1 PULMATRIX, INC. 99 Hayden Avenue Suite 390 Lexington, Massachusetts 02421 (781) 357-2333 PROXY STATEMENT FOR ANNUAL MEETING OF STOCKHOLDERS To Be Held June 15, 2022 Unless the context otherwise requires, references in this Proxy Statement to “we,” “us,” “our,” “the Company,” or “Pulmatrix” refer to Pulmatrix, Inc., a Delaware corporation, and its consolidated subsidiaries as a whole. In addition, unless the context otherwise requires, references to “stockholders” are to the holders of our common stock, par value $0.0001 per share. The accompanying proxy is solicited by the Board of Directors (the “Board”) on behalf of Pulmatrix, Inc. to be voted at the 2022 annual meeting of stockholders of the Company (the “Annual Meeting”) to be held on June 15, 2022, at the time and place and for the purposes set forth in the accompanying Notice of Annual Meeting of Stockholders (the “Notice”) and at any adjournment(s) or postponement(s) of the Annual Meeting. This Proxy Statement and accompanying form of proxy are dated April 29, 2022 and are expected to be first sent or given to stockholders on or about April 29, 2022. The executive offices of the Company are located at, and the mailing address of the Company is 99 Hayden Avenue, Suite 390, Lexington, Massachusetts 02421. IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE STOCKHOLDER MEETING TO BE HELD ON JUNE 15, 2022: As permitted by the “Notice and Access” rules of the U.S. Securities and Exchange Commission (the “SEC”), we are making this Proxy Statement, a form of the proxy card, and our Annual Report available to stockholders electronically via the Internet at the following website: www.proxydocs.com/PULM. On or about April 29, 2022, we commenced mailing to our stockholders a Notice of Internet Availability of Proxy Materials (the “Notice of Internet Availability”) that contains instructions on how stockholders may access and review all of the proxy materials and how to vote. Also, on or about April 29, 2022, we began mailing printed copies of the proxy materials to stockholders that previously requested printed copies. If you received a Notice of Internet Availability by mail, you will not receive a printed copy of the proxy materials in the mail unless you request a copy. If you received a Notice of Internet Availability by mail and would like to receive a printed copy of our proxy materials, you should follow the instructions for requesting such materials included in the Notice of Internet Availability.
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