Michael J. Bourque - 27 Feb 2026 Form 4 Insider Report for Inogen Inc (INGN)

Role: EVP, CFO & Treasurer
Signature: /s/ Mary Wright, as Attorney-in-Fact
Issuer symbol: INGN
Transactions as of: 27 Feb 2026
Net transactions value: -$155,135
Form type: 4
Filing time: 03 Mar 2026, 16:57:16 UTC
Previous filing: 03 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Bourque Michael J.	EVP, CFO & Treasurer	C/O INOGEN, INC., 500 CUMMINGS CENTER, SUITE 2800, BEVERLY	/s/ Mary Wright, as Attorney-in-Fact	03 Mar 2026	0001638420

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	INGN	Common Stock	Award	$5,331	+874	+1.8%	$6.10	50,020	01 Mar 2026	Direct	F1
transaction	INGN	Common Stock	Options Exercise	$0	+25,000	+50%	$0.000000	75,020	01 Mar 2026	Direct
transaction	INGN	Common Stock	Tax liability	$56,962	-9,338	-12%	$6.10	65,682	01 Mar 2026	Direct	F2
transaction	INGN	Common Stock	Award	$0	+28,875	+44%	$0.000000	94,557	01 Mar 2026	Direct	F3
transaction	INGN	Common Stock	Tax liability	$64,752	-10,615	-11%	$6.10	83,942	01 Mar 2026	Direct	F4
transaction	INGN	Common Stock	Options Exercise	$0	+17,007	+20%	$0.000000	100,949	01 Mar 2026	Direct
transaction	INGN	Common Stock	Tax liability	$38,753	-6,353	-6.3%	$6.10	94,596	01 Mar 2026	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	INGN	Restricted Stock Unit	Award	$0	+39,000		$0.000000	39,000	27 Feb 2026	Common Stock	39,000		Direct	F5, F6
transaction	INGN	Restricted Stock Unit	Options Exercise	$0	-25,000	-50%	$0.000000	25,000	01 Mar 2026	Common Stock	25,000		Direct	F5, F7
transaction	INGN	Restricted Stock Unit	Options Exercise	$0	-17,007	-33%	$0.000000	34,013	01 Mar 2026	Common Stock	17,007		Direct	F5, F8

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares acquired through the Company's 2014 Employee Stock Purchase Plan.
F2	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 unit award that vested on March 1, 2026.
F3	The reported securities represent shares earned and vested on March 1, 2026 based on achievement of the financial performance conditions for the 2025 fiscal year that were approved as part of the 2023 performance-based restricted stock unit award granted on March 4, 2024.
F4	The reported shares were withheld to cover the reporting person's tax withholding liability in connection with the 2023 performance-based restricted stock unit award granted on March 4, 2024 and vested on March 1, 2026.
F5	Each restricted stock unit represents a contingent right to receive one share of Inogen common stock.
F6	Subject to the reporting person's continued service, 1/3rd of the restricted stock units shall vest on March 1, 2027 (the "2027 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 2027 Vesting Commencement Date.
F7	1/3rd of the restricted stock units vested on March 1, 2025 (the "2025 Vesting Commencement Date"), and subject to the reporting person's continued service, 1/3rd of the restricted stock units shall vest every year thereafter on the same day of the year as the 2025 Vesting Commencement Date.
F8	1/3rd of the restricted stock units vested on March 1, 2026 (the "2026 Vesting Commencement Date"), and subject to the reporting person's continued service, 1/3rd of the restricted stock units shall vest every year thereafter on the same day of the year as the 2026 Vesting Commencement Date.