NGS director sells 100,000 shares in open market

NATURAL GAS SERVICES GROUP INC director Stephen Charles Taylor reported open-market sales of company common stock.

Rhea-AI Filing Summary

NATURAL GAS SERVICES GROUP INC director Stephen Charles Taylor reported open-market sales of company common stock. He sold 100,000 shares in total, including 70,000 shares at a weighted-average price of $37.5846 on one day and 30,000 shares at a weighted-average price of $37.2253 on the next day.

After these transactions, he directly owns 175,432 shares of common stock and holds an additional 114,961 shares indirectly through a Rabbi Trust, along with 4,456 Restricted Stock Units, each representing the right to receive one share of common stock upon vesting.

Insider Trade Summary

Net Seller: 100,000 shares

Net Sell 4 txns

Insider Taylor Stephen Charles

Role Director

Sold 100,000 shs ($3.75M)

Type	Security	Shares	Price	Value
Sale	Common Stock	30,000	$37.2253	$1.12M
Sale	Common Stock	70,000	$37.5846	$2.63M
holding	Restricted Stock Units	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 175,432 shares (Direct); Restricted Stock Units — 4,456 contracts (Direct); Common Stock — 114,961 shares (Indirect, Rabbi Trust)

Footnotes (3)

1. F1. The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $37.30 to $38.5596 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. F2. The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $37.1538 to $37.3455 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.
3. F3. Not applicable. Each Restricted Stock Unit represents the right to receive one share of the Issuer's common stock upon vesting.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did NGS director Stephen Charles Taylor report?

Stephen Charles Taylor reported open-market sales of NATURAL GAS SERVICES GROUP INC common stock totaling 100,000 shares. These sales were executed over two days at weighted-average prices in the high-$37 range, as disclosed in the Form 4 filing’s transaction details and footnotes.

How many NGS shares did Stephen Charles Taylor sell on each transaction date?

He sold 70,000 shares of NGS common stock on one date and 30,000 shares on the following date. Both sales were reported as open-market transactions, with prices expressed as weighted averages across multiple individual trades within narrow price ranges.

What prices did NGS director Stephen Charles Taylor receive for the sold shares?

The reported prices are weighted-average prices. One sale was at $37.5846 per share, the other at $37.2253 per share. Footnotes explain that actual trades occurred in multiple transactions within specified price ranges around those averages.

How many NGS shares does Stephen Charles Taylor own after these sales?

After the reported sales, he directly owns 175,432 shares of NATURAL GAS SERVICES GROUP INC common stock. The Form 4 also notes 114,961 shares held indirectly through a Rabbi Trust and 4,456 Restricted Stock Units representing rights to receive shares upon vesting.

What do the Restricted Stock Units reported by Stephen Charles Taylor represent?

The filing shows 4,456 Restricted Stock Units, with a footnote stating each unit represents the right to receive one share of NGS common stock upon vesting. These are not current shares but potential future shares delivered when vesting conditions are satisfied.

How are indirect NGS share holdings reported for Stephen Charles Taylor?

The Form 4 discloses 114,961 shares of NGS common stock held indirectly through a “Rabbi Trust.” This is labeled with an indirect ownership code, indicating the shares are not held in his name directly but are still reported as beneficially owned.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/09/2026 - 04:18 PM Learn about SEC filing dates

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).

X

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)
03/05/2026

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	03/05/2026		S		70,000	D	$37.5846(1)	205,432	D
Common Stock	03/06/2026		S		30,000	D	$37.2253(2)	175,432	D
Common Stock								114,961	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	(3)							(3)	(3)	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 $37.30 to $38.5596 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. The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $37.1538 to $37.3455 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.

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

	Stephen C. Taylor	03/09/2026
	** 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).
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.