WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

SCHEDULE 14A INFORMATION

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES

EXCHANGE ACT OF 1934

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WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION

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Letter from the Chair

Dear Stockholder:We invite you to attend the 2026 annual meeting of stockholders of Westinghouse Air Brake Technologies Corporation, doing business as Wabtec Corporation, on May 12, 2026, at 12 p.m. Eastern Time. The meeting will be held virtually via live audio webcast at www.virtualshareholdermeeting.com/WAB2026.You may attend and participate in the Annual Meeting online by visiting www.virtualshareholdermeeting.com/WAB2026, where you will be able to vote electronically and submit questions. To join the meeting, please use the 16-digit control number included on your proxy card.For more than 155 years, Wabtec has been at the forefront of developing innovative technologies that continue to transform the global rail industry. Our unique portfolio addresses some of the world’s most critical challenges—enhancing efficiency, improving safety, and contributing positively to communities and the planet.With 2025 behind us, I would like to take this opportunity to reflect on how the Wabtec Board of Directors has continued to work on your behalf. As stewards of your investment, the Board is responsible for understanding stockholder perspectives, overseeing material risks, and providing long-term guidance aligned with Wabtec’s strategic vision.Your Board is composed of leaders with extensive experience in global corporate strategy, the rail industry, technology and innovation, risk management, corporate finance, and regulatory and compliance matters. Wabtec remains committed to maintaining a contemporary Board, with ongoing refreshment to ensure that our collective expertise aligns with the Company’s long-term growth opportunities, risk oversight, and value creation objectives. We believe diversity of experience and perspective supports effective decision-making and strengthens oversight of business strategy, innovation, and risk management.Our Board also remains deeply committed to engaging directly with our stockholders. In 2025, representatives of Wabtec management conducted meetings focused on strategy, governance, sustainability, and social topics with stockholders representing 77% of shares outstanding. This ongoing engagement provides valuable perspective and helps strengthen the Company.Wabtec continues to develop solutions and technologies that will drive the rail industry - and the broader transportation landscape - toward a more efficient, sustainable future. I have the utmost confidence in the direction of the Company and in the leadership team that will guide it forward. On behalf of the entire Board, I am encouraged by Wabtec’s progress and excited for what lies ahead.

This year’s Annual Meeting is particularly meaningful for me, as it will mark my final meeting as Chairman before I retire from the Board. It has been an honor to serve Wabtec and its stockholders, and I am deeply proud of the Company’s accomplishments and the strength of its leadership. I leave with full confidence that Wabtec is well positioned for continued success.Whether or not you plan to attend the virtual Annual Meeting, please cast your vote by proxy over the Internet by following the instructions provided in the Notice, by telephone, or by requesting a paper proxy card to sign, date, and return by mail. Regardless of the method you choose, we encourage you to vote so that enough shares are represented to conduct the business of the Annual Meeting. Voting in advance does not affect your right to vote if you choose to attend the meeting virtually.Sincerely yours,Albert J. NeupaverChairman of the BoardMarch 31, 2026

Notice of 2026 Annual Meeting

WHEN:May 12, 2026at 12 p.m. ET

How to VoteYou may vote while attending thevirtual meeting or by proxy. You will need the 16-digit number included in your proxy card, voting instruction form or notice.

BY INTERNET:www.proxyvote.com

BY MAIL:completing, signing, dating and mailing a proxy card in the envelope provided

AT THE MEETING:You may vote while attending the virtual meeting or by proxy.

Please follow the instructions on your Notice. Please vote with respect to each Notice you receive. Your vote is very important.

YOUR VOTE IS IMPORTANTPlease vote over the Internet, by telephone, by requesting a proxy card or vote while attending the Annual Meeting.

Company Overview

REVOLUTIONIZING THE WAY THE WORLD MOVES FOR FUTURE GENERATIONS

Wabtec is a global provider of value-added, technology-based locomotives, equipment, systems and services for the freight rail and passenger transit industries, as well as the mining, marine and industrial markets. Drawing on more than 155 years of experience, we are leading the way in safety, efficiency, reliability, innovation and productivity. Whether it’s freight, transit, ports, logistics, mining, industrial or marine, our expertise, technologies and people together – accelerate the future of transportation.

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