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NGS Insider Filing: 759-Share Sale by Director Under 10b5-1 Plan

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

Rhea-AI Filing Summary

Stephen C. Taylor, a director of Natural Gas Services Group Inc. (NGS), reported an insider sale and updated holdings on this Form 4. The filing shows a sale of 759 shares of common stock on 09/25/2025 at $28.50 per share executed under a Rule 10b5-1 trading plan established May 16, 2025. After the sale, Mr. Taylor beneficially owns 383,347 shares directly and 114,213 shares indirectly (held in a Rabbi Trust). He also holds 4,456 restricted stock units that convert to common shares on vesting. The Form 4 discloses only the transaction and current holdings; no other material events are reported.

Positive

  • Sale executed under a Rule 10b5-1 trading plan, indicating preplanned, compliant transaction timing
  • Substantial retained ownership: 383,347 shares directly and 114,213 shares indirectly, aligning the director with shareholders
  • Clear disclosure of RSUs: 4,456 restricted stock units identified, with one-for-one share conversion upon vesting

Negative

  • Insider sale of 759 shares may be perceived negatively by some investors despite being under a 10b5-1 plan

Insights

TL;DR: Director executed a small, preplanned sale under a 10b5-1 plan and retains significant direct and indirect holdings.

Stephen C. Taylor sold 759 shares at $28.50 under a Rule 10b5-1 plan dated May 16, 2025. The use of a documented trading plan reduces the likelihood the sale was based on non-public information and supports compliance practices. Post-transaction beneficial ownership remains concentrated with 383,347 direct shares plus 114,213 indirect shares in a Rabbi Trust, maintaining substantial alignment with shareholders. The filing contains no contemporaneous exercise of derivatives or other compensatory transactions beyond the disclosed RSUs.

TL;DR: Disclosure is routine and consistent with governance norms; no new governance issues disclosed.

The Form 4 provides clear disclosure of an insider sale via an established 10b5-1 plan and itemizes current direct and indirect holdings, including 4,456 RSUs. From a governance perspective, documented trading plans and reporting of indirect holdings (Rabbi Trust) meet standard transparency expectations. The filing does not indicate any abnormal trading pattern or additional related-party transactions.

Insider Taylor Stephen Charles
Role Director
Sold 759 shs ($22K)
Type Security Shares Price Value
Sale Common Stock 759 $28.50 $22K
holding Restricted Stock Units -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 383,347 shares (Direct); Restricted Stock Units — 4,456 shares (Direct); Common Stock — 114,213 shares (Indirect, Rabbi Trust)
Footnotes (1)
  1. The sale reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025. 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
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).
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)
09/25/2025
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 09/25/2025 S 759(1) D $28.5 383,347 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 sale reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.
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 09/25/2025
** 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

FAQ

What did Stephen C. Taylor report in the Form 4 for NGS?

The Form 4 reports a sale of 759 shares at $28.50 on 09/25/2025 and shows post-transaction ownership of 383,347 direct shares and 114,213 indirect shares.

Was the sale by the NGS director part of a trading plan?

Yes. The sale was executed pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

How many restricted stock units does the reporting person hold?

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

Does the Form 4 show indirect holdings for Stephen C. Taylor?

Yes. The filing discloses 114,213 shares of indirect beneficial ownership held in a Rabbi Trust.

Does the filing disclose any derivative transactions or exercises?

No. Table II shows restricted stock units only; there are no derivative exercises or option transactions reported on this Form 4.