Natural Gas Services (NGS) CEO granted 27,647 RSUs as equity award

Rhea-AI Filing Summary

Jacobs Justin reported acquisition or exercise transactions in this Form 4 filing.

NATURAL GAS SERVICES GROUP INC Chief Executive Officer Justin Jacobs reported an equity award on a Form 4. On March 12, 2026, he received 27,647 Restricted Stock Units (RSUs), each representing one share of common stock upon vesting without payment.

The award was granted under the company’s 2019 Equity Incentive Plan and vests in one-third annual increments beginning on March 12, 2027, assuming his continuous service, with potential accelerated vesting in certain circumstances. The filing also lists other existing RSU positions and 19,493 shares of common stock held directly.

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^*

Jacobs Justin

(Last) (First) (Middle)

404 VETERANS AIRPARK DRIVE

SUITE 300

(Street)

MIDLAND TX 79705

(City) (State) (Zip)

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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/12/2026

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								19,493	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 Units	$0(1)	03/12/2026		A		27,647		(2)	(2)	Common Stock	27,647	$0	27,647	D
Restricted Stock Units	(3)							(3)	(3)	Common Stock	10,461		10,461	D
Restricted Stock Units	(3)							(3)	(3)	Common Stock	30,420		30,420	D
Restricted Stock Units	(3)							(3)	(3)	Common Stock	4,667		4,667	D

Explanation of Responses:

1. Not Applicable. Each RSU represents the right to receive one share of Common Stock upon vesting without payment.

2. Not Applicable. The acquisition reflects an award of Restricted Stock Units pursuant to the Company's 2019 Equity Incentive Plan. The award vests in one-third annual increments beginning on March 12, 2027, assuming continuous service by the Reporting Person during each vesting increment, subject to accelerated vesting under certain circumstances.

3. Not Applicable. Each RSU represents the right to receive one share of Company common stock upon vesting without payment.

	Justin C. Jacobs	03/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did NGS CEO Justin Jacobs report on this Form 4?

Justin Jacobs reported receiving a grant of 27,647 Restricted Stock Units on March 12, 2026. These RSUs are a stock-based compensation award that converts into common shares as they vest over time, aligning his interests with Natural Gas Services Group Inc shareholders.

How many Restricted Stock Units did NGS grant to its CEO Justin Jacobs?

Natural Gas Services Group Inc granted CEO Justin Jacobs 27,647 Restricted Stock Units. Each RSU represents the right to receive one share of common stock upon vesting without any cash payment, providing long-term equity-based compensation tied directly to the company’s share performance.

What is the vesting schedule for Justin Jacobs’ 27,647 RSU award at NGS?

The 27,647 RSUs granted to Justin Jacobs vest in one-third annual increments beginning on March 12, 2027. Vesting requires his continuous service with Natural Gas Services Group Inc, and the award is subject to accelerated vesting under certain specified circumstances described in the company’s equity plan.

Do the RSUs granted to NGS CEO Justin Jacobs require any payment to receive shares?

No, the RSUs do not require payment to receive shares. Each Restricted Stock Unit represents the right to receive one share of Natural Gas Services Group Inc common stock upon vesting without any cash consideration, making them a pure equity-based compensation instrument for the CEO.

Did Justin Jacobs buy or sell NGS common stock in this Form 4 filing?

The Form 4 does not show any open-market purchases or sales of NGS common stock by Justin Jacobs. It reports a grant of 27,647 Restricted Stock Units as compensation and lists his existing RSU and common stock holdings, without recording a buy or sell transaction.

What other NGS equity holdings for Justin Jacobs are shown alongside the new RSU grant?

Alongside the new grant, the filing shows Justin Jacobs holding several existing RSU positions, including blocks tied to 10,461, 30,420, and 4,667 underlying common shares, plus 19,493 shares of common stock held directly. These holdings provide additional long-term equity exposure to Natural Gas Services Group Inc.