SEC Form 4 · accession 0001199696-26-000004
NATURAL GAS SERVICES GROUP INC · NGS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Donald J Tringali
Director
Period of report
Jun 10, 2026
Accepted (ET)
Jun 11, 2026 · 10:27 am EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001084991
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | holding | — | — | — | 17,763 | I | Rabbi Trust | |
| Common Stock | holding | — | — | — | 1,955 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF1,F2 | — | Jun 10, 2026 | A | 4,574 | A | — | — | Common Stock | 4,574 | 4,574 | D |
Explanation of responses
- F1Not applicable. Each Restricted Stock Unit represents the right to receive one share of the Issuer's common stock upon vesting.
- F2Not Applicable. The acquisition reflects an award of Restricted Stock Units pursuant to the Company's 2019 Equity Incentive Plan. The award vests on the first anniversary of the grant date, subject to accelerated vesting under certain circumstances.