Exhibit 23.3

 

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

 

We consent to the inclusion in this Registration Statement on Form S-4 of our report dated March 21, 2025, with respect to the financial statements of Pulmatrix, Inc. included in this Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

 

/s/ Marcum LLP

 

New York, NY

July 8, 2026