Natural Gas Services (NGS) awards CFO 10,506 restricted stock units

Rhea-AI Filing Summary

Eckert Ian M reported acquisition or exercise transactions in this Form 4 filing.

NATURAL GAS SERVICES GROUP INC reported an equity compensation award for its Chief Financial Officer, Ian M. Eckert. He received 10,506 Restricted Stock Units (RSUs), each representing the right to receive one share of common stock upon vesting without payment.

The award vests in one-third annual increments beginning on March 12, 2027, assuming his continuous service, with potential accelerated vesting under certain circumstances. As of this filing, he also holds 1,764 shares of common stock and 5,063 RSUs directly, indicating this is a routine, non‑market grant rather than an open‑market trade.

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^*

Eckert Ian M

(Last) (First) (Middle)

404 VETERANS AIRPARK LANE

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 Financial 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								1,764	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		10,506		(2)	(2)	Common Stock	10,506	$0	10,506	D
Restricted Stock Units	(3)							(3)	(3)	Common Stock	5,063		5,063	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.

	Ian M. Eckert	03/16/2026
	** 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).
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FAQ

What did NGS disclose about its CFO’s recent equity award?

NGS disclosed that its Chief Financial Officer, Ian M. Eckert, received 10,506 Restricted Stock Units as an equity award. Each RSU can convert into one share of common stock upon vesting, providing stock-based compensation instead of an immediate cash payment.

How do the new RSUs for the NGS CFO vest over time?

The 10,506 RSUs awarded to the NGS CFO vest in one-third annual increments beginning March 12, 2027. Vesting requires his continuous service for each vesting period, with the award subject to accelerated vesting under certain specified circumstances in the company’s equity plan.

Does the NGS CFO need to pay cash to receive shares from these RSUs?

No, each RSU awarded to the NGS CFO represents the right to receive one share of NGS common stock upon vesting without any cash payment. This structure aligns his compensation with shareholder interests through stock ownership rather than requiring an exercise price.

What are the NGS CFO’s reported holdings after this Form 4 filing?

After this filing, the NGS CFO is shown holding 1,764 shares of common stock directly and 5,063 Restricted Stock Units. These figures reflect his existing equity position alongside the newly granted 10,506 RSUs that will vest over time if service conditions are met.

Is the NGS CFO’s RSU grant an open-market stock purchase or sale?

The RSU grant to the NGS CFO is not an open-market purchase or sale. It is a compensation-related award under NGS’s 2019 Equity Incentive Plan, with no transaction price per share and vesting based on continued employment and plan terms.