<SEC-DOCUMENT>0001209191-14-060303.txt : 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>
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            <rptOwnerStreet2></rptOwnerStreet2>
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            <rptOwnerStreet1>303 DETROIT STREET, SUITE 301</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
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    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
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            <securityTitle>
                <value>Common Stock</value>
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                <value>2014-09-29</value>
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                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6240</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.1671</value>
                    <footnoteId id="F7"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1202230</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>see footnote</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2014-09-29</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1460</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.1671</value>
                    <footnoteId id="F7"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>281728</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>see footnote</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2014-09-30</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1380</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.5582</value>
                    <footnoteId id="F8"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>263598</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>see footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2014-09-30</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>920</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.5582</value>
                    <footnoteId id="F8"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>175727</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>see footnote</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2014-09-30</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6240</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.5582</value>
                    <footnoteId id="F8"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1195990</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>see footnote</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2014-09-30</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1460</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.5582</value>
                    <footnoteId id="F8"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>280268</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>see footnote</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 5, 2014.</footnote>
        <footnote id="F2">Price reflected is the weighted-average sale price for shares sold.  The range of sale prices for the transactions reported was $20.0550 to $20.4000 per share.  Each Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F3">These shares are held by Arboretum Ventures 1, LLC (&quot;Ventures 1&quot;).  Arboretum Investment Manager, LLC (&quot;AIM&quot;) serves as the managing member of Ventures 1.  Arboretum Ventures, Inc. (&quot;INC&quot;) serves as the Manager of AIM. Jan Garfinkle and Timothy Petersen are the sole shareholders of INC and share the power to vote or dispose of these shares and therefore may be deemed to have voting and investment power with respect to such shares; however, they disclaim beneficial ownership of the shares except to the extent of their pecuniary interests therein.  Timothy Petersen is a director of the Issuer and, accordingly, files separate Section 16 reports.</footnote>
        <footnote id="F4">These shares are held by Arboretum Ventures 1-A, LLC (&quot;Ventures 1-A&quot;).  AIM serves as the managing member of Ventures 1-A.  INC serves as the Manager of AIM. Jan Garfinkle and Timothy Petersen are the sole shareholders of INC and share the power to vote or dispose of these shares and therefore may be deemed to have voting and investment power with respect to such shares; however, they disclaim beneficial ownership of the shares except to the extent of their pecuniary interests therein.  Timothy Petersen is a director of the Issuer and, accordingly, files separate Section 16 reports.</footnote>
        <footnote id="F5">These shares are held by Arboretum Ventures II, L.P (&quot;Ventures II&quot;).  Arboretum Investment Manager II, LLC (&quot;AIM II&quot;) serves as the general partner of Ventures II.  Jan Garfinkle and Timothy Petersen are the managing members of AIM II and share the power to vote or dispose of these shares and therefore may be deemed to have voting and investment power with respect to such shares; however, they disclaim beneficial ownership of the shares except to the extent of their pecuniary interests therein.  Timothy Petersen is a director of the Issuer and, accordingly, files separate Section 16 reports.</footnote>
        <footnote id="F6">These shares are held by Arboretum Ventures IIa, L.P (&quot;Ventures IIa).  AIM II serves as the sole manager of Arboretum Investment Manager IIa, LLC (&quot;AIM IIa&quot;), which serves as the general partner of Ventures IIa.  Jan Garfinkle and Timothy Petersen are the managing members of AIM II and share the power to vote or dispose of these shares and therefore may be deemed to have voting and investment power with respect to such shares; however, they disclaim beneficial ownership of the shares except to the extent of their pecuniary interests therein.  Timothy Petersen is a director of the Issuer and, accordingly, files separate Section 16 reports.</footnote>
        <footnote id="F7">Price reflected is the weighted-average sale price for shares sold.  The range of sale prices for the transactions reported was $20.130 to $20.260 per share.  Each Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F8">Price reflected is the weighted-average sale price for shares sold.  The range of sale prices for the transactions reported was $20.500 to $20.695 per share.  Each Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Marcy Marshall as attorney-in-fact</signatureName>
        <signatureDate>2014-09-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
