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(Exact name of registrant as specified in its charter) Delaware   1-36691   06-1528493 (State or other Jurisdiction of Incorporation)   (Commission File Number)   (IRS Employer Identification No.) 800 Connecticut Avenue Norwalk Connecticut   06854 (Address of principal executive offices)   (zip code) Registrant's telephone number, including area code: ( 203 ) 299-8000 N/A (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities Registered Pursuant to Section 12(b) of the Act: Title of Each Class:   Trading Symbol   Name of Each Exchange on which Registered: Common Stock par value $0.008 per share   BKNG   The NASDAQ Global Select Market 4.000% Senior Notes Due 2026   BKNG 26   The NASDAQ Stock Market LLC 1.800% Senior Notes Due 2027   BKNG 27   The NASDAQ Stock Market LLC 0.500% Senior Notes Due 2028   BKNG 28   The NASDAQ Stock Market LLC 3.625% Senior Notes Due 2028   BKNG 28A   The NASDAQ Stock Market LLC 3.500% Senior Notes Due 2029   BKN 29A   The NASDAQ Stock Market LLC 4.250% Senior Notes Due 2029   BKN 29   The NASDAQ Stock Market LLC 3.000% Senior Notes Due 2030   BKNG 30   The NASDAQ Stock Market LLC 3.125% Senior Notes Due 2031   BKNG 31A   The NASDAQ Stock Market LLC 4.500% Senior Notes Due 2031   BKNG 31   The NASDAQ Stock Market LLC 3.625% Senior Notes Due 2032   BKNG 32   The NASDAQ Stock Market LLC 3.250% Senior Notes Due 2032   BKNG 32A   The NASDAQ Stock Market LLC 4.125% Senior Notes Due 2033   BKNG 33   The NASDAQ Stock Market LLC 4.750% Senior Notes Due 2034   BKNG 34   The NASDAQ Stock Market LLC 3.625% Senior Notes Due 2035   BKNG 35   The NASDAQ Stock Market LLC 3.750% Senior Notes Due 2036   BKNG 36   The NASDAQ Stock Market LLC 3.750% Senior Notes Due 2037   BKNG 37   The NASDAQ Stock Market LLC 4.125% Senior Notes Due 2038   BKNG 38   The NASDAQ Stock Market LLC 4.000% Senior Notes Due 2044   BKNG 44   The NASDAQ Stock Market LLC 3.875% Senior Notes Due 2045   BKNG 45   The NASDAQ Stock Market LLC 4.500% Senior Notes Due 2046   BKNG 46   The NASDAQ Stock Market LLC Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Item 5.03. Amendments to Articles of incorporation or Bylaws; Change in Fiscal Year. On April 2, 2026, Booking Holdings Inc. (the “Company”) filed an amendment to its Restated Certificate of Incorporation with the Delaware Secretary of State to effect the previously announced twenty-five-for-one forward stock split of the Company’s common stock and to proportionately increase the number of shares of the Company’s authorized common stock from 1,000,000,000 to 25,000,000,000. The amendment, which became effective at 4:01 p.m. Eastern Time on April 2, 2026, is filed as Exhibit 3.1 to this Current Report on Form 8-K. Trading is expected to commence on a split-adjusted basis at market open on Monday, April 6, 2026. Item 9.01. Financial Statements and Exhibits . (d) Exhibits     Exhibit Number   Description       3.1   Amendment to Restated Certificate of Incorporation of Booking Holdings Inc., dated April 2, 2026. 104   Cover Page Interactive Data File - the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.   BOOKING HOLDINGS INC.           By: /s/ Peter J. Millones       Name: Peter J. Millones       Title: Executive Vice President and General Counsel   Date: April 2, 2026