v3.26.1
Cover
May 15, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 15, 2026
Entity File Number 001-36199
Entity Registrant Name PULMATRIX, INC.
Entity Central Index Key 0001574235
Entity Tax Identification Number 46-1821392
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 945 Concord Street
Entity Address, Address Line Two Suite 1217
Entity Address, City or Town Framingham
Entity Address, State or Province MA
Entity Address, Postal Zip Code 01701
City Area Code (888)
Local Phone Number 355-4440
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.0001 per share
Trading Symbol PULM
Security Exchange Name NASDAQ
Entity Emerging Growth Company false