Inogen (INGN) EVP Kevin P. Smith reports RSU grants and tax share withholding

Rhea-AI Filing Summary

Inogen Inc executive Kevin P. Smith reported multiple equity compensation transactions. On February 27, 2026, he received a grant of 35,000 restricted stock units (RSUs), each representing the right to receive one share of Inogen common stock, subject to multi-year vesting based on continued service.

On March 1, 2026, 14,005 RSUs were exercised into common stock at no cost, and he was also awarded 1,500 shares of common stock at $6.10 per share. To cover tax withholding related to vested RSUs, 6,276 shares of common stock were disposed of at $6.10 per share. After these transactions, he directly held 22,007 shares of common stock and a remaining RSU balance as reported.

Insights

Equity compensation analyst

Routine equity awards and tax withholding with no open‑market trading.

The transactions show Inogen EVP Kevin P. Smith receiving stock-based compensation and settling related taxes. A large grant of 35,000 RSUs on February 27, 2026 and RSU vesting on March 1, 2026 indicate ongoing use of equity for executive incentives.

Common shares from vested RSUs and a 1,500-share award at $6.10 were partly offset by the 6,276-share tax-withholding disposition. These are non-open‑market, compensation-related moves, so the overall impact on an investment thesis is limited and primarily administrative.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Smith Kevin P.

(Last) (First) (Middle)

C/O INOGEN, INC.

500 CUMMING CENTER, SUITE 2800

(Street)

BEVERLY MA 01915

(City) (State) (Zip)

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, Bus Dev, GC & Sec

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

4. 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 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	03/01/2026		A		1,500(1)	A	$6.1	14,278	D
Common Stock	03/01/2026		M		14,005	A	$0	28,283	D
Common Stock	03/01/2026		F		6,276(2)	D	$6.1	22,007	D

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 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: 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	(3)	02/27/2026		A		35,000		(4)	(4)	Common Stock	35,000	$0	35,000	D
Restricted Stock Unit	(3)	03/01/2026		M			14,005	(5)	(5)	Common Stock	14,005	$0	28,011	D

Explanation of Responses:

1. Shares acquired through the Company's 2014 Employee Stock Purchase Plan.

2. 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.

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

4. 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.

5. 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.

	/s/ Mary Wright, as Attorney-in-Fact	03/03/2026
	** 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 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).
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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FAQ

What did Inogen (INGN) executive Kevin P. Smith report in this Form 4?

Kevin P. Smith reported routine equity compensation activity, including restricted stock unit grants, RSU vesting into common shares, a separate common stock award, and a share disposition to satisfy tax withholding obligations tied to vested RSUs.

How many restricted stock units did Kevin P. Smith receive from Inogen (INGN)?

He received a grant of 35,000 restricted stock units on February 27, 2026. Each unit represents a contingent right to receive one share of Inogen common stock, subject to a multi‑year vesting schedule tied to his continued service at the company.

How many Inogen (INGN) shares were used to cover Kevin P. Smith’s taxes?

A total of 6,276 common shares were disposed of at $6.10 per share to cover his tax withholding liability arising from the vesting of a portion of a time‑based restricted stock unit award on March 1, 2026.

Did Kevin P. Smith buy or sell Inogen (INGN) shares on the open market?

The transactions involve RSU grants, RSU conversions into common stock at no cost, a stock award, and a share disposition for tax withholding. They do not describe any open‑market purchases or sales initiated for investment purposes.

How many Inogen (INGN) common shares does Kevin P. Smith hold after these transactions?

Following the reported equity transactions, Kevin P. Smith directly holds 22,007 shares of Inogen common stock. He also continues to hold restricted stock units that may vest in future years based on his continued service with the company.