<SEC-DOCUMENT>0001209191-14-060303-index.html : 20141001
<SEC-HEADER>0001209191-14-060303.hdr.sgml : 20140930
<ACCEPTANCE-DATETIME>20140930194059
ACCESSION NUMBER:		0001209191-14-060303
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20140926
FILED AS OF DATE:		20140930
DATE AS OF CHANGE:		20140930

ISSUER:		

	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

	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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Arboretum Investment Manager II, LLC
		CENTRAL INDEX KEY:			0001592722
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36309
		FILM NUMBER:		141130899

	BUSINESS ADDRESS:	
		STREET 1:		MARKET PLACE BUILDING
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104
		BUSINESS PHONE:		734-998-3688

	MAIL ADDRESS:	
		STREET 1:		MARKET PLACE BUILDING
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ARBORETUM VENTURES 11A LP
		CENTRAL INDEX KEY:			0001433353
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36309
		FILM NUMBER:		141130900

	BUSINESS ADDRESS:	
		STREET 1:		C/O ARBORETUM VENTURES 11A LP
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104
		BUSINESS PHONE:		734-998-3688

	MAIL ADDRESS:	
		STREET 1:		C/O ARBORETUM VENTURES 11A LP
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Arboretum Investment Manager IIa, LLC
		CENTRAL INDEX KEY:			0001592723
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36309
		FILM NUMBER:		141130902

	BUSINESS ADDRESS:	
		STREET 1:		MARKET PLACE BUILDING
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104
		BUSINESS PHONE:		734-998-3688

	MAIL ADDRESS:	
		STREET 1:		MARKET PLACE BUILDING
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ARBORETUM VENTURES II LP
		CENTRAL INDEX KEY:			0001433352
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36309
		FILM NUMBER:		141130905

	BUSINESS ADDRESS:	
		STREET 1:		C/O ARBORETUM VENTURES
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104
		BUSINESS PHONE:		734-998-3688

	MAIL ADDRESS:	
		STREET 1:		C/O ARBORETUM VENTURES
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Arboretum Investment Manager, LLC
		CENTRAL INDEX KEY:			0001592721
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36309
		FILM NUMBER:		141130903

	BUSINESS ADDRESS:	
		STREET 1:		MARKET PLACE BUILDING
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104
		BUSINESS PHONE:		734-998-3688

	MAIL ADDRESS:	
		STREET 1:		MARKET PLACE BUILDING
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Garfinkle Jan L.
		CENTRAL INDEX KEY:			0001592732

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36309
		FILM NUMBER:		141130898

	MAIL ADDRESS:	
		STREET 1:		MARKET PLACE BUILDING
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Arboretum Ventures 1-A, LLC
		CENTRAL INDEX KEY:			0001592760
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36309
		FILM NUMBER:		141130901

	BUSINESS ADDRESS:	
		STREET 1:		MARKET PLACE BUILDING
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104
		BUSINESS PHONE:		734-998-3688

	MAIL ADDRESS:	
		STREET 1:		MARKET PLACE BUILDING
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Arboretum Ventures 1, LLC
		CENTRAL INDEX KEY:			0001592724
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36309
		FILM NUMBER:		141130904

	BUSINESS ADDRESS:	
		STREET 1:		MARKET PLACE BUILDING
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104
		BUSINESS PHONE:		734-998-3688

	MAIL ADDRESS:	
		STREET 1:		MARKET PLACE BUILDING
		STREET 2:		303 DETROIT STREET, SUITE 301
		CITY:			ANN ARBOR
		STATE:			MI
		ZIP:			48104

	FORMER NAME:	
		FORMER CONFORMED NAME:	Arboretum Ventures, LLC
		DATE OF NAME CHANGE:	20131122
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html

Document 1 - RAW XML: doc4.xml

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</SEC-DOCUMENT>