    <SEC-DOCUMENT>0001493152-21-008487-index.html : 20210412
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    <ACCEPTANCE-DATETIME>20210412091531
    ACCESSION NUMBER:		0001493152-21-008487
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		37
    CONFORMED PERIOD OF REPORT:	20210406
    ITEM INFORMATION:		Termination of a Material Definitive Agreement
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20210412
    DATE AS OF CHANGE:		20210412

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Pulmatrix, Inc.
    		CENTRAL INDEX KEY:			0001574235
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		IRS NUMBER:				461821392
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36199
    		FILM NUMBER:		21819555

    	BUSINESS ADDRESS:
    		STREET 1:		99 HAYDEN AVENUE
    		STREET 2:		SUITE 390
    		CITY:			LEXINGTON
    		STATE:			MA
    		ZIP:			02421
    		BUSINESS PHONE:		(781) 357-2333

    	MAIL ADDRESS:
    		STREET 1:		99 HAYDEN AVENUE
    		STREET 2:		SUITE 390
    		CITY:			LEXINGTON
    		STATE:			MA
    		ZIP:			02421

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Ruthigen, Inc.
    		DATE OF NAME CHANGE:	20130411
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