Justin C. Jacobs - 03 Feb 2026 Form 4 Insider Report for NATURAL GAS SERVICES GROUP INC (NGS)

Role
Chief Executive Officer
Signature
Justin C. Jacobs
Issuer symbol
NGS
Transactions as of
03 Feb 2026
Net transactions value
-$148,091
Form type
4
Filing time
03 Feb 2026, 12:03:50 UTC
Previous filing
17 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Jacobs Justin Chief Executive Officer 404 VETERANS AIRPARK DRIVE, SUITE 300, MIDLAND Justin C. Jacobs 03 Feb 2026 0001464667

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NGS Common Stock Award +10,460 +79% 23,783 03 Feb 2026 Direct F1
transaction NGS Common Stock Tax liability $148,091 -4,290 -18% $34.52 19,493 03 Feb 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction NGS Restricted Stock Units Options Exercise $0 +10,460 +1046000% $0.000000 10,461 03 Feb 2026 Common Stock 10,460 Direct F2
holding NGS Restricted Stock Units 30,420 03 Feb 2026 Common Stock 30,420 Direct F2
holding NGS Restricted Stock Units 4,667 03 Feb 2026 Common Stock 4,667 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award.
F2 Not applicable. Each RSU represents the right to receive one share of the Company's common stock upon vesting without payment.