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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Sanford Bart Ben 2. Issuer Name and Ticker or Trading Symbol Inogen Inc [ INGN ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
EVP, Operations
(Last)         (First)         (Middle)
C/O INOGEN, INC., 301 COROMAR DRIVE
3. Date of Earliest Transaction (MM/DD/YYYY)
12/1/2021
(Street)
GOLETA, CA 93117
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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  12/1/2021    M    273  A $0.00  5104  D   
Common Stock  12/1/2021    F    225 (1) D $29.66  4879  D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
Restricted Stock Unit   (2) 12/1/2021    M        273    (3)  (3) Common Stock  273  $0.00  2457  D   

Explanation of Responses:
(1)  The reported shares were withheld to cover the Reporting Person's tax withholding liability in connection with a portion of a time-based restricted stock award that vested on December 1, 2021.
(2)  Each restricted stock unit represents a contingent right to receive one share of Inogen common stock.
(3)  Subject to the reporting person's continued service, 25% of the restricted stock units shall vest on March 1, 2021, and 1/16th of the restricted stock units shall vest every three months thereafter on the 1st day of the month.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Sanford Bart Ben
C/O INOGEN, INC.
301 COROMAR DRIVE
GOLETA, CA 93117


EVP, Operations

Signatures
/s/ Alison Bauerlein, as Attorney-in-Fact 12/3/2021
**Signature of Reporting Person Date
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