| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| TRINGALI DONALD J | Director | C/O NATURAL GAS SERVICES GROUP INC, 404 VETERANS AIRPARK LANE SUITE 300, MIDLAND | Donald J. Tringali | 06 Mar 2026 | 0001199696 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NGS | Common Stock | Award | +40 | +0.29% | $37.52* | 13,704 | 04 Mar 2026 | Rabbi Trust | F1 | |
| holding | NGS | Common Stock | 1,509 | 04 Mar 2026 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | NGS | Restricted Stock Units | 4,456 | 04 Mar 2026 | Common Stock | 4,456 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Shares acquired through reinvestment of cash dividends pursuant to the terms of the deferred compensation plan. |
| F2 | Not applicable. Each Restricted Stock Unit represents the right to receive one share of the Issuer's common stock upon vesting. |