{ "schema_version": "sec-filing-inventory-2.0", "retrieval_date": "2026-08-06", "as_of_date": "2026-08-06", "issuer_name": "COSTCO WHOLESALE CORP /NEW", "cik": "0000909832", "ticker": null, "regime": "us-domestic", "source": "SEC EDGAR", "submissions_url": "https://data.sec.gov/submissions/CIK0000909832.json", "continuation_files": [ { "name": "CIK0000909832-submissions-001.json", "status": "loaded", "row_count": 1707 } ], "inventory_row_count": 2711, "required_family_inventory_count": 2120, "selected_filing_count": 62, "reading_window_filing_count": 62, "download_mode": "primary", "requested_forms": [ "10-K", "10-Q", "8-K", "Form 4" ], "max_filings": 150, "all_history_requested": false, "dry_run": false, "form_coverage": { "10-K": { "attempted": true, "lookback": "1 years from 2026-08-06", "available_all_history": 27, "indexed": 27, "in_reading_window": 1, "selected_for_download": 1, "downloaded": 1, "read": 0, "read_excluded": 0, "excluded": 26, "amendments": 3, "absence_verified": false, "exclusion_reasons": [ "Outside the selected archive window; rerun with --all-history" ], "reading_exclusion_reasons": [], "limited_by_max_filings": 0 }, "10-Q": { "attempted": true, "lookback": "1 years from 2026-08-06", "available_all_history": 82, "indexed": 82, "in_reading_window": 3, "selected_for_download": 3, "downloaded": 3, "read": 0, "read_excluded": 0, "excluded": 79, "amendments": 3, "absence_verified": false, "exclusion_reasons": [ "Outside the selected archive window; rerun with --all-history" ], "reading_exclusion_reasons": [], "limited_by_max_filings": 0 }, "8-K": { "attempted": true, "lookback": "1 years from 2026-08-06", "available_all_history": 262, "indexed": 262, "in_reading_window": 10, "selected_for_download": 10, "downloaded": 10, "read": 0, "read_excluded": 0, "excluded": 252, "amendments": 7, "absence_verified": false, "exclusion_reasons": [ "Outside the selected archive window; rerun with --all-history" ], "reading_exclusion_reasons": [], "limited_by_max_filings": 0 }, "Form 4": { "attempted": true, "lookback": "1 years from 2026-08-06", "available_all_history": 1749, "indexed": 1749, "in_reading_window": 48, "selected_for_download": 48, "downloaded": 0, "read": 0, "read_excluded": 0, "excluded": 1701, "amendments": 122, "absence_verified": false, "exclusion_reasons": [ "Outside the selected archive window; rerun with --all-history" ], "reading_exclusion_reasons": [], "limited_by_max_filings": 0 } }, "sec_filing_inventory": { "cik": "0000909832", "filer_status": "us-domestic", "inventory_complete": true, "all_available_history_inventoried": true, "full_history_inventoried": true, "continuation_files_checked": true, "all_required_form_filings_downloaded_or_excluded": false, "material_exhibits_accounted_for": false, "coverage_start": "2000-06-14", "coverage_end": "2026-07-14", "reading_window_start": "2025-08-06", "reading_window_end": "2026-08-06", "forms": { "10-K": { "attempted": true, "lookback": "1 years from 2026-08-06", "available_all_history": 27, "indexed": 27, "in_reading_window": 1, "selected_for_download": 1, "downloaded": 1, "read": 0, "read_excluded": 0, "excluded": 26, "amendments": 3, "absence_verified": false, "exclusion_reasons": [ "Outside the selected archive window; rerun with --all-history" ], "reading_exclusion_reasons": [], "limited_by_max_filings": 0 }, "10-Q": { "attempted": true, "lookback": "1 years from 2026-08-06", "available_all_history": 82, "indexed": 82, "in_reading_window": 3, "selected_for_download": 3, "downloaded": 3, "read": 0, "read_excluded": 0, "excluded": 79, "amendments": 3, "absence_verified": false, "exclusion_reasons": [ "Outside the selected archive window; rerun with --all-history" ], "reading_exclusion_reasons": [], "limited_by_max_filings": 0 }, "8-K": { "attempted": true, "lookback": "1 years from 2026-08-06", "available_all_history": 262, "indexed": 262, "in_reading_window": 10, "selected_for_download": 10, "downloaded": 10, "read": 0, "read_excluded": 0, "excluded": 252, "amendments": 7, "absence_verified": false, "exclusion_reasons": [ "Outside the selected archive window; rerun with --all-history" ], "reading_exclusion_reasons": [], "limited_by_max_filings": 0 }, "Form 4": { "attempted": true, "lookback": "1 years from 2026-08-06", "available_all_history": 1749, "indexed": 1749, "in_reading_window": 48, "selected_for_download": 48, "downloaded": 0, "read": 0, "read_excluded": 0, "excluded": 1701, "amendments": 122, "absence_verified": false, "exclusion_reasons": [ "Outside the selected archive window; rerun with --all-history" ], "reading_exclusion_reasons": [], "limited_by_max_filings": 0 } } }, "source_coverage_document_rows_template": [ { "document_id": "0000909832-26-000062", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-07-10", "filing_date": "2026-07-14", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000062/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000060", "document_type": "8-K", "form_type": "8-K", "period": "2026-07-07", "filing_date": "2026-07-08", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000060/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000053", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-06-23", "filing_date": "2026-06-25", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000053/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000051", "document_type": "10-Q", "form_type": "10-Q", "period": "2026-05-10", "filing_date": "2026-06-03", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000051/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000046", "document_type": "8-K", "form_type": "8-K", "period": "2026-05-28", "filing_date": "2026-05-28", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000046/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000041", "document_type": "8-K", "form_type": "8-K", "period": "2026-04-15", "filing_date": "2026-04-15", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000041/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000039", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-04-01", "filing_date": "2026-04-01", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000039/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000035", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-03-12", "filing_date": "2026-03-13", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000035/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000033", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-03-11", "filing_date": "2026-03-13", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000033/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000029", "document_type": "10-Q", "form_type": "10-Q", "period": "2026-02-15", "filing_date": "2026-03-11", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000029/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000028", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-03-09", "filing_date": "2026-03-11", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000028/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000025", "document_type": "8-K", "form_type": "8-K", "period": "2026-03-05", "filing_date": "2026-03-05", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000025/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000022", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-01-27", "filing_date": "2026-01-28", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000022/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000020", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-01-27", "filing_date": "2026-01-28", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000020/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000018", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-01-21", "filing_date": "2026-01-23", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000018/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000016", "document_type": "8-K", "form_type": "8-K", "period": "2026-01-15", "filing_date": "2026-01-21", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000016/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000012", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-01-16", "filing_date": "2026-01-20", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000012/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000010", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-01-16", "filing_date": "2026-01-20", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000010/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000006", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-01-14", "filing_date": "2026-01-15", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000006/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-26-000004", "document_type": "Form 4", "form_type": "Form 4", "period": "2026-01-09", "filing_date": "2026-01-12", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000004/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000173", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-12-29", "filing_date": "2025-12-31", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000173/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000171", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-12-19", "filing_date": "2025-12-22", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000171/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000169", "document_type": "10-Q", "form_type": "10-Q", "period": "2025-11-23", "filing_date": "2025-12-17", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000169/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000167", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-12-15", "filing_date": "2025-12-17", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000167/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000164", "document_type": "8-K", "form_type": "8-K", "period": "2025-12-11", "filing_date": "2025-12-11", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000164/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000148", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-11-10", "filing_date": "2025-11-12", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000148/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000146", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-11-07", "filing_date": "2025-11-12", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000146/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000144", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000144/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000142", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000142/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000140", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000140/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000137", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000137/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000134", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000134/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000132", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000132/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000130", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000130/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000128", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000128/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000126", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000126/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000124", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000124/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000122", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000122/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000120", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000120/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000118", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000118/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000116", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000116/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000114", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000114/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000111", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000111/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000109", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-10-22", "filing_date": "2025-10-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000109/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000107", "document_type": "8-K", "form_type": "8-K", "period": "2025-10-14", "filing_date": "2025-10-20", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000107/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000105", "document_type": "8-K", "form_type": "8-K", "period": "2025-10-15", "filing_date": "2025-10-15", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000105/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000101", "document_type": "10-K", "form_type": "10-K", "period": "2025-08-31", "filing_date": "2025-10-08", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000101/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000097", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-09-29", "filing_date": "2025-10-01", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000097/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000095", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-09-29", "filing_date": "2025-09-30", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000095/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000093", "document_type": "8-K", "form_type": "8-K", "period": "2025-09-25", "filing_date": "2025-09-25", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000093/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000090", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-09-23", "filing_date": "2025-09-24", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000090/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000087", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-09-10", "filing_date": "2025-09-12", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000087/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000085", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-09-10", "filing_date": "2025-09-12", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000085/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000083", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-09-10", "filing_date": "2025-09-12", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000083/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000080", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-09-10", "filing_date": "2025-09-12", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000080/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000078", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-09-10", "filing_date": "2025-09-12", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000078/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000076", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-09-10", "filing_date": "2025-09-12", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000076/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000074", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-09-10", "filing_date": "2025-09-12", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000074/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000072", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-09-10", "filing_date": "2025-09-12", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000072/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000070", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-09-02", "filing_date": "2025-09-04", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000070/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000066", "document_type": "Form 4", "form_type": "Form 4", "period": "2025-08-20", "filing_date": "2025-08-22", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000066/", "access_date": "2026-08-06", "retrieval_status": "retrieved", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" }, { "document_id": "0000909832-25-000064", "document_type": "8-K", "form_type": "8-K", "period": "2025-08-04", "filing_date": "2025-08-07", "source": "SEC EDGAR", "source_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000064/", "access_date": "2026-08-06", "retrieval_status": "downloaded", "read_status": "not_read", "in_reading_window": true, "used_in_analysis": false, "official_filing_reviewed": false, "filing_index_retrieved": true, "material_exhibits_reviewed": false, "primary_source": true, "fallback_reason": null, "location_coverage": "Not read; update after complete review" } ], "selected_filings": [ { "accessionNumber": "0000909832-26-000062", "filingDate": "2026-07-14", "reportDate": "2026-07-10", "acceptanceDateTime": "2026-07-14T20:14:16.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4669, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": 0, "primaryDocument": "xslF345X06/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000060", "filingDate": "2026-07-08", "reportDate": "2026-07-07", "acceptanceDateTime": "2026-07-08T20:18:27.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "261162593", "items": "8.01,9.01", "core_type": "XBRL", "size": 174653, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": 0, "primaryDocument": "cost-20260707.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-26-000053", "filingDate": "2026-06-25", "reportDate": "2026-06-23", "acceptanceDateTime": "2026-06-25T20:12:30.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4909, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": 0, "primaryDocument": "xslF345X06/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000051", "filingDate": "2026-06-03", "reportDate": "2026-05-10", "acceptanceDateTime": "2026-06-03T20:43:00.000Z", "act": "34", "form": "10-Q", "fileNumber": "000-20355", "filmNumber": "261061471", "items": "", "core_type": "XBRL", "size": 5058262, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": 1, "primaryDocument": "cost-20260510.htm", "primaryDocDescription": "10-Q", "family": "10-Q" }, { "accessionNumber": "0000909832-26-000046", "filingDate": "2026-05-28", "reportDate": "2026-05-28", "acceptanceDateTime": "2026-05-28T20:17:32.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "261036111", "items": "2.02,9.01", "core_type": "XBRL", "size": 1799595, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": 0, "primaryDocument": "cost-20260528.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-26-000041", "filingDate": "2026-04-15", "reportDate": "2026-04-15", "acceptanceDateTime": "2026-04-15T20:16:27.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "26864346", "items": "8.01,9.01", "core_type": "XBRL", "size": 159339, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": 0, "primaryDocument": "cost-20260415.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-26-000039", "filingDate": "2026-04-01", "reportDate": "2026-04-01", "acceptanceDateTime": "2026-04-01T22:13:26.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4541, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X06/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000035", "filingDate": "2026-03-13", "reportDate": "2026-03-12", "acceptanceDateTime": "2026-03-13T20:12:33.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 5508, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000033", "filingDate": "2026-03-13", "reportDate": "2026-03-11", "acceptanceDateTime": "2026-03-13T20:10:05.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4734, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000029", "filingDate": "2026-03-11", "reportDate": "2026-02-15", "acceptanceDateTime": "2026-03-11T20:37:54.000Z", "act": "34", "form": "10-Q", "fileNumber": "000-20355", "filmNumber": "26743969", "items": "", "core_type": "XBRL", "size": 4958310, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20260215.htm", "primaryDocDescription": "10-Q", "family": "10-Q" }, { "accessionNumber": "0000909832-26-000028", "filingDate": "2026-03-11", "reportDate": "2026-03-09", "acceptanceDateTime": "2026-03-11T20:08:32.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4410, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000025", "filingDate": "2026-03-05", "reportDate": "2026-03-05", "acceptanceDateTime": "2026-03-05T21:19:07.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "26726404", "items": "2.02,9.01", "core_type": "XBRL", "size": 1795476, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20260305.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-26-000022", "filingDate": "2026-01-28", "reportDate": "2026-01-27", "acceptanceDateTime": "2026-01-28T23:46:11.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4529, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000020", "filingDate": "2026-01-28", "reportDate": "2026-01-27", "acceptanceDateTime": "2026-01-28T23:43:58.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4523, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000018", "filingDate": "2026-01-23", "reportDate": "2026-01-21", "acceptanceDateTime": "2026-01-23T21:53:38.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4835, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000016", "filingDate": "2026-01-21", "reportDate": "2026-01-15", "acceptanceDateTime": "2026-01-21T21:16:10.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "26547999", "items": "5.07,8.01", "core_type": "XBRL", "size": 184182, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20260115.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-26-000012", "filingDate": "2026-01-20", "reportDate": "2026-01-16", "acceptanceDateTime": "2026-01-20T21:15:47.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4384, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000010", "filingDate": "2026-01-20", "reportDate": "2026-01-16", "acceptanceDateTime": "2026-01-20T21:12:35.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4692, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000006", "filingDate": "2026-01-15", "reportDate": "2026-01-14", "acceptanceDateTime": "2026-01-15T21:27:15.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 5095, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000004", "filingDate": "2026-01-12", "reportDate": "2026-01-09", "acceptanceDateTime": "2026-01-12T21:36:30.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 5109, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000173", "filingDate": "2025-12-31", "reportDate": "2025-12-29", "acceptanceDateTime": "2025-12-31T21:59:30.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 6305, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000171", "filingDate": "2025-12-22", "reportDate": "2025-12-19", "acceptanceDateTime": "2025-12-22T21:36:38.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4465, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000169", "filingDate": "2025-12-17", "reportDate": "2025-11-23", "acceptanceDateTime": "2025-12-17T22:12:42.000Z", "act": "34", "form": "10-Q", "fileNumber": "000-20355", "filmNumber": "251580183", "items": "", "core_type": "XBRL", "size": 4717162, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20251123.htm", "primaryDocDescription": "10-Q", "family": "10-Q" }, { "accessionNumber": "0000909832-25-000167", "filingDate": "2025-12-17", "reportDate": "2025-12-15", "acceptanceDateTime": "2025-12-17T21:30:39.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4381, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000164", "filingDate": "2025-12-11", "reportDate": "2025-12-11", "acceptanceDateTime": "2025-12-11T21:22:04.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "251565268", "items": "2.02,9.01", "core_type": "XBRL", "size": 1759936, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20251211.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-25-000148", "filingDate": "2025-11-12", "reportDate": "2025-11-10", "acceptanceDateTime": "2025-11-12T22:47:27.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4535, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000146", "filingDate": "2025-11-12", "reportDate": "2025-11-07", "acceptanceDateTime": "2025-11-12T22:45:23.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4790, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000144", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:50:45.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 15248, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000142", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:32:57.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 14573, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000140", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:30:50.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 19081, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000137", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:27:54.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 16021, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000134", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:23:44.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 14497, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000132", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:20:07.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 11306, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000130", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:17:55.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 10612, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000128", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:14:20.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 10627, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000126", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:12:12.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12044, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000124", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:32:32.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12379, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000122", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:24:20.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12127, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000120", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:21:56.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 11072, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000118", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:17:47.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 11012, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000116", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:16:06.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 13833, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000114", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:14:12.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12370, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000111", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:09:53.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 10996, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000109", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:02:45.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 11032, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000107", "filingDate": "2025-10-20", "reportDate": "2025-10-14", "acceptanceDateTime": "2025-10-20T21:00:26.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "251404501", "items": "5.02,9.01", "core_type": "XBRL", "size": 143347, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20251014.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-25-000105", "filingDate": "2025-10-15", "reportDate": "2025-10-15", "acceptanceDateTime": "2025-10-15T20:30:30.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "251395159", "items": "8.01,9.01", "core_type": "XBRL", "size": 158919, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20251015.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-25-000101", "filingDate": "2025-10-08", "reportDate": "2025-08-31", "acceptanceDateTime": "2025-10-08T01:16:06.000Z", "act": "34", "form": "10-K", "fileNumber": "000-20355", "filmNumber": "251381129", "items": "", "core_type": "XBRL", "size": 8258764, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20250831.htm", "primaryDocDescription": "10-K", "family": "10-K" }, { "accessionNumber": "0000909832-25-000097", "filingDate": "2025-10-01", "reportDate": "2025-09-29", "acceptanceDateTime": "2025-10-01T21:00:25.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 5373, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000095", "filingDate": "2025-09-30", "reportDate": "2025-09-29", "acceptanceDateTime": "2025-09-30T20:54:13.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4406, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000093", "filingDate": "2025-09-25", "reportDate": "2025-09-25", "acceptanceDateTime": "2025-09-25T20:16:57.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "251343965", "items": "2.02,9.01", "core_type": "XBRL", "size": 1767075, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20250925.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-25-000090", "filingDate": "2025-09-24", "reportDate": "2025-09-23", "acceptanceDateTime": "2025-09-24T20:17:02.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 5957, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000087", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:56:14.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12985, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000085", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:53:49.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12882, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000083", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:51:16.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 13593, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000080", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:45:57.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 13577, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000078", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:43:19.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12892, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000076", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:40:31.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12886, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000074", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:36:45.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 13271, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000072", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:33:41.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12893, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000070", "filingDate": "2025-09-04", "reportDate": "2025-09-02", "acceptanceDateTime": "2025-09-04T20:24:15.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 7016, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000066", "filingDate": "2025-08-22", "reportDate": "2025-08-20", "acceptanceDateTime": "2025-08-22T21:26:08.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4566, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000064", "filingDate": "2025-08-07", "reportDate": "2025-08-04", "acceptanceDateTime": "2025-08-07T20:35:32.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "251194774", "items": "5.02", "core_type": "XBRL", "size": 135308, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20250804.htm", "primaryDocDescription": "8-K", "family": "8-K" } ], "reading_window_filings": [ { "accessionNumber": "0000909832-26-000062", "filingDate": "2026-07-14", "reportDate": "2026-07-10", "acceptanceDateTime": "2026-07-14T20:14:16.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4669, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": 0, "primaryDocument": "xslF345X06/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000060", "filingDate": "2026-07-08", "reportDate": "2026-07-07", "acceptanceDateTime": "2026-07-08T20:18:27.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "261162593", "items": "8.01,9.01", "core_type": "XBRL", "size": 174653, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": 0, "primaryDocument": "cost-20260707.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-26-000053", "filingDate": "2026-06-25", "reportDate": "2026-06-23", "acceptanceDateTime": "2026-06-25T20:12:30.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4909, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": 0, "primaryDocument": "xslF345X06/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000051", "filingDate": "2026-06-03", "reportDate": "2026-05-10", "acceptanceDateTime": "2026-06-03T20:43:00.000Z", "act": "34", "form": "10-Q", "fileNumber": "000-20355", "filmNumber": "261061471", "items": "", "core_type": "XBRL", "size": 5058262, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": 1, "primaryDocument": "cost-20260510.htm", "primaryDocDescription": "10-Q", "family": "10-Q" }, { "accessionNumber": "0000909832-26-000046", "filingDate": "2026-05-28", "reportDate": "2026-05-28", "acceptanceDateTime": "2026-05-28T20:17:32.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "261036111", "items": "2.02,9.01", "core_type": "XBRL", "size": 1799595, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": 0, "primaryDocument": "cost-20260528.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-26-000041", "filingDate": "2026-04-15", "reportDate": "2026-04-15", "acceptanceDateTime": "2026-04-15T20:16:27.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "26864346", "items": "8.01,9.01", "core_type": "XBRL", "size": 159339, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": 0, "primaryDocument": "cost-20260415.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-26-000039", "filingDate": "2026-04-01", "reportDate": "2026-04-01", "acceptanceDateTime": "2026-04-01T22:13:26.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4541, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X06/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000035", "filingDate": "2026-03-13", "reportDate": "2026-03-12", "acceptanceDateTime": "2026-03-13T20:12:33.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 5508, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000033", "filingDate": "2026-03-13", "reportDate": "2026-03-11", "acceptanceDateTime": "2026-03-13T20:10:05.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4734, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000029", "filingDate": "2026-03-11", "reportDate": "2026-02-15", "acceptanceDateTime": "2026-03-11T20:37:54.000Z", "act": "34", "form": "10-Q", "fileNumber": "000-20355", "filmNumber": "26743969", "items": "", "core_type": "XBRL", "size": 4958310, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20260215.htm", "primaryDocDescription": "10-Q", "family": "10-Q" }, { "accessionNumber": "0000909832-26-000028", "filingDate": "2026-03-11", "reportDate": "2026-03-09", "acceptanceDateTime": "2026-03-11T20:08:32.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4410, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000025", "filingDate": "2026-03-05", "reportDate": "2026-03-05", "acceptanceDateTime": "2026-03-05T21:19:07.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "26726404", "items": "2.02,9.01", "core_type": "XBRL", "size": 1795476, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20260305.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-26-000022", "filingDate": "2026-01-28", "reportDate": "2026-01-27", "acceptanceDateTime": "2026-01-28T23:46:11.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4529, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000020", "filingDate": "2026-01-28", "reportDate": "2026-01-27", "acceptanceDateTime": "2026-01-28T23:43:58.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4523, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000018", "filingDate": "2026-01-23", "reportDate": "2026-01-21", "acceptanceDateTime": "2026-01-23T21:53:38.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4835, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000016", "filingDate": "2026-01-21", "reportDate": "2026-01-15", "acceptanceDateTime": "2026-01-21T21:16:10.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "26547999", "items": "5.07,8.01", "core_type": "XBRL", "size": 184182, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20260115.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-26-000012", "filingDate": "2026-01-20", "reportDate": "2026-01-16", "acceptanceDateTime": "2026-01-20T21:15:47.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4384, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000010", "filingDate": "2026-01-20", "reportDate": "2026-01-16", "acceptanceDateTime": "2026-01-20T21:12:35.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4692, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000006", "filingDate": "2026-01-15", "reportDate": "2026-01-14", "acceptanceDateTime": "2026-01-15T21:27:15.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 5095, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-26-000004", "filingDate": "2026-01-12", "reportDate": "2026-01-09", "acceptanceDateTime": "2026-01-12T21:36:30.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 5109, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000173", "filingDate": "2025-12-31", "reportDate": "2025-12-29", "acceptanceDateTime": "2025-12-31T21:59:30.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 6305, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000171", "filingDate": "2025-12-22", "reportDate": "2025-12-19", "acceptanceDateTime": "2025-12-22T21:36:38.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4465, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000169", "filingDate": "2025-12-17", "reportDate": "2025-11-23", "acceptanceDateTime": "2025-12-17T22:12:42.000Z", "act": "34", "form": "10-Q", "fileNumber": "000-20355", "filmNumber": "251580183", "items": "", "core_type": "XBRL", "size": 4717162, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20251123.htm", "primaryDocDescription": "10-Q", "family": "10-Q" }, { "accessionNumber": "0000909832-25-000167", "filingDate": "2025-12-17", "reportDate": "2025-12-15", "acceptanceDateTime": "2025-12-17T21:30:39.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4381, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000164", "filingDate": "2025-12-11", "reportDate": "2025-12-11", "acceptanceDateTime": "2025-12-11T21:22:04.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "251565268", "items": "2.02,9.01", "core_type": "XBRL", "size": 1759936, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20251211.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-25-000148", "filingDate": "2025-11-12", "reportDate": "2025-11-10", "acceptanceDateTime": "2025-11-12T22:47:27.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4535, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000146", "filingDate": "2025-11-12", "reportDate": "2025-11-07", "acceptanceDateTime": "2025-11-12T22:45:23.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4790, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000144", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:50:45.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 15248, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000142", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:32:57.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 14573, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000140", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:30:50.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 19081, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000137", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:27:54.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 16021, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000134", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:23:44.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 14497, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000132", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:20:07.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 11306, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000130", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:17:55.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 10612, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000128", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:14:20.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 10627, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000126", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T23:12:12.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12044, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000124", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:32:32.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12379, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000122", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:24:20.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12127, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000120", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:21:56.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 11072, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000118", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:17:47.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 11012, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000116", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:16:06.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 13833, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000114", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:14:12.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12370, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000111", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:09:53.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 10996, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000109", "filingDate": "2025-10-24", "reportDate": "2025-10-22", "acceptanceDateTime": "2025-10-24T22:02:45.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 11032, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000107", "filingDate": "2025-10-20", "reportDate": "2025-10-14", "acceptanceDateTime": "2025-10-20T21:00:26.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "251404501", "items": "5.02,9.01", "core_type": "XBRL", "size": 143347, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20251014.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-25-000105", "filingDate": "2025-10-15", "reportDate": "2025-10-15", "acceptanceDateTime": "2025-10-15T20:30:30.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "251395159", "items": "8.01,9.01", "core_type": "XBRL", "size": 158919, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20251015.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-25-000101", "filingDate": "2025-10-08", "reportDate": "2025-08-31", "acceptanceDateTime": "2025-10-08T01:16:06.000Z", "act": "34", "form": "10-K", "fileNumber": "000-20355", "filmNumber": "251381129", "items": "", "core_type": "XBRL", "size": 8258764, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20250831.htm", "primaryDocDescription": "10-K", "family": "10-K" }, { "accessionNumber": "0000909832-25-000097", "filingDate": "2025-10-01", "reportDate": "2025-09-29", "acceptanceDateTime": "2025-10-01T21:00:25.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 5373, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000095", "filingDate": "2025-09-30", "reportDate": "2025-09-29", "acceptanceDateTime": "2025-09-30T20:54:13.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4406, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000093", "filingDate": "2025-09-25", "reportDate": "2025-09-25", "acceptanceDateTime": "2025-09-25T20:16:57.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "251343965", "items": "2.02,9.01", "core_type": "XBRL", "size": 1767075, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20250925.htm", "primaryDocDescription": "8-K", "family": "8-K" }, { "accessionNumber": "0000909832-25-000090", "filingDate": "2025-09-24", "reportDate": "2025-09-23", "acceptanceDateTime": "2025-09-24T20:17:02.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 5957, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000087", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:56:14.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12985, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000085", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:53:49.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12882, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000083", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:51:16.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 13593, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000080", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:45:57.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 13577, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000078", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:43:19.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12892, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000076", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:40:31.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12886, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000074", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:36:45.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 13271, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000072", "filingDate": "2025-09-12", "reportDate": "2025-09-10", "acceptanceDateTime": "2025-09-12T21:33:41.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 12893, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000070", "filingDate": "2025-09-04", "reportDate": "2025-09-02", "acceptanceDateTime": "2025-09-04T20:24:15.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 7016, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000066", "filingDate": "2025-08-22", "reportDate": "2025-08-20", "acceptanceDateTime": "2025-08-22T21:26:08.000Z", "act": "", "form": "4", "fileNumber": "", "filmNumber": "", "items": "", "core_type": "4", "size": 4566, "isXBRL": 0, "isInlineXBRL": 0, "isXBRLNumeric": null, "primaryDocument": "xslF345X05/form4.xml", "primaryDocDescription": "PRIMARY DOCUMENT", "family": "Form 4" }, { "accessionNumber": "0000909832-25-000064", "filingDate": "2025-08-07", "reportDate": "2025-08-04", "acceptanceDateTime": "2025-08-07T20:35:32.000Z", "act": "34", "form": "8-K", "fileNumber": "000-20355", "filmNumber": "251194774", "items": "5.02", "core_type": "XBRL", "size": 135308, "isXBRL": 1, "isInlineXBRL": 1, "isXBRLNumeric": null, "primaryDocument": "cost-20250804.htm", "primaryDocDescription": "8-K", "family": "8-K" } ], "archived_filings": [ { "accession_number": "0000909832-26-000062", "form": "4", "family": "Form 4", "filing_date": "2026-07-14", "report_date": "2026-07-10", "primary_document": "xslF345X06/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000062/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000062/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-07-14_4_000090983226000062", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-26-000060", "form": "8-K", "family": "8-K", "filing_date": "2026-07-08", "report_date": "2026-07-07", "primary_document": "cost-20260707.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000060/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000060/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-07-08_8-K_000090983226000060", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20260707.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000060/cost-20260707.htm", "status": "retrieved", "cache_status": "downloaded", "size": 22525, "sha256": "eea1f69f9b08492733f0dd891f8bababe6f130ef9731320ca808c0a767629423", "content_type": "text/html" } ] }, { "accession_number": "0000909832-26-000053", "form": "4", "family": "Form 4", "filing_date": "2026-06-25", "report_date": "2026-06-23", "primary_document": "xslF345X06/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000053/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000053/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-06-25_4_000090983226000053", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-26-000051", "form": "10-Q", "family": "10-Q", "filing_date": "2026-06-03", "report_date": "2026-05-10", "primary_document": "cost-20260510.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000051/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000051/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-06-03_10-Q_000090983226000051", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20260510.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000051/cost-20260510.htm", "status": "retrieved", "cache_status": "downloaded", "size": 897626, "sha256": "14ecc7f63923d938cccec04db33e90f86b2270dd7a09a68f891f06c6337ed624", "content_type": "text/html" } ] }, { "accession_number": "0000909832-26-000046", "form": "8-K", "family": "8-K", "filing_date": "2026-05-28", "report_date": "2026-05-28", "primary_document": "cost-20260528.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000046/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000046/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-05-28_8-K_000090983226000046", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20260528.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000046/cost-20260528.htm", "status": "retrieved", "cache_status": "downloaded", "size": 23222, "sha256": "c2c91d31c1afa56a1cd61a38171287bf8be61b9a8aa44e4326ece285982943cc", "content_type": "text/html" } ] }, { "accession_number": "0000909832-26-000041", "form": "8-K", "family": "8-K", "filing_date": "2026-04-15", "report_date": "2026-04-15", "primary_document": "cost-20260415.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000041/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000041/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-04-15_8-K_000090983226000041", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20260415.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000041/cost-20260415.htm", "status": "retrieved", "cache_status": "downloaded", "size": 22604, "sha256": "b690e3904b40117ac5d672c6cbeb19f6e30419561a45441b4173cdcd16a7e914", "content_type": "text/html" } ] }, { "accession_number": "0000909832-26-000039", "form": "4", "family": "Form 4", "filing_date": "2026-04-01", "report_date": "2026-04-01", "primary_document": "xslF345X06/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000039/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000039/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-04-01_4_000090983226000039", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-26-000035", "form": "4", "family": "Form 4", "filing_date": "2026-03-13", "report_date": "2026-03-12", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000035/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000035/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-03-13_4_000090983226000035", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-26-000033", "form": "4", "family": "Form 4", "filing_date": "2026-03-13", "report_date": "2026-03-11", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000033/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000033/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-03-13_4_000090983226000033", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-26-000029", "form": "10-Q", "family": "10-Q", "filing_date": "2026-03-11", "report_date": "2026-02-15", "primary_document": "cost-20260215.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000029/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000029/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-03-11_10-Q_000090983226000029", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20260215.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000029/cost-20260215.htm", "status": "retrieved", "cache_status": "downloaded", "size": 890227, "sha256": "e05a56f3d0b4b1227c3a3f10f3db37e5c0e92f704f4ec1b1e314eeb50ea2c3f7", "content_type": "text/html" } ] }, { "accession_number": "0000909832-26-000028", "form": "4", "family": "Form 4", "filing_date": "2026-03-11", "report_date": "2026-03-09", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000028/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000028/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-03-11_4_000090983226000028", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-26-000025", "form": "8-K", "family": "8-K", "filing_date": "2026-03-05", "report_date": "2026-03-05", "primary_document": "cost-20260305.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000025/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000025/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-03-05_8-K_000090983226000025", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20260305.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000025/cost-20260305.htm", "status": "retrieved", "cache_status": "downloaded", "size": 23290, "sha256": "f51ce95e989199fbd5e75a94fba5a52a4cc25e12e7fa49e59b533db80b4570b7", "content_type": "text/html" } ] }, { "accession_number": "0000909832-26-000022", "form": "4", "family": "Form 4", "filing_date": "2026-01-28", "report_date": "2026-01-27", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000022/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000022/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-01-28_4_000090983226000022", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-26-000020", "form": "4", "family": "Form 4", "filing_date": "2026-01-28", "report_date": "2026-01-27", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000020/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000020/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-01-28_4_000090983226000020", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-26-000018", "form": "4", "family": "Form 4", "filing_date": "2026-01-23", "report_date": "2026-01-21", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000018/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000018/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-01-23_4_000090983226000018", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-26-000016", "form": "8-K", "family": "8-K", "filing_date": "2026-01-21", "report_date": "2026-01-15", "primary_document": "cost-20260115.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000016/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000016/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-01-21_8-K_000090983226000016", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20260115.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000016/cost-20260115.htm", "status": "retrieved", "cache_status": "downloaded", "size": 45760, "sha256": "4de8e2a8935abcaa6c41851acf31668d4d654c5aefe7692fb008ec8714260e41", "content_type": "text/html" } ] }, { "accession_number": "0000909832-26-000012", "form": "4", "family": "Form 4", "filing_date": "2026-01-20", "report_date": "2026-01-16", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000012/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000012/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-01-20_4_000090983226000012", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-26-000010", "form": "4", "family": "Form 4", "filing_date": "2026-01-20", "report_date": "2026-01-16", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000010/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000010/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-01-20_4_000090983226000010", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-26-000006", "form": "4", "family": "Form 4", "filing_date": "2026-01-15", "report_date": "2026-01-14", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000006/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000006/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-01-15_4_000090983226000006", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-26-000004", "form": "4", "family": "Form 4", "filing_date": "2026-01-12", "report_date": "2026-01-09", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000004/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983226000004/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2026-01-12_4_000090983226000004", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000173", "form": "4", "family": "Form 4", "filing_date": "2025-12-31", "report_date": "2025-12-29", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000173/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000173/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-12-31_4_000090983225000173", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000171", "form": "4", "family": "Form 4", "filing_date": "2025-12-22", "report_date": "2025-12-19", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000171/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000171/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-12-22_4_000090983225000171", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000169", "form": "10-Q", "family": "10-Q", "filing_date": "2025-12-17", "report_date": "2025-11-23", "primary_document": "cost-20251123.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000169/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000169/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-12-17_10-Q_000090983225000169", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20251123.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000169/cost-20251123.htm", "status": "retrieved", "cache_status": "downloaded", "size": 684049, "sha256": "472935d8eceebdadc6abc2a9791539945c7111677f92a91d65f0c814336dc81d", "content_type": "text/html" } ] }, { "accession_number": "0000909832-25-000167", "form": "4", "family": "Form 4", "filing_date": "2025-12-17", "report_date": "2025-12-15", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000167/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000167/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-12-17_4_000090983225000167", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000164", "form": "8-K", "family": "8-K", "filing_date": "2025-12-11", "report_date": "2025-12-11", "primary_document": "cost-20251211.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000164/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000164/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-12-11_8-K_000090983225000164", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20251211.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000164/cost-20251211.htm", "status": "retrieved", "cache_status": "downloaded", "size": 23207, "sha256": "6062bd65ffadd2f62e5d617ccc05abb50d65b23dcb0a30f3b652af77659dffc8", "content_type": "text/html" } ] }, { "accession_number": "0000909832-25-000148", "form": "4", "family": "Form 4", "filing_date": "2025-11-12", "report_date": "2025-11-10", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000148/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000148/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-11-12_4_000090983225000148", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000146", "form": "4", "family": "Form 4", "filing_date": "2025-11-12", "report_date": "2025-11-07", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000146/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000146/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-11-12_4_000090983225000146", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000144", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000144/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000144/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000144", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000142", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000142/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000142/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000142", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000140", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000140/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000140/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000140", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000137", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000137/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000137/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000137", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000134", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000134/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000134/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000134", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000132", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000132/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000132/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000132", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000130", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000130/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000130/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000130", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000128", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000128/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000128/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000128", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000126", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000126/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000126/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000126", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000124", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000124/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000124/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000124", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000122", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000122/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000122/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000122", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000120", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000120/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000120/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000120", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000118", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000118/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000118/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000118", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000116", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000116/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000116/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000116", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000114", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000114/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000114/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000114", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000111", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000111/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000111/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000111", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000109", "form": "4", "family": "Form 4", "filing_date": "2025-10-24", "report_date": "2025-10-22", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000109/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000109/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-24_4_000090983225000109", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000107", "form": "8-K", "family": "8-K", "filing_date": "2025-10-20", "report_date": "2025-10-14", "primary_document": "cost-20251014.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000107/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000107/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-20_8-K_000090983225000107", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20251014.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000107/cost-20251014.htm", "status": "retrieved", "cache_status": "downloaded", "size": 24236, "sha256": "097428d4ed12ca0dcf04952b0a4ab9169acfea729e3bb17ba846e54b384f8334", "content_type": "text/html" } ] }, { "accession_number": "0000909832-25-000105", "form": "8-K", "family": "8-K", "filing_date": "2025-10-15", "report_date": "2025-10-15", "primary_document": "cost-20251015.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000105/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000105/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-15_8-K_000090983225000105", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20251015.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000105/cost-20251015.htm", "status": "retrieved", "cache_status": "downloaded", "size": 22446, "sha256": "4218b7ce873f72673f750aab0a0b8f378d849c950f62c7c009b5a9136efc08b6", "content_type": "text/html" } ] }, { "accession_number": "0000909832-25-000101", "form": "10-K", "family": "10-K", "filing_date": "2025-10-08", "report_date": "2025-08-31", "primary_document": "cost-20250831.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000101/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000101/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-08_10-K_000090983225000101", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20250831.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000101/cost-20250831.htm", "status": "retrieved", "cache_status": "downloaded", "size": 1438962, "sha256": "2cf71f4336c8f36b008a584403551d95ab3b7e4addc9179a99b62029810f7c9a", "content_type": "text/html" } ] }, { "accession_number": "0000909832-25-000097", "form": "4", "family": "Form 4", "filing_date": "2025-10-01", "report_date": "2025-09-29", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000097/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000097/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-10-01_4_000090983225000097", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000095", "form": "4", "family": "Form 4", "filing_date": "2025-09-30", "report_date": "2025-09-29", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000095/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000095/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-09-30_4_000090983225000095", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000093", "form": "8-K", "family": "8-K", "filing_date": "2025-09-25", "report_date": "2025-09-25", "primary_document": "cost-20250925.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000093/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000093/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-09-25_8-K_000090983225000093", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20250925.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000093/cost-20250925.htm", "status": "retrieved", "cache_status": "downloaded", "size": 23271, "sha256": "3831ce0e0252da60c8aa7d1a62807a360be0f79bd6ae97d3adce1c15218f5263", "content_type": "text/html" } ] }, { "accession_number": "0000909832-25-000090", "form": "4", "family": "Form 4", "filing_date": "2025-09-24", "report_date": "2025-09-23", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000090/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000090/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-09-24_4_000090983225000090", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000087", "form": "4", "family": "Form 4", "filing_date": "2025-09-12", "report_date": "2025-09-10", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000087/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000087/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-09-12_4_000090983225000087", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000085", "form": "4", "family": "Form 4", "filing_date": "2025-09-12", "report_date": "2025-09-10", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000085/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000085/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-09-12_4_000090983225000085", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000083", "form": "4", "family": "Form 4", "filing_date": "2025-09-12", "report_date": "2025-09-10", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000083/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000083/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-09-12_4_000090983225000083", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000080", "form": "4", "family": "Form 4", "filing_date": "2025-09-12", "report_date": "2025-09-10", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000080/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000080/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-09-12_4_000090983225000080", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000078", "form": "4", "family": "Form 4", "filing_date": "2025-09-12", "report_date": "2025-09-10", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000078/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000078/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-09-12_4_000090983225000078", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000076", "form": "4", "family": "Form 4", "filing_date": "2025-09-12", "report_date": "2025-09-10", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000076/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000076/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-09-12_4_000090983225000076", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000074", "form": "4", "family": "Form 4", "filing_date": "2025-09-12", "report_date": "2025-09-10", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000074/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000074/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-09-12_4_000090983225000074", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000072", "form": "4", "family": "Form 4", "filing_date": "2025-09-12", "report_date": "2025-09-10", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000072/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000072/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-09-12_4_000090983225000072", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000070", "form": "4", "family": "Form 4", "filing_date": "2025-09-04", "report_date": "2025-09-02", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000070/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000070/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-09-04_4_000090983225000070", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000066", "form": "4", "family": "Form 4", "filing_date": "2025-08-22", "report_date": "2025-08-20", "primary_document": "xslF345X05/form4.xml", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000066/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000066/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-08-22_4_000090983225000066", "download_status": "partial", "all_selected_files_accounted_for": true, "files": [] }, { "accession_number": "0000909832-25-000064", "form": "8-K", "family": "8-K", "filing_date": "2025-08-07", "report_date": "2025-08-04", "primary_document": "cost-20250804.htm", "filing_index_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000064/index.json", "directory_url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000064/", "local_directory": "D:\\Web\\aktieanalys\\data\\costco-wholesale-corporation\\sec\\filings\\2025-08-07_8-K_000090983225000064", "download_status": "downloaded", "all_selected_files_accounted_for": true, "files": [ { "name": "cost-20250804.htm", "url": "https://www.sec.gov/Archives/edgar/data/909832/000090983225000064/cost-20250804.htm", "status": "retrieved", "cache_status": "downloaded", "size": 21683, "sha256": "9becffe040a6e163a479808b0f04fe16040a11c496256fb855b912ac42261552", "content_type": "text/html" } ] } ], "reading_status": "not_read", "note": "Archive status is not reading status. Mark each in-window filing and material exhibit as fully read only after end-to-end review." }