SEC Form 4 · accession 0001199696-26-000002
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 5, 2026
Accepted (ET)
Jun 8, 2026 · 3:00 pm 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 StockF1 | Jun 5, 2026 | A | 446 | — | A | 1,955 | D | |
| Common StockF1 | Jun 5, 2026 | A | 4,010 | — | A | 17,714 | I | Rabbi Trust |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF2 | — | Jun 5, 2026 | M | 4,456 | D | — | — | Common Stock | 4,456 | 0 | D |
Explanation of responses
- F1Not applicable. The reported shares were acquired in connection with the vesting of a restricted stock unit (RSU) award.
- F2Not applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash).