Brian L. Tucker - 03 Nov 2025 Form 4 Insider Report for NATURAL GAS SERVICES GROUP INC (NGS)

Signature
Brian L. Tucker
Issuer symbol
NGS
Transactions as of
03 Nov 2025
Net transactions value
-$107,156
Form type
4
Filing time
03 Nov 2025, 17:07:13 UTC
Previous filing
10 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Tucker Brian L President & COO 1250 NE LOOP 410, #1000, SAN ANTONIO Brian L. Tucker 03 Nov 2025 0001629779

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NGS Common Stock Award +128 +2.5% 5,327 03 Nov 2025 Direct F1
transaction NGS Common Stock Award +2,486 +47% 7,813 03 Nov 2025 Direct F1
transaction NGS Common Stock Award +1,909 +24% 9,722 03 Nov 2025 Direct F1
transaction NGS Common Stock Award +6,250 +64% 15,972 03 Nov 2025 Direct F2
transaction NGS Common Stock Award +1,910 +12% 17,882 03 Nov 2025 Direct F2
transaction NGS Common Stock Tax liability $107,156 -3,849 -22% $27.84 14,033 03 Nov 2025 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 +128 $0.000000 0 03 Nov 2025 Common Stock 128 Direct F3, F4
transaction NGS Restricted Stock Units Options Exercise $0 +2,486 $0.000000 0 03 Nov 2025 Common Stock 2,486 Direct F3, F5
transaction NGS Restricted Stock Units Options Exercise $0 +1,909 $0.000000 0 03 Nov 2025 Common Stock 1,909 Direct F3, F6
* 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. Represents shares acquired in connection with the vesting of A Performance Share Award ("PSU").
F3 Not applicable. Each RSU and/or PSU represents the right to receive one share of the Company's common stock upon vesting without payment.
F4 A total of 1,992 RSUs from the 2023 RSU Grant were forfeited in connection with the reporting person's retirement.
F5 A total of 5,043 RSUs from the 2024 RSU Grant were forfeited in connection with the reporting person's retirement.
F6 A total of 7,105 RSUs from the 2025 RSU Grant were forfeited in connection with the reporting person's retirement.