PULM

Announced merger agreement with Eos SENOLYTIX in March Closed private placement of preferred stock FRAMINGHAM, Mass., May 15, 2026 /PRNewswire/ -- Pulmatrix, Inc. ("Pulmatrix" or the "Company") (Nasdaq: PULM), a biopharmaceutical company that has focused on the development of novel inhaled therapeutic products intended to prevent and treat migraine and respiratory diseases with important unmet medical needs using its patented iSPERSE™ technology, today announced its first quarter financial results for 2026 and provided a corporate update. Peter Ludlum, Interim Chief Executive Officer of Pulmatrix, commented, "Our focus in the first quarter was on our work to secure a strategic transaction for our company and our shareholders. We are pleased to report that on March 26th we announced entering into a merger agreement with Eos SENOLYTIX, a privately held biotechnology company developing novel gerotherapeutic peptides targeting mitochondrial dysfunction in aging-related diseases using its proprietary MitoXcel™ platform. We also secured aggregate gross proceeds of $1 million from a private placement of preferred stock from an affiliate of Eos. Separate from the preferred stock, our common stockholders will receive approximately 6% interest in the new combined company without dilution from the preferred stock." Proposed Merger with Eos SENOLYTIX As previously reported, on March 26, 2026, the Company entered into an agreement (the "Merger Agreement") and plan of merger (the "Merger") with Eos SENOLYTIX, Inc. ("Eos"). The proposed Merger is anticipated to close in the third quarter of 2026, subject to customary closing conditions. If the proposed Merger is completed, the business of Eos will continue as the business of the combined company. In connection with the entry into the Merger Agreement, on March 26, 2026, the Company announced that it entered into a securities purchase agreement with an affiliate of Eos for the issuance and sale in a private placement of its newly designated Series B Convertible Preferred Stock, raising aggregate gross proceeds of $1.0 million. Additional information about the Merger Agreement was previously disclosed on a Current Report on Form 8-K filed with the SEC on March 27, 2026. Pulmatrix Seeks to Out-license or Monetize its Clinical Assets iSPERSE™ Technology iSPERSE™, also licensed to MannKind Corporation and Cipla Technologies for...

Plans to License or Monetize our Migraine and Inhalation Assets Continue FRAMINGHAM, Mass., Feb. 26, 2026 /PRNewswire/ -- Pulmatrix, Inc. ("Pulmatrix" or the "Company") (Nasdaq: PULM), a biopharmaceutical company that has focused on the development of novel inhaled therapeutic products intended to prevent and treat migraine and respiratory diseases with important unmet medical needs using its patented iSPERSE™ technology, today announced year-end and fourth quarter financial results for 2025 and provided a corporate update. Peter Ludlum, Interim Chief Executive Officer of Pulmatrix, commented, "Our focus in the fourth quarter was to advance steps to complete the proposed merger with Cullgen, a privately held, clinical-stage biopharmaceutical company focused on the discovery and development of targeted protein degrader therapies for the treatment of pain, cancer and other diseases. We continue to work with Cullgen for approval from the China Securities Regulatory Commission, or CSRC, one of the closing conditions of the Merger. Pulmatrix and Cullgen agreed to waive the "No Solicitation" clause in the Merger Agreement to permit each party to explore transactions that may benefit our respective companies while still seeking approval from the CSRC. In conjunction with the proposed merger, Pulmatrix is currently in a process to license or partner its patent portfolio encompassing our iSPERSE™ technology, as well as three related clinical programs, including our Phase 2 ready acute migraine program. Proposed Merger with Cullgen As previously reported, on November 13, 2024, the Company entered into an agreement and plan of merger with Cullgen Inc. ("Cullgen"), as amended by Amendment No. 1 thereto on April 7, 2025 (the "Merger Agreement" and such transaction, the "Merger"). If the proposed Merger is completed, the business of Cullgen will continue as the business of the combined company. Additional information about the Merger Agreement and proposed Merger was previously disclosed in a registration statement on Form S-4 (File No. 333-284993) initially filed with the Securities and Exchange Commission (the "SEC") on February 14, 2025, as amended on April 17, 2025, and May 7, 2025, and declared effective on May 9, 2025. On June 16, 2025, the Company held a special meeting in lieu of the 2025 annual meeting of Pulmatrix stockholders, at which the Company's stockholder...

As part of the proposed merger, Pulmatrix currently intends to divest its assets including its proprietary dry powder delivery technology, iSPERSE™, which enables delivery of small- or large-molecule drugs to the lungs by inhalation to treat migraine and respiratory diseases FRAMINGHAM, Mass., Oct. 16, 2025 /PRNewswire/ -- Pulmatrix, Inc. ("Pulmatrix" or the "Company") (Nasdaq: PULM), a biopharmaceutical company that has focused on the development of novel inhaled therapeutic products intended to prevent and treat migraine and respiratory diseases with important unmet medical needs using its patented iSPERSE™ technology, today announced third quarter financial results for 2025 and provided a corporate update. Peter Ludlum, Interim Chief Executive Officer of Pulmatrix, commented, "Our focus in the third quarter has been to advance steps to complete the proposed merger with Cullgen, a privately held, clinical-stage biopharmaceutical company focused on the discovery and development of targeted protein degrader therapies for the treatment of pain, cancer and other diseases. If consummated, the proposed merger would create a Nasdaq-listed company focusing on targeted protein degradation technology with three degrader programs in Phase 1 clinical trials – two for the treatment of cancer and one for the treatment of acute and chronic pain, which Cullgen recently announced has completed enrollment. As part of the proposed merger, Pulmatrix is currently in a process to potentially divest its patent portfolio encompassing our iSPERSE™ technology, as well as three related clinical programs, including our Phase 2 ready acute migraine program." Proposed Merger with Cullgen As previously reported, on November 13, 2024, the Company entered into an agreement and plan of merger with Cullgen Inc. ("Cullgen"), as amended by Amendment No. 1 thereto on April 7, 2025 (the "Merger Agreement" and such transaction, the "Merger"). Additional information about the Merger Agreement and proposed Merger was previously disclosed in a registration statement on Form S-4 (File No. 333-284993) initially filed with the Securities and Exchange Commission (the "SEC") on February 14, 2025, as amended on April 17, 2025, and May 7, 2025, and declared effective on May 9, 2025. On June 16, 2025, the Company held a special meeting in lieu of the annual meeting of Pulmatrix stockholders, at which the C...

Proposed merger anticipated to close in 2025 As part of the proposed merger, Pulmatrix currently intends to divest its assets including its proprietary dry powder delivery technology, iSPERSE™, which enables delivery of small or large molecule drugs to the lungs by inhalation FRAMINGHAM, Mass., Aug, 6, 2025 /PRNewswire/ -- Pulmatrix, Inc. ("Pulmatrix" or the "Company") (Nasdaq: PULM), a biopharmaceutical company that has focused on the development of novel inhaled therapeutic products intended to prevent and treat migraine and respiratory diseases with important unmet medical needs using its patented iSPERSE™ technology, today announced second quarter financial results for 2025 and provided a corporate update. Peter Ludlum, Interim Chief Executive Officer of Pulmatrix, commented, "Our focus in the second quarter has been to advance steps to complete the proposed merger with Cullgen, a privately held, clinical-stage biopharmaceutical company focused on the discovery and development of targeted protein degrader therapies for the treatment of pain, cancer and other diseases. During the quarter, the SEC declared our registration statement effective and our stockholders approved the Merger, which will be completed subject to certain closing conditions, including approval from Nasdaq and the China Security Regulatory Commission. If consummated, the proposed merger would create a Nasdaq-listed company focusing on targeted protein degradation technology with three degrader programs in Phase 1 clinical trials – two for the treatment of cancer and one for the treatment of acute and chronic pain. As part of the proposed merger, Pulmatrix is currently in a process to potentially divest its patent portfolio for our iSPERSE™ technology, as well as three related clinical programs." Proposed Merger with Cullgen As previously reported, on November 13, 2024, the Company entered into an agreement and plan of merger with Cullgen Inc. ("Cullgen"), PCL Merger Sub, Inc. and PCL Merger Sub II, LLC, as amended by Amendment No. 1 thereto on April 7, 2025 (the "Merger Agreement" and such transaction, the "Merger"). Additional information about the Merger Agreement and proposed Merger was previously disclosed in a registration statement on Form S-4 (File No. 333-284993) initially filed with the Securities and Exchange Commission (the "SEC") on February 14, 2025, as amended on April 17,...

Registration statement for proposed Cullgen merger declared effective by the SEC Proposed merger anticipated to close in June As part of proposed merger, Pulmatrix currently intends to divest its assets including its Phase 2-ready acute migraine candidate, PUR3100, and other development candidates based on its iSPERSE™ technology FRAMINGHAM, Mass., May 15, 2025 /PRNewswire/ -- Pulmatrix, Inc. ("Pulmatrix" or the "Company") (Nasdaq: PULM), a biopharmaceutical company that has focused on the development of novel inhaled therapeutic products intended to prevent and treat migraine and respiratory diseases with important unmet medical needs using its patented iSPERSE™ technology, today announced first quarter financial results for 2025 and provided a corporate update. Peter Ludlum, Interim Chief Executive Officer of Pulmatrix, commented, "Our focus in the first quarter has been to advance steps to complete the proposed merger with Cullgen, a privately held, clinical-stage biopharmaceutical company applying its proprietary targeted protein degradation uSMITE™ platform to discover and advance therapeutics for the treatment of cancer and other diseases. If successful, the proposed merger would create a Nasdaq-listed company focusing on targeted protein degradation technology with three degrader programs in Phase 1 clinical trials – two for the treatment of cancer and one for the treatment of acute and chronic pain. As part of the proposed merger, Pulmatrix is currently in a process to divest its clinical assets, including our Phase 2-ready acute migraine product candidate PUR3100, along with our iSPERSE™ technology." Proposed Merger with Cullgen As previously reported, on November 13, 2024, the Company entered into an agreement and plan of merger with Cullgen Inc. ("Cullgen"), as amended by Amendment No. 1 thereto on April 7, 2025 (the "Merger Agreement" and such transaction, the "Merger"). The proposed Merger is anticipated to close in June 2025, subject to the satisfaction of certain closing conditions, among others, however the exact timing of the consummation of the proposed Merger cannot be predicted. Additional information about the Merger Agreement and proposed Merger was previously disclosed in a registration statement on Form S-4 (File No. 333-284993) initially filed with the Securities and Exchange Commission (the "SEC") on February 14, 2025, as amended on...

Announced merger agreement with Cullgen in November, anticipated to close in the first half of 2025 As part of proposed merger, Pulmatrix intends to divest its assets including its Phase 2-ready acute migraine candidate, PUR3100, and other development candidates based on its iSPERSE™ technology FRAMINGHAM, Mass., March 21, 2025 /PRNewswire/ -- Pulmatrix, Inc. ("Pulmatrix" or the "Company") (Nasdaq: PULM), a biopharmaceutical company that has focused on the development of novel inhaled therapeutic products intended to prevent and treat migraine and respiratory diseases with important unmet medical needs using its patented iSPERSE™ technology, today announced fourth quarter and year-end financial results for 2024 and provided a corporate update. Peter Ludlum, Interim Chief Executive Officer of Pulmatrix, commented, "Our focus in the fourth quarter has been to advance the proposed merger with Cullgen, a privately held, clinical-stage biopharmaceutical company applying its proprietary targeted protein degradation uSMITE™ platform to discover and advance therapeutics for the treatment of cancer and other diseases. If successful, the proposed merger would create a Nasdaq-listed company focusing on targeted protein degradation technology with three degrader programs in or about to initiate Phase 1 clinical trials – two for the treatment of cancer and one for the treatment of acute and chronic pain. As part of the proposed merger, Pulmatrix is in a process to divest its clinical assets, including iSPERSE™ and our Phase 2 ready acute migraine product." Proposed Merger with Cullgen As previously reported, on November 13, 2024, following a review of strategic alternatives, the Company announced it had entered into an agreement and plan of merger (the "Merger Agreement" and such transaction, the "Merger") with Cullgen Inc. ("Cullgen"). The Merger is anticipated to close in the first half of 2025, subject to the satisfaction of certain closing conditions, among others, however the exact timing of the consummation of the Merger cannot be predicted. Additional information about the Merger Agreement was previously disclosed on a Current Report on Form 8-K filed with the SEC on November 13, 2024, and in a registration statement on Form S-4 filed with the SEC on February 14, 2025. Pulmatrix Seeking Divestment of Clinical Assets and Proprietary iSPERSE™ Technology PUR3100 PUR3...