UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 7, 2024

PULMATRIX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-36199

46-1821392

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

36 Crosby Drive, Suite 100

Bedford, MA 01730

(Address of principal executive offices) (Zip Code)

(781) 357-2333

(Registrant’s telephone number, including area code)

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4 (c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of exchange on which registered
Common Stock, par value $0.0001 per share		PULM		The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On March 7, 2024, the Board of Directors of Pulmatrix, Inc. (the “Company”) approved the termination of the Company’s Chief Medical Officer (“CMO”), Dr. Margaret Wasilewski’s, employment with the Company. The termination of the employment of the Company’s CMO is in connection with the elimination of the position within the Company so as to transition to an outsourced, part-time CMO model, and is not in connection with any disagreement regarding any matter relating to the Company’s operations, policies or practices.

Severance payments, any approved but unpaid bonus and health insurance premiums will be paid to Dr. Wasilewski pursuant to the terms of the employment letter, dated January 27, 2022, by and between the Company and Dr. Wasilewski, as amended.

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 hereunto duly authorized.

	PULMATRIX, INC.

Date: March 13, 2024	By:	/s/ Teofilo Raad
		Teofilo Raad
		Chief Executive Officer