NATURAL GAS SERVICES (NGS) insider sales and updated holdings

Rhea-AI Filing Summary

NATURAL GAS SERVICES GROUP INC (NGS) reported insider transactions by director Stephen C. Taylor. On 11/19/2025 he sold 10,000 shares of common stock at a price of $30.31 per share, and on 11/20/2025 he sold an additional 10,000 shares at a price of $31.37 per share.

After these sales, he beneficially owned 315,432 shares of NGS common stock directly and 114,213 shares indirectly through a Rabbi Trust. He also held 4,456 restricted stock units, each representing the right to receive one share of common stock upon vesting.

Insider Trade Summary

Net Seller: 20,000 shares ($616,800)

Net Sell 4 txns

Insider Taylor Stephen Charles

Role Director

Sold 20,000 shs ($617K)

Type	Security	Shares	Price	Value
Sale	Common Stock	10,000	$31.37	$314K
Sale	Common Stock	10,000	$30.31	$303K
holding	Restricted Stock Units	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 315,432 shares (Direct); Restricted Stock Units — 4,456 shares (Direct); Common Stock — 114,213 shares (Indirect, Rabbi Trust)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Taylor Stephen Charles

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/19/2025

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	11/19/2025		S		10,000	D	$30.31	325,432	D
Common Stock	11/20/2025		S		10,000	D	$31.37	315,432	D
Common Stock								114,213	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	(1)							(1)	(1)	Common Stock	4,456		4,456	D

Explanation of Responses:

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

	Stephen C. Taylor	11/20/2025
	** 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 insider transactions were reported for NATURAL GAS SERVICES GROUP INC (NGS)?

The filing reports that director Stephen C. Taylor sold 10,000 NGS common shares on 11/19/2025 at $30.31 per share and 10,000 shares on 11/20/2025 at $31.37 per share.

How many NATURAL GAS SERVICES GROUP INC (NGS) shares does the director own after the reported sales?

Following the reported transactions, the director beneficially owned 315,432 NGS common shares directly and 114,213 shares indirectly through a Rabbi Trust.

What is the directors relationship to NATURAL GAS SERVICES GROUP INC (NGS)?

The reporting person, Stephen C. Taylor, is identified as a director of NATURAL GAS SERVICES GROUP INC (NGS).

What are the restricted stock units mentioned in the NGS Form 4 filing?

The filing notes 4,456 restricted stock units, each representing the right to receive one share of NGS common stock upon vesting. These are held directly.

What does indirect ownership through a Rabbi Trust mean for NGS shares?

The filing shows 114,213 NGS shares held as indirect beneficial ownership through a Rabbi Trust, meaning the director has beneficial interest in shares held in that trust arrangement.

Is the Form 4 for NGS filed by one or multiple reporting persons?

The Form 4 is marked as filed by one reporting person, indicating that only Stephen C. Taylor is reporting transactions in this filing.