NGS (NGS) director Nigel Jenvey receives 4,456 shares from RSU vesting

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

NATURAL GAS SERVICES GROUP INC director Nigel Jenvey received 4,456 shares of common stock through vesting of a restricted stock unit (RSU) award. The RSUs converted into common shares at no cost to him, and following these transactions he directly owns 26,239 common shares. This reflects compensation-related equity vesting rather than an open-market purchase or sale.

Insider Trade Summary

4,456 shares exercised/converted

Mixed 2 txns

Insider Jenvey Nigel

Role null

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	4,456	$0.00	--
Grant/Award	Common Stock	4,456	$0.00	--

Holdings After Transaction: Restricted Stock Units — 0 shares (Direct, null); Common Stock — 26,239 shares (Direct, null)

Footnotes (1)

Not applicable. The reported shares were acquired in connection with the vesting of a restricted stock unit (RSU) award. Not applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash).

Key Figures

Shares acquired via RSU vesting: 4,456 shares Post-transaction holdings: 26,239 shares RSU exercise price: $0.0000 per unit +1 more

4 metrics

Shares acquired via RSU vesting 4,456 shares Common stock received on RSU vesting on 2026-06-05

Post-transaction holdings 26,239 shares Common stock directly owned after transactions

RSU exercise price $0.0000 per unit Conversion price for RSUs into common stock

Derivative RSUs exercised 4,456 units Restricted Stock Units converted into common stock

Key Terms

Restricted Stock Units, RSU, derivative security, Grant, award, or other acquisition

4 terms

Restricted Stock Units financial

"The reported shares were acquired in connection with the vesting of a restricted stock unit (RSU) award."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

RSU financial

"Each RSU represented the right to receive one share of the Issuer's common stock upon vesting"

Restricted stock units (RSUs) are a form of company shares given to employees as part of their compensation, usually with certain restrictions or conditions, such as remaining with the company for a set period. When these restrictions lift, employees receive actual shares that they can sell or hold. For investors, RSUs can impact a company's stock supply and reflect the company's commitment to attracting and retaining talent.

derivative security financial

"Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

Grant, award, or other acquisition financial

"transaction code description: Grant, award, or other acquisition"

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/08/2026 - 02:19 PM Accepted by SEC EDGAR 06/08/2026 - 02:19 PM

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Jenvey Nigel

(Last)

(First)

(Middle)

404 VETERANS AIRPARK LANE

SUITE 300

(Street)

MIDLAND

TEXAS

79705

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
NATURAL GAS SERVICES GROUP INC [ NGS ]

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

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/05/2026		A		4,456	A	⁽¹⁾	26,239	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽²⁾	06/05/2026		M			4,456	⁽²⁾	⁽²⁾	Common Stock	4,456	$0	0	D

Explanation of Responses:

1. Not applicable. The reported shares were acquired in connection with the vesting of a restricted stock unit (RSU) award.

2. Not applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash).

	Nigel J. Jenvey	06/08/2026
	** 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.
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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What did Nigel Jenvey report in this NGS Form 4 filing?

Nigel Jenvey reported acquiring 4,456 shares of NATURAL GAS SERVICES GROUP INC common stock. The shares came from the vesting of a restricted stock unit (RSU) award, not from an open-market purchase or sale, and increased his direct ownership position.

How many NGS shares did Nigel Jenvey acquire through RSU vesting?

He acquired 4,456 shares of NATURAL GAS SERVICES GROUP INC common stock. These shares were delivered upon vesting of a restricted stock unit (RSU) award, with each RSU representing one share, rather than being bought on the open market at a cash price.

What is Nigel Jenvey’s NGS common stock holding after this Form 4?

After the reported transactions, Nigel Jenvey directly owns 26,239 shares of NATURAL GAS SERVICES GROUP INC common stock. This total reflects the newly vested 4,456 shares received from the RSU award added to his existing holdings, as shown in the filing’s ownership table.

Were the NGS shares in this Form 4 bought or part of compensation?

The 4,456 NATURAL GAS SERVICES GROUP INC shares were part of equity compensation. They were issued upon vesting of a restricted stock unit (RSU) award at no cash cost, rather than purchased or sold in open-market transactions, according to the Form 4 transaction codes and footnotes.

What happened to Nigel Jenvey’s NGS restricted stock units in this filing?

The filing shows 4,456 restricted stock units were converted into an equal number of NATURAL GAS SERVICES GROUP INC common shares. After this derivative exercise, zero RSUs remain from that award, meaning the entire reported RSU grant has now fully vested and settled in shares.