WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP 10-Q

Item 5. OTHER INFORMATION On May 18, 2026 , Rafael Santana , Wabtec's Chairman and Chief Executive Officer , entered into a stock trading plan (the "Plan") designed to comply with Rule 10b5-1(c) under the Securities Exchange Act of 1934, as amended. Under the terms of the plan, up to 13,053 shares jointly owned by Mr. Santana and his spouse may be sold from September 2026 to February 2027 . Other than with respect to Mr. Santana's Plan, none of Wabtec's Directors or Officers have adopted , terminated , or materially modified any trading plans, whether or not the plan was intended to qualify for the affirmative defense under Rule 10b5-1, during the second quarter ended June 30, 2026. 48 Item 6. EXHIBITS The following exhibits are being filed with this report: 22.1 List of Subsidiary Guarantors 31.1 Rule 13a-14(a) Certification of Chief Executive Officer. 31.2 Rule 13a-14(a) Certification of Chief Financial Officer. 32.1 Section 1350 Certification of Chief Executive Officer and Chief Financial Officer. 101.INS XBRL Instance Document. 101.SCH Inline XBRL Taxonomy Extension Schema Document. 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document. 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document. 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document. 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) 49 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Company has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION By: /s/ JOHN A. OLIN John A. Olin Executive Vice President and Chief Financial Officer (Duly Authorized Officer and Principal Financial Officer) DATE: July 22, 2026 50