Natural Gas Services Group (NGS) director reports 20,000-share sale and RSU holdings

Rhea-AI Filing Summary

Natural Gas Services Group, Inc. (NGS) director Stephen C. Taylor reported a sale of company stock. On 12/04/2025, he sold 20,000 shares of common stock in an open-market transaction at a weighted-average price of $32.12 per share, with individual sale prices ranging from $31.83 to $32.28. After this transaction, he beneficially owns 295,432 shares directly and 114,213 shares indirectly through a Rabbi Trust. He also holds 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 ($642,400)

Net Sell 3 txns

Insider Taylor Stephen Charles

Role Director

Sold 20,000 shs ($642K)

Type	Security	Shares	Price	Value
Sale	Common Stock	20,000	$32.12	$642K
holding	Restricted Stock Units	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 295,432 shares (Direct); Restricted Stock Units — 4,456 shares (Direct); Common Stock — 114,213 shares (Indirect, Rabbi Trust)

Footnotes (1)

1. The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $31.83 to $32.28 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Not applicable. Each Restricted Stock Unit represents the right to receive one share of the Issuer's common stock upon vesting.

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
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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)
12/04/2025

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	12/04/2025		S		20,000	D	$32.12(1)	295,432	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	(2)							(2)	(2)	Common Stock	4,456		4,456	D

Explanation of Responses:

1. The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $31.83 to $32.28 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

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

	Stephen C. Taylor	12/05/2025
	** 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 transaction did NGS director Stephen C. Taylor report?

Director Stephen C. Taylor reported selling 20,000 shares of Natural Gas Services Group, Inc. (NGS) common stock on 12/04/2025 in an open-market transaction.

At what price were the NGS shares sold in this Form 4 filing?

The 20,000 NGS shares were sold at a weighted-average price of $32.12 per share, with individual sale prices ranging from $31.83 to $32.28.

How many NGS shares does Stephen C. Taylor own after this transaction?

Following the sale, Stephen C. Taylor beneficially owns 295,432 NGS common shares directly and 114,213 shares indirectly through a Rabbi Trust.

What restricted stock units (RSUs) does the NGS director hold?

He holds 4,456 restricted stock units, each representing the right to receive one share of NGS common stock upon vesting.

What does the weighted-average price disclosure in the NGS Form 4 mean?

The filing explains that the reported price of $32.12 is a weighted-average because the 20,000 shares were sold in multiple trades between $31.83 and $32.28. The reporting person undertakes to provide full trade details upon request.

What is the relationship of the reporting person to NGS?

Stephen C. Taylor is identified as a director of Natural Gas Services Group, Inc. (NGS) in the ownership section of the filing.