{"url_path":"/sec/pulm/10-q/2026/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-15","source_url":"https://www.sec.gov/Archives/edgar/data/1574235/0001493152-26-023368-index.html","accession_number":"0001493152-26-023368","cik":"0001574235","ticker":"PULM","issuer_name":"Pulmatrix, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1574235/0001493152-26-023368-index.html","primary_entity_key":"0001574235","primary_entity_name":"Pulmatrix, 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EXCHANGE COMMISSION**\n\n**Washington,\nD.C. 20549**\n\n \n\n**FORM\n10-Q**\n\n \n\n**(Mark\nOne)**\n\n \n\n☒\n**QUARTERLY\nREPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**\n\n \n\n**For\nthe quarterly period ended March 31, 2026**\n\n \n\n**or**\n\n \n\n☐\n**TRANSITION\nREPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**\n\n \n\n**For\nthe transition period from ___________ to**__________\n\n \n\n**Commission\nfile number: 001-36199**\n\n \n\n**PULMATRIX,\nINC.**\n\n**(Exact\nname of registrant as specified in its charter)**\n\n \n\n**Delaware**\n \n**46-1821392**\n\n(State\nor other jurisdiction of\n\nincorporation\nor organization)\n\n \n\n(I.R.S.\nEmployer\n\nIdentification\nNo.)\n\n \n \n \n\n**945\nConcord Street, Suite 1217**\n\n**Framingham,\nMA**\n\n \n**01701**\n\n(Address of principal executive\noffices)\n \n(Zip Code)\n\n \n\n**(888)\n355-4440**\n\nRegistrant’s\ntelephone number, including area code\n\n \n\n**N/A**\n\n(Former\nname, former address and former fiscal year, if changed since last report)\n\n \n\nIndicate\nby check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange\nAct of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2)\nhas been subject to such filing requirements for the past 90 days. Yes ☒ No ☐\n\n \n\nIndicate\nby check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule\n405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).\nYes ☒ No ☐\n\n \n\nIndicate\nby check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting\ncompany or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”,\n“smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):\n\n \n\nLarge accelerated filer\n☐\nAccelerated filer\n☐\n\n \n \n \n \n\nNon-accelerated filer\n☒\nSmaller reporting company\n☒\n\n \n \n \n \n\n \n \nEmerging growth company\n☐\n\n \n\nIf\nan emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying\nwith any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐\n\n \n\nIndicate\nby check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒\n\n \n\n**Securities\nregistered pursuant to Section 12(b) of the Exchange Act:**\n\n \n\n**Title\nof each Class**\n \n**Trading\nSymbol(s)**\n \n**Name\nof each exchange on which registered**\n\n**Common Stock, par value\n$0.0001 per share**\n \n**PULM**\n \n**The Nasdaq Stock Market\nLLC**\n\n \n\nAs\nof May 11, 2026, the registrant had 3,652,285 shares of common stock outstanding.\n\n \n\n \n\n \n\n \n\n \n\n \n\n**PULMATRIX,\nINC.**\n\n**FORM\n10-Q**\n\n**FOR\nTHE QUARTERLY PERIOD ENDED MARCH 31, 2026**\n\n**TABLE\nOF CONTENTS**\n\n \n\n \n \n**Page\nNo.**\n\n \n \n\n**PART I—FINANCIAL INFORMATION**"}