UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT ☒ OF 1934 For the quarterly period ended March 31, 2024 or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT ☐ OF 1934 Sabre Corporation (Exact name of registrant as specified in its charter) Delaware 001-36422 20-8647322 (State or other jurisdiction of (Commission File Number) (I.R.S. Employer incorporation or organi ...