FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Novo A/S
2. Date of Event Requiring Statement (Month/Day/Year)
02/12/2014
3. Issuer Name and Ticker or Trading Symbol
Inogen Inc [INGN]
(Last)
(First)
(Middle)
TUBORG HAVNEVEJ 19
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
SEE REMARKS
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

HELLERUP, G7 2900
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
COMMON STOCK 88,393
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
SERIES B PREFERRED STOCK   (1)   (1) COMMON STOCK 30,839 (1) $ (1) D  
SERIES C PREFERRED STOCK   (1)   (1) COMMON STOCK 1,967 (1) $ (1) D  
SERIES D PREFERRED STOCK   (1)   (1) COMMON STOCK 914,516 (1) $ (1) D  
SERIES E PREFERRED STOCK   (1)   (1) COMMON STOCK 1,363,283 (1) $ (1) D  
SERIES F PREFERRED STOCK   (1)   (1) COMMON STOCK 1,260,504 (1) $ (1) D  
SERIES G PREFERRED STOCK   (1)   (1) COMMON STOCK 2,376,947 (1) $ (1) D  
COMMON STOCK WARRANT (RIGHT TO BUY) 04/27/2007 04/27/2017 COMMON STOCK 26,365 $ 0.3 D  
COMMON STOCK WARRANT (RIGHT TO BUY) 05/31/2007 05/31/2017 COMMON STOCK 19,022 $ 0.3 D  
COMMON STOCK WARRANT (RIGHT TO BUY) 06/22/2007 06/22/2017 COMMON STOCK 12,681 $ 0.3 D  
COMMON STOCK WARRANT (RIGHT TO BUY) 07/17/2007 07/17/2017 COMMON STOCK 5,570 $ 0.3 D  
COMMON STOCK WARRANT (RIGHT TO BUY) 08/06/2007 08/06/2017 COMMON STOCK 2,727 $ 0.3 D  
COMMON STOCK WARRANT (RIGHT TO BUY) 10/05/2007 10/19/2017 COMMON STOCK 52,018 $ 0.3 D  
COMMON STOCK WARRANT (RIGHT TO BUY) 02/27/2009 02/26/2019 COMMON STOCK 11,488 $ 0.3 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Novo A/S
TUBORG HAVNEVEJ 19
HELLERUP, G7 2900
    X   SEE REMARKS

Signatures

/s/ Thorkil Kastberg Christensen, Chief Financial Officer of Novo A/S 02/12/2014
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Series B, C, D, E, F and G Preferred Stock (collectively, the "Preferred Stock") has no expiration date and is convertible at any time, at the holder's election. Upon the closing of the Issuer's initial public offering, the Preferred Stock will automatically convert into shares of the Issuer's Common Stock based on the Applicable Conversion Price (as defined in the Issuer's Twelfth Amended and Restated Certificate of Incorporation).
 
Remarks:
Novo A/S is a Danish limited liability company.  The board of directors of Novo A/S (the "Novo Board"), currently is comprised of Sten Scheibye, Goran Ando, Jorgen Boe, Jeppe Christiansen, Steen Riisgaard and Per Wold-Olsen, has shared investment and voting control over the securities of the Issuer held by Novo A/S (the "Shares") and may exercise such control only with the support of a majority of the Novo Board.  As such, no individual member of the Novo Board is deemed to hold any beneficial ownership or reportable pecuniary interest in the Shares.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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