[Form 4] Natural Gas Services Group, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Jean K. Holley, filing on behalf of HERC Holdings, reported insider activity in Natural Gas Services Group, Inc. (NGS) on 09/04/2025. The filing shows a purchase of 3,752 shares of NGS common stock at a price of $26.579 per share, bringing Ms. Holley’s beneficial ownership to 7,800 shares after the transaction. The report also discloses 7,921 restricted stock units (RSUs) held that each represent the right to receive one share or a cash equivalent upon vesting. The form identifies the reporting person as a Director and is signed by Jean K. Holley.

Insights

Financial Analyst

TL;DR: Director purchased 3,752 shares at $26.579, increasing direct holdings to 7,800 shares; 7,921 RSUs outstanding.

The filing documents a straightforward open-market purchase that increases the director’s direct stake in NGS by 3,752 shares on 09/04/2025 at $26.579 per share. This raises reported direct beneficial ownership to 7,800 shares. Separate from the open-market trade, the filing discloses 7,921 RSUs that convert to common stock or cash on vesting, which represents an additional contingent ownership position. The transaction is material as a director-level change in ownership but the filing does not provide company-wide context such as percentage ownership of total shares outstanding, so market-impact assessment is limited to the facts reported.

Corporate Governance Expert

TL;DR: Director-level purchase and RSU holdings disclosed; filing complies with Section 16 reporting requirements.

The Form 4 identifies Jean K. Holley as a director and records both a purchase and existing restricted stock units. The report includes transaction code entries and a manual signature, meeting the structural elements required for Section 16 disclosure. The presence of RSUs indicates compensation-related equity that will convert on vesting, while the reported purchase shows additional direct ownership. The form does not include any amendments or caveats beyond the standard explanation that each RSU equals one share or cash equivalent.

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^*

HOLLEY JEAN K

(Last) (First) (Middle)

HERC HOLDINGS

27500 RIVERVIEW CENTER BLVD

(Street)

BONITA SPRINGS FL 34134

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
09/04/2025

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	09/04/2025		P		3,752	A	$26.579	7,800	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	(1)							(1)	(1)	Common Stock	7,921		7,921	D

Explanation of Responses:

1. Not applicable. Each Restricted Stock Unit represents the right to receive one share of the Issuer's common stock or cash equivalent upon vesting.

	Jean K. Holley	09/04/2025
	** 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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