<SEC-DOCUMENT>0000899243-17-025523.txt : 20171107
<SEC-HEADER>0000899243-17-025523.hdr.sgml : 20171107
<ACCEPTANCE-DATETIME>20171107171816
ACCESSION NUMBER:		0000899243-17-025523
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171103
FILED AS OF DATE:		20171107
DATE AS OF CHANGE:		20171107

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Roach James M.
		CENTRAL INDEX KEY:			0001427944

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36199
		FILM NUMBER:		171184404

	MAIL ADDRESS:	
		STREET 1:		C/O MOMENTA PHARMACEUTICALS, INC.
		STREET 2:		675 WEST KENDALL STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

ISSUER:		

	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

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2017-11-03</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001574235</issuerCik>
        <issuerName>Pulmatrix, Inc.</issuerName>
        <issuerTradingSymbol>PULM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001427944</rptOwnerCik>
            <rptOwnerName>Roach James M.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PULMATRIX, INC., 99 HAYDEN AVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LEXINGTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02421</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Medical Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ James Roach</signatureName>
        <signatureDate>2017-11-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
