Form 4 for NGS NATURAL GAS SERVICES GROUP INC
Accepted 2026-06-08 15:00:16 ET · period of report 2026-06-05 · accession 0001199696-26-000002 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-06-08 15:00 | 2026-06-05 | NGS | TRINGALI DONALD J | Dir | A - Grant | — | +446 | 1,955 | +30% | — |
| DI | 2026-06-08 15:00 | 2026-06-05 | NGS | TRINGALI DONALD J | Dir | A - Grant | — | +4,010 | 17.7K | +29% | — |
| D | 2026-06-08 15:00 | 2026-06-05 | NGS | TRINGALI DONALD J | Dir | M - OptEx | $0.00 | -4,456 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-06-05 | A | A | 446 | — | 1,955 | D | — | — | (F1) Not applicable. The reported shares were acquired in connection with the vesting of a restricted stock unit (RSU) award. |
| 2 | Common | Common Stock | 2026-06-05 | A | A | 4,010 | — | 17,714 | I Rabbi Trust | — | — | (F1) Not applicable. The reported shares were acquired in connection with the vesting of a restricted stock unit (RSU) award. |
| 3 | Derivative | Restricted Stock Units | 2026-06-05 | M | D | 4,456 | $0.00 | 0 | D | — · — to — | 4,456 Common Stock | (F2) Not 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). (F2) Not 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). (F2) Not 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). |