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Pulmatrix, Inc.

For the period ended Jun 30, 2025. Filed Aug 6, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2025 · Filed Aug 6, 2025

PULM$1.38-1.4%Stored close · as of Nov 6, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized**.**

PULMATRIX, INC.
Date: August 6, 2025By:/s/ Peter Ludlum
Peter Ludlum
Interim Chief Executive Officer and Interim Chief Financial Officer
(Principal Executive, Financial and Accounting Officer)

INDEX TO EXHIBITS

Exhibit NumberExhibit Description
2.1Amendment No. 1 to the Agreement and Plan of Merger and Reorganization, dated as of April 7, 2025, by and among Pulmatrix, Inc., PCL Merger Sub, Inc., PCL Merger Sub II, LLC and Cullgen Inc. (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed with the SEC on April 10, 2025).
16.1Letter from Marcum LLP to the Securities and Exchange Commission dated April 8, 2025 (incorporated by reference to Exhibit 16.1 to the Company’s Current Report on Form 8-K filed with the SEC on April 8, 2025).
31.1*Certification of the Principal Executive Officer and Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1**Certification of Principal Executive Officer and Principal Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101. INS*Inline XBRL Instance Document
101.SCH*Inline XBRL Taxonomy Extension Schema Document
101.CAL*Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF*Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB*Inline XBRL Taxonomy Extension Labels Linkbase Document
101.PRE*Inline XBRL Taxonomy Extension Presentation Linkbase Document
104*Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)
*Filed herewith.
**Furnished herewith.
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.