NGS director receives 4,456 shares via RSU vesting

NATURAL GAS SERVICES GROUP director Jean K. Holley received 4,456 shares of common stock on the vesting of a restricted stock unit (RSU) award.

Accepted by SEC EDGAR 06/08/2026 - 02:44 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

NATURAL GAS SERVICES GROUP director Jean K. Holley received 4,456 shares of common stock on the vesting of a restricted stock unit (RSU) award. The RSUs converted on a one-for-one basis into common shares at no cash cost. Following this compensation-related grant and RSU conversion, Holley directly holds 18,846 shares of NATURAL GAS SERVICES GROUP common stock. No open-market purchases or sales were reported in this filing.

Insider Trade Summary

4,456 shares exercised/converted

Exercise 2 txns

Insider HOLLEY JEAN K

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	4,456	$0.00	$0.00
Grant/Award	Common Stock	4,456	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 0 contracts (Direct); Common Stock — 18,846 shares (Direct)

Footnotes (2)

1. F1. Not applicable. The reported shares were acquired in connection with the vesting of a restricted stock unit (RSU) award.
2. F2. Not applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash).

Key Figures

RSU shares vested: 4,456 shares Grant price: $0.0000 per share Shares after transaction: 18,846 shares +1 more

4 metrics

RSU shares vested 4,456 shares Restricted stock unit award converted to common stock

Grant price $0.0000 per share Reported transaction price for vested RSU shares

Shares after transaction 18,846 shares Director’s direct common stock holdings following RSU vesting

RSUs exercised 4,456 units Restricted stock units converted into common stock

Key Terms

Restricted Stock Units, vesting, derivative security

3 terms

Restricted Stock Units financial

"The reported shares were acquired in connection with the vesting of a restricted stock unit (RSU) award."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vesting financial

"The reported shares were acquired in connection with the vesting of a restricted stock unit (RSU) award."

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

derivative security financial

"Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

FAQ

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

What insider transaction did NGS director Jean K. Holley report?

Jean K. Holley reported acquiring 4,456 shares of NATURAL GAS SERVICES GROUP common stock through the vesting of a restricted stock unit (RSU) award. This was a compensation-related grant, not an open-market purchase or sale, and increased her direct share ownership.

How many NGS shares does Jean K. Holley own after this Form 4?

After the reported transactions, Jean K. Holley directly owns 18,846 shares of NATURAL GAS SERVICES GROUP common stock. This total reflects the addition of 4,456 shares received upon RSU vesting, with no reported dispositions or open-market trading activity in this filing.

Was cash paid for the NGS shares received by Jean K. Holley?

No cash was paid for these shares. The 4,456 NATURAL GAS SERVICES GROUP shares were issued at a reported price of $0.0000 per share, reflecting a restricted stock unit (RSU) vesting as part of compensation rather than an open-market purchase transaction.

What happened to the 4,456 NGS restricted stock units reported in the filing?

The 4,456 restricted stock units were exercised and converted into 4,456 shares of NATURAL GAS SERVICES GROUP common stock. Each RSU represented the right to receive one share upon vesting, and this filing shows that the RSU position was fully converted with no RSUs remaining.

Does this NGS Form 4 show any insider sales or gifts of shares?

The Form 4 does not show any sales or gifts. It reports only acquisitions related to compensation: a grant of 4,456 common shares through RSU vesting and the corresponding derivative RSU exercise, with no dispositions, tax withholding, or open-market transactions disclosed.

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

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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^*

HOLLEY JEAN K

(Last) (First) (Middle)

HERC HOLDINGS

27500 RIVERVIEW CENTER BLVD

(Street)

BONITA SPRINGS FLORIDA 34134

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	06/05/2026		A		4,456	A	(1)	18,846	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	(2)	06/05/2026		M			4,456	(2)	(2)	Common Stock	4,456	$0	0	D

Explanation of Responses:

1. Not applicable. The reported shares were acquired in connection with the vesting of a restricted stock unit (RSU) award.

2. Not applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash).

	Jean K. Holley	06/08/2026
	** 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.
* Form 4: SEC 1474 (03-26)