[Form 3] Inogen Inc Initial Statement of Beneficial Ownership

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Yi Boyer Jennifer M

Role EVP Entrprs Enblmnt, Ch HR Off

Type	Security	Shares	Price	Value
holding	Restricted Stock Unit	--	--	--
holding	Restricted Stock Unit	--	--	--
holding	Restricted Stock Unit	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Unit — 4,680 shares (Direct); Common Stock — 13,509 shares (Direct)

Footnotes (1)

1. Each restricted stock unit represents a contingent right to receive one share of Inogen common stock. Subject to the reporting person's continued service, the restricted stock units shall vest on March 1, 2026. Subject to the reporting person's continued service, the restricted stock units shall vest on March 1, 2027. Subject to the reporting person's continued service, 1/3rd of the restricted stock units shall vest one year from March 1, 2025 (the "Vesting Commencement Date"), and 1/3rd of the restricted stock units shall vest every year thereafter on the same day of the year as the Vesting Commencement Date.

Understanding Insider Trading Forms →

SEC Form 3

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Yi Boyer Jennifer M

(Last) (First) (Middle)

C/O INOGEN, INC., 859 WARD DRIVE

(Street)

GOLETA CA 93111

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
07/28/2025

3. Issuer Name and Ticker or Trading Symbol
Inogen Inc [ INGN ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP Entrprs Enblmnt, Ch HR Off

5. If Amendment, Date of Original Filed (Month/Day/Year)

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 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	13,509	D

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: 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
Restricted Stock Unit(1)	(2)	(2)	Common Stock	4,680	$0	D
Restricted Stock Unit(1)	(3)	(3)	Common Stock	14,664	$0	D
Restricted Stock Unit(1)	(4)	(4)	Common Stock	39,015	$0	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of Inogen common stock.

2. Subject to the reporting person's continued service, the restricted stock units shall vest on March 1, 2026.

3. Subject to the reporting person's continued service, the restricted stock units shall vest on March 1, 2027.

4. Subject to the reporting person's continued service, 1/3rd of the restricted stock units shall vest one year from March 1, 2025 (the "Vesting Commencement Date"), and 1/3rd of the restricted stock units shall vest every year thereafter on the same day of the year as the Vesting Commencement Date.

Remarks:

Exhibit 24 - Power of Attorney.

	/s/ Mary Wright, as Attorney-in-Fact	08/07/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.