FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Versant Ventures II LLC   2. Issuer Name and Ticker or Trading Symbol Inogen Inc [INGN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) ONE SANSOME STREET, SUITE 3630 3. Date of Earliest Transaction (Month/Day/Year) 12/18/2014 (Street) SAN FRANCISCO, CA 94104 4. If Amendment, Date Original Filed(Month/Day/Year) 12/22/2014 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 12/18/2014   J(1)   9,235 D $ 0 31,334 I See Footnote (2) Common Stock 12/18/2014   J(3)   4,345 D $ 0 14,764 I See Footnote (4) Common Stock 12/18/2014   J(5)   486,420 D $ 0 2,041,988 I See Footnote (6) Common Stock 12/18/2014   J(7)   59,218 A $ 0 59,218 I See Footnote (8) Common Stock 12/18/2014   J(9)   1,126 A $ 0 60,344 I See Footnote (8) Common Stock 12/18/2014   J(10)   60,344 D $ 0 0 I See Footnote (8) Common Stock 12/18/2014   J(10)   7,946 A $ 0 7,946 I By Lubash Moses LLC and Evan Michael Moses Trust (11) (12) Common Stock 12/18/2014   J(10)   3,975 A $ 0 3,975 I By Robertson Family Trust (13) Common Stock 12/18/2014   J(3)   305 A $ 0 4,280 I By Robertson Family Trust (14) Common Stock 12/18/2014   J(10)   7,636 A $ 0 35,446 D (15)   Common Stock 12/18/2014   J(10)   2,084 A $ 0 9,785 D (16)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Versant Ventures II LLC ONE SANSOME STREET SUITE 3630 SAN FRANCISCO, CA 94104		X
Versant Venture Capital II, LP ONE SANSOME STREET SUITE 3630 SAN FRANCISCO, CA 94104		X
Versant Side Fund II, LP ONE SANSOME STREET SUITE 3630 SAN FRANCISCO, CA 94104		X
Versant Affiliates Fund II-A, LP ONE SANSOME STREET SUITE 3630 SAN FRANCISCO, CA 94104		X
ROBERTSON REBECCA B ONE SANSOME STREET SUITE 3630 SAN FRANCISCO, CA 94104		X
Bolzon Bradley J PhD ONE SANSOME STREET SUITE 3630 SAN FRANCISCO, CA 94104		X
Warden Charles M ONE SANSOME STREET SUITE 3630 SAN FRANCISCO, CA 94104		X
LUBASH BARBARA N ONE SANSOME STREET SUITE 3630 SAN FRANCISCO, CA 94104		X

Signatures

/s/ Robin L. Praeger		12/29/2014
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents a pro-rata in-kind distribution of Common Stock of the Issuer for no consideration by Versant Affiliates Fund II-A, L.P. ("VAF II-A") to its partners.
(2)	The shares are held by VAF II-A. Versant Ventures II, LLC ("VV II") serves as the sole general partner of VAF II-A. Brian G. Atwood, Samuel D. Colella, Ross A. Jaffe, William J. Link, Ph.D., Donald B. Milder, Rebecca B. Robertson, Bradley J. Bolzon, Charles M. Warden, and Barbara N. Lubash are directors and/or members of VV II and share voting and dispositive power over the shares held by VAF II-A, however, each disclaim beneficial ownership of these shares, except to the extent of their pecuniary interest in such shares.
(3)	Represents a pro-rata in-kind distribution of Common Stock of the Issuer for no consideration by Versant Side Fund II, L.P. ("VSF II") to its partners.
(4)	The shares are held by VSF II. VV II serves as the sole general partner of VSF II. Brian G. Atwood, Samuel D. Colella, Ross A. Jaffe, William J. Link, Ph.D., Donald B. Milder, Rebecca B. Robertson, Bradley J. Bolzon, Charles M. Warden, and Barbara N. Lubash are directors and/or members of VV II and share voting and dispositive power over the shares held by VSF II, however, each disclaim beneficial ownership of these shares, except to the extent of their pecuniary interest in such shares.
(5)	Represents a pro-rata in-kind distribution of Common Stock of the Issuer for no consideration by Versant Venture Capital II, L.P. ("VVC II") to its partners.
(6)	The shares are held by VVC II. VV II serves as the sole general partner of VVC II. Brian G. Atwood, Samuel D. Colella, Ross A. Jaffe, William J. Link, Ph.D., Donald B. Milder, Rebecca B. Robertson, Bradley J. Bolzon, Charles M. Warden, and Barbara N. Lubash are directors and/or members of VV II and share voting and dispositive power over the shares held by VVC II, however, each disclaim beneficial ownership of these shares, except to the extent of their pecuniary interest in such shares.
(7)	Represents a change in the form of ownership by virtue of the receipt of shares in the pro-rata in-kind distribution of Common Stock of the Issuer by VVC II.
(8)	The shares are held by VV II. Brian G. Atwood, Samuel D. Colella, Ross A. Jaffe, William J. Link, Ph.D., Donald B. Milder, Rebecca B. Robertson, Bradley J. Bolzon, Charles M. Warden, and Barbara N. Lubash are directors and/or members of VV II and share voting and dispositive power over the shares, however, each disclaim beneficial ownership of these shares, except to the extent of their pecuniary interest in such shares.
(9)	Represents a change in the form of ownership by virtue of the receipt of shares in the pro-rata in-kind distribution of Common Stock of the Issuer by VAF II-A.
(10)	Represents a pro-rata in-kind distribution of Common Stock of the Issuer by VV II without consideration to its members.
(11)	The shares are held by Lubash Moses LLC (the "LLC") for the benefit of Barbara N. Lubash. Barbara N. Lubash is a manager of the LLC.
(12)	The shares are held by the Evan Michael Moses Trust for the benefit of one or more family member of Barbara Lubash.
(13)	The shares are held by the Robertson Family Trust (the "Trust") for the benefit of Rebecca B. Robertson. Rebecca B. Robertson is a trustee of the Trust.
(14)	The shares are held by the Robertson Family Trust (the "Trust") for the benefit of Rebecca Robertson. Rebecca Robertson is a trustee of the Trust. The Reporting Person disclaims beneficial ownership of the shares except to the extent of her proportionate pecuniary interest therein.
(15)	The shares are held by Bradley J. Bolzon.
(16)	The shares are held by Charles M. Warden.
Remarks: Filing 2 of 2

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