Inogen (NASDAQ: INGN) EVP reports RSU grant, vesting and tax disposals

Rhea-AI Filing Summary

Inogen Inc executive Jennifer M. Yi Boyer reported multiple equity award events. On February 27, 2026, she received a grant of 32,500 restricted stock units, each representing one share of common stock. These units vest in three equal annual installments starting March 1, 2027, subject to continued service.

On March 1, 2026, restricted stock units previously granted fully vested or were earned based on 2025 financial performance, and were converted into common shares. In connection with these vestings, blocks of shares were withheld at $6.10 per share to cover tax liabilities. After these transactions, she directly owned 26,747 shares of Inogen common stock.

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

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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^*

Yi Boyer Jennifer M

(Last) (First) (Middle)

C/O INOGEN, INC.

500 CUMMINGS 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 Entrprs Enblmnt, Ch HR Off

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		M		4,680	A	$0	18,189	D
Common Stock	03/01/2026		F		2,544(1)	D	$6.1	15,645	D
Common Stock	03/01/2026		A		3,603(2)	A	$0	19,248	D
Common Stock	03/01/2026		F		1,959(3)	D	$6.1	17,289	D
Common Stock	03/01/2026		M		7,332	A	$0	24,621	D
Common Stock	03/01/2026		F		3,927(1)	D	$6.1	20,694	D
Common Stock	03/01/2026		M		13,005	A	$0	33,699	D
Common Stock	03/01/2026		F		6,952(1)	D	$6.1	26,747	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	(4)	02/27/2026		A		32,500		(5)	(5)	Common Stock	32,500	$0	32,500	D
Restricted Stock Unit	(4)	03/01/2026		M			4,680	(6)	(6)	Common Stock	4,680	$0	0	D
Restricted Stock Unit	(4)	03/01/2026		M			7,332	(7)	(7)	Common Stock	7,332	$0	7,332	D
Restricted Stock Unit	(4)	03/01/2026		M			13,005	(8)	(8)	Common Stock	13,005	$0	26,010	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 unit award that vested on March 1, 2026.

2. 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 February 28, 2023.

3. 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 February 28, 2023 and vested on March 1, 2026.

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

5. 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.

6. The restriced stock units were fully vested on March 1, 2026.

7. 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.

8. 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
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FAQ

What insider transactions did Inogen (INGN) report for Jennifer M. Yi Boyer?

Inogen reported that EVP Jennifer M. Yi Boyer had restricted stock units vest and convert into common shares, with some shares withheld to pay taxes, and also received a new 32,500-unit RSU grant, increasing her direct common stock holdings to 26,747 shares.

How many restricted stock units were newly granted to the Inogen EVP in this Form 4?

The filing shows a new grant of 32,500 restricted stock units to the Inogen executive. Each unit represents the right to receive one share of common stock, vesting in three equal annual installments starting March 1, 2027, subject to her continued service.

Why were some Inogen (INGN) shares disposed of in Jennifer M. Yi Boyer’s Form 4?

Shares were disposed of solely to cover tax withholding obligations related to vesting restricted stock units. The filing states that blocks of common stock were withheld at $6.10 per share to satisfy tax liabilities, not as open-market sales or discretionary selling transactions.

What vesting schedule applies to the 32,500 new Inogen restricted stock units?

One-third of the 32,500 restricted stock units will vest on March 1, 2027, and, subject to continued service, one-third will vest on the same date in each of the following two years, providing a three-year, time-based vesting structure for the executive’s equity award.

How many Inogen common shares does Jennifer M. Yi Boyer own after these transactions?

After the reported equity award exercises, vesting, and tax-related share withholdings, the Form 4 states that Jennifer M. Yi Boyer directly owns 26,747 shares of Inogen common stock, reflecting her updated equity stake as an executive officer of the company.

What performance conditions were tied to some Inogen RSUs in this Form 4?

Some restricted stock units vested based on financial performance conditions for the 2025 fiscal year. The filing notes these RSUs were part of a 2023 performance-based award granted on February 28, 2023, and were earned and vested on March 1, 2026 once conditions were achieved.