    <SEC-DOCUMENT>0001564590-22-015001-index.html : 20220421
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    <ACCEPTANCE-DATETIME>20220421061029
    ACCESSION NUMBER:		0001564590-22-015001
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20220421
    DATE AS OF CHANGE:		20220421

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Inogen Inc
    		CENTRAL INDEX KEY:			0001294133
    		STANDARD INDUSTRIAL CLASSIFICATION:	ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES [3842]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36309
    		FILM NUMBER:		22839604

    	BUSINESS ADDRESS:
    		STREET 1:		326 BOLLAY DRIVE
    		CITY:			GOLETA
    		STATE:			CA
    		ZIP:			93117
    		BUSINESS PHONE:		805-562-0500

    	MAIL ADDRESS:
    		STREET 1:		326 BOLLAY DRIVE
    		CITY:			GOLETA
    		STATE:			CA
    		ZIP:			93117
    </SEC-HEADER>
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    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>ingn-defa14a_20220608.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: ingn-defa14a_20220608.htm

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    <SEQUENCE>2
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: gdy531xl4pbe000002.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>gdy531xl4pbe000001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: gdy531xl4pbe000001.jpg

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