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Natural Gas Services Group (NYSE: NGS) COO nets 2,121 shares after RSU vesting

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Natural Gas Services Group President & COO Brian L. Tucker reported the vesting and settlement of 2,121 Restricted Stock Units into an equal number of common shares on October 9, 2025. 644 common shares were delivered to cover tax obligations at $27.1000 per share. After these transactions, he directly holds 5,199 common shares and 18,663 Restricted Stock Units.

Positive

  • None.

Negative

  • None.

Insights

Insider received vested RSUs and executed a small sale the same day.

The report documents the vesting of 2,121 RSUs that converted into the same number of common shares, increasing the reporting person’s direct holdings. The filing also shows a concurrent sale or disposition of 644 shares at $27.10.

The combination of vesting plus a partial sale is a routine liquidity action for insiders after RSU vesting. Monitor subsequent Section 16 filings for any additional sales or open-market purchases over the next few reporting periods to understand ongoing insider liquidity patterns.

RSU vesting is part of equity compensation; no cash payment was required for conversion.

The explanatory note states each RSU represents the right to one share upon vesting without payment, so the 2,121 shares reflect compensation realization rather than a new grant issuance. The presence of multiple RSU balances (2,120, 7,529, 9,014) indicates outstanding unvested or previously reported awards.

Material implications are limited to dilution and executive compensation accounting; watch for future disclosures on grant schedules or equity-based expense in upcoming periodic reports within the next fiscal quarter.

Insider Tucker Brian L
Role President & COO
Type Security Shares Price Value
Exercise Restricted Stock Units 2,121 $0.00 $0.00
Grant/Award Common Stock 2,121 $0.00 $0.00
Exercise Price or Tax Liability Common Stock 644 $27.10 $17K
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
Holdings After Transaction: Restricted Stock Units — 18,663 shares (Direct); Common Stock — 5,199 shares (Direct)
Footnotes (2)
  1. F1. Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award.
  2. F2. Not applicable. Each RSU represents the right to receive one share of the Company's common stock upon vesting without payment.
RSUs vested 2,121 shares Restricted Stock Units converting to common stock on October 9, 2025
Tax withholding shares 644 shares Common shares delivered to satisfy tax obligations at $27.1000 per share
Tax withholding price 27.1000 per share Per-share value used for the tax-withholding disposition of common stock
Post-transaction common shares 5,199 shares Common stock held directly by Brian L. Tucker after reported transactions
Post-transaction RSUs 18,663 units Restricted Stock Units held directly after the October 9, 2025 vesting and tax withholding
Restricted Stock Units financial
"Represents shares 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.
tax-withholding disposition financial
"Payment of exercise price or tax liability by delivering securities."
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
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.

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

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FAQ

What insider transaction did NGS President & COO Brian L. Tucker report?
Brian L. Tucker reported 2,121 RSUs vesting into common stock on October 9, 2025, with 644 shares delivered to cover tax obligations. After these transactions, he directly holds 5,199 common shares and 18,663 Restricted Stock Units.

How many Natural Gas Services (NGS) RSUs vested for Brian L. Tucker?
A total of 2,121 Restricted Stock Units vested for Brian L. Tucker, converting into an equal number of common shares. Each RSU represents the right to receive one share of common stock upon vesting without payment, as described in the filing footnotes.

How many NGS shares were used to cover Brian L. Tucker’s tax obligations?
The filing reports 644 common shares were delivered to satisfy tax obligations at $27.1000 per share. This is coded as a tax-withholding disposition, meaning the shares were used to pay taxes rather than sold in an open-market transaction.

What are Brian L. Tucker’s NGS common share holdings after these transactions?
After the reported transactions, Brian L. Tucker directly holds 5,199 common shares of Natural Gas Services Group. This post-transaction balance is provided in the canonical holdings summary and reflects his direct ownership position in the company’s common stock.

How many Restricted Stock Units does Brian L. Tucker still hold in NGS?
Following the October 9, 2025 transactions, Brian L. Tucker holds 18,663 Restricted Stock Units. These RSUs represent rights to receive an equal number of Natural Gas Services Group common shares upon future vesting events, without additional payment at exercise.

Were Brian L. Tucker’s NGS transactions classified as purchases or sales?
The filing shows a mix of actions: an exercise of 2,121 RSUs and an award of 2,121 common shares, plus a tax-withholding disposition of 644 shares. The tax-withholding entry reflects shares delivered for taxes rather than a traditional market sale.
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*
Tucker Brian L
(Last) (First) (Middle)
1250 NE LOOP 410
#1000
(Street)
SAN ANTONIO TX 78209
(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)
Director 10% Owner
X Officer (give title below) Other (specify below)
President & COO
3. Date of Earliest Transaction (Month/Day/Year)
10/09/2025
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 10/09/2025 A 2,121 A (1) 5,843 D
Common Stock 10/09/2025 F 644 D $27.1 5,199 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) 10/09/2025 M 2,121 (2) (2) Common Stock 2,121 $0 2,120 D
Restricted Stock Units (2) (2) (2) Common Stock 7,529 7,529 D
Restricted Stock Units (2) (2) (2) Common Stock 9,014 9,014 D
Explanation of Responses:
1. Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award.
2. Not applicable. Each RSU represents the right to receive one share of the Company's common stock upon vesting without payment.
Brian L. Tucker 10/10/2025
** 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.

Source: View Original Filing on SEC EDGAR