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 2025 annual meeting of stockholders of Westinghouse Air Brake Technologies Corporation, doing business as Wabtec Corporation, on May 15, 2025 at 11:30 a.m. Eastern Time virtually, via a live audio webcast on the Internet at www.virtualshareholdermeeting.com/WAB2025You will be able to attend and participate in the Annual Meeting online by visiting www.virtualshareholdermeeting.com/WAB2025, where you will be able to vote electronically and submit questions. You will need the 16-digit control number on your proxy card to attend the Annual Meeting.For more than 150 years, Wabtec has been at the forefront of developing innovative solutions and technologies that have transformed the global rail industry. The Company's unique portfolio addresses some of the world's most critical challenges to improve efficiency, safety and make a positive impact on people and the planet. With 2024 behind us, I would like to take the opportunity to discuss how the Wabtec Board of Directors has worked on your behalf. As members on the Board, we have a duty to understand the perspectives of our stockholders, provide oversight of material risks and provide long-term guidance to the Company's strategic vision. Your Board is comprised of leaders with extensive global corporate strategy, rail industry, risk management, technology and innovation, corporate finance, regulatory and compliance experience. Wabtec seeks to maintain a contemporary Board and is committed to refreshment to ensure leadership expertise in areas that are critical to long-term business growth, risk oversight and to support future value creation. We believe a variety of perspectives facilitates effective decision making, helps drive long-term value, and encourages different views on risk management, business strategy and innovation. During my time at Wabtec, I’ve had the privilege to work alongside Bill Kassling as Vice Chair and former President and CEO of Wabtec. After decades of leadership, Mr. Kassling will not stand for reelection at this Annual Meeting. We thank Mr. Kassling for his many years of service and wish him well in his retirement. The Board remains committed to providing best-in-class governance and strategic leadership to the Board. As such, I am pleased to welcome Juan Perez as a member of the Board of Directors and a nominee for election to the Board by our stockholders in 2025. Mr. Perez is a 30+ year corporate veteran with experience leading global teams with extensive expertise in logistics, technology, information security, data analytics and artificial intelligence. We are confident that the leadership team along with our Board of Directors will continue to lead the Company while driving long-term value for the Company’s shareholders. We note that:•Six of nine continuing directors joined the board in the last six years.•Eight of nine continuing directors have served in senior leadership roles and/or on the Boards of significantly sized publicly traded companies.

Your Board is committed to engaging directly with the Company's stockholders. In 2024, representatives of Wabtec management held meetings dedicated to strategy, governance, sustainability and social topics with stockholders representing 77% of shares outstanding. The strong engagement and continued open dialogue with our stockholders help make the Company stronger. The Company is continuing to invent solutions and technologies that will drive the industry and the world toward a more efficient and sustainable future. I have the utmost confidence in where the Company is headed. I speak for the entire Board when I say I am highly encouraged by Wabtec’s progress and eager to see all it will accomplish.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 used, please vote your shares so that enough shares are represented to allow us to conduct the business of the Annual Meeting. Voting over the Internet, by telephone or by proxy card if you request one does not affect your right to vote while you attend the virtual Annual Meeting.Sincerely yours,Albert J. NeupaverChairman of the BoardApril 3, 2025

Notice of 2025 Annual Meeting

WHEN:May 15, 2025at 11:30 a.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.

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