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

Rhea-AI Filing Summary

Donal J. Tringali, a director of Natural Gas Services Group, Inc. (NGS), reported multiple transactions in common stock on 08/08/2025. The filing discloses a purchase via dividend reinvestment and related changes to his beneficial holdings: 1,509 shares were disposed of (reported as D), an acquisition dated 08/08/2025 shows 13,615 shares held indirectly through a Rabbi Trust at an execution price of $24.78, and 4,456 restricted stock units (RSUs) are recorded as outstanding and directly held, each representing the right to one share upon vesting. The filing identifies Tringali as a director and indicates these transactions arose from deferred compensation and RSU arrangements.

Positive

• Timely and detailed disclosure of insider transactions, including price and ownership form (direct/indirect).
• Clear identification of compensation sources: dividend reinvestment and RSU awards, supporting transparency.

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine insider reporting shows dividend reinvestment, RSU holdings, and indirect ownership via a Rabbi Trust; no unusual trading patterns.

The Form 4 documents standard compensation-related and dividend-reinvestment activities rather than opportunistic trading. The $24.78 price tied to the 08/08/2025 acquisition is disclosed and the presence of 4,456 RSUs indicates future potential issuance upon vesting. Indirect ownership of 13,615 shares in a Rabbi Trust is notable for ownership disclosure but is consistent with deferred compensation practices. There are no indications of material, market-moving purchases or dispositions.

Corporate Governance Expert

TL;DR: This is a compliance-focused disclosure reflecting compensation and trust arrangements, with no governance red flags evident.

The filer is identified as a director and used prescribed mechanisms—dividend reinvestment, a Rabbi Trust, and RSUs—for compensation and ownership. Reporting appears timely and includes required detail on amounts and ownership form (direct versus indirect). The transactions align with common executive/director compensation structures; the record does not show unusual concentration changes or departures from standard governance disclosure practices.

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
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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^*

TRINGALI DONALD J

(Last) (First) (Middle)

404 VETERANS AIRPARK LN.

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)

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

3. Date of Earliest Transaction (Month/Day/Year)
08/08/2025

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								1,509	D
Common Stock	08/08/2025		A		34(1)	A	$24.78	13,615	I	Rabbi Trust

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	(2)							(2)	(2)	Common Stock	4,456		4,456	D

Explanation of Responses:

1. Shares acquired through reinvestment of cash dividend pursuant to the terms of the deferred compensation plan.

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

	Donal J. Tringali	08/25/2025
	** 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).
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.

FAQ

What transactions did Donal J. Tringali report on the NGS Form 4?

The Form 4 reports a transaction dated 08/08/2025: acquisition reflected at $24.78 with 13,615 shares held indirectly in a Rabbi Trust, 1,509 shares reported as disposed, and 4,456 RSUs directly held.

What is the nature of the 4,456 RSUs disclosed on the Form 4 for NGS?

Each Restricted Stock Unit represents the right to receive one share of the issuer's common stock upon vesting; the filing marks 4,456 RSUs as directly beneficially owned.

Why are 13,615 shares held in a Rabbi Trust listed as indirect ownership?

The filing states these shares are held in a Rabbi Trust, which is a deferred compensation arrangement resulting in indirect beneficial ownership reported on the Form 4.

Does the Form 4 indicate Donal Tringali's relationship to NGS?

Yes; the report identifies Donal J. Tringali as a Director of Natural Gas Services Group, Inc.