PULM 2022 Proxy Statement

PULMATRIX, INC. 99 Hayden Avenue Suite 390 Lexington, Massachusetts 02421 (781) 357-2333 NOTICE OF ANNUAL MEETING OF STOCKHOLDERS To Be Held June 15, 2022 The Annual Meeting will be held on Thursday, June 15, 2022, at 8:30 a.m., Eastern Time, to be conducted in a virtual format only via live audio webcast at www.proxydocs.com/PULM. There is no physical location for the 2022 Annual Meeting. Annual Meeting Proposals Recommendation of the Board (1) Election of two directors to serve as Class II directors on our Board of Directors to serve until our 2025 Annual Meeting of Stockholders or until successors have been duly elected and qualified. FOR Each of the nominees (2) Ratification of the appointment of Marcum LLP as our independent registered public accounting firm for the 2022 fiscal year. FOR (3) Such other business as may arise and that may properly be conducted at the Annual Meeting or any adjournment or postponement thereof. Stockholders are referred to the Proxy Statement for more detailed information with respect to the matters to be considered at the Annual Meeting. The Board of Directors has fixed the close of business on April 18, 2022, as the record date (the “Record Date”) for the Annual Meeting. Only holders of record of shares of our common stock on the Record Date are entitled to receive notice of the Annual Meeting and to vote at the Annual Meeting or at any postponement(s) or adjournment(s) of the Annual Meeting. A complete list of registered stockholders entitled to vote at the Annual Meeting will be available for inspection at our offices during regular business hours for the ten (10) calendar days prior to the Annual Meeting and online during the Annual Meeting. YOUR VOTE AND PARTICIPATION IN THE COMPANY’S AFFAIRS ARE IMPORTANT. If your shares are registered in your name, even if you plan to attend the Annual Meeting or any postponement or adjournment of the Annual Meeting virtually, we request that you complete, date, sign and mail the form of proxy in accordance with the instructions set out in the form of proxy and in the Proxy Statement to ensure that your shares will be represented at the Annual Meeting or to vote online in advance of the Annual Meeting. If your shares are held in the name of a broker, trust, bank or other nominee, and you receive these materials through your broker or through another intermediary, please complete and return the materials, or vote online, in accordance with the instructions provided to you by such broker or other intermediary or contact your broker directly in order to obtain a proxy issued to you by your nominee holder to attend the Annual Meeting virtually and vote during the meeting. Failure to do so may result in your shares not being eligible to be voted by proxy at the Annual Meeting. By Order of the Board of Directors, /s/ Teofilo Raad Teofilo Raad Chief Executive Officer and President April 29, 2022

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