Form 4 for NGS NATURAL GAS SERVICES GROUP INC
Accepted 2025-11-03 00:00:00 ET · period of report 2025-11-03 · accession 0001629779-25-000002 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-11-03 | 2025-11-03 | NGS | Tucker Brian L | Pres, COO | A - Grant | — | +12.7K | 17.9K | +244% | — |
| D | 2025-11-03 | 2025-11-03 | NGS | Tucker Brian L | Pres, COO | F - Tax | $27.84 | -3,849 | 14.0K | -22% | -$107.2K |
| DM | 2025-11-03 | 2025-11-03 | NGS | Tucker Brian L | Pres, COO | M - OptEx | $0.00 | +4,523 | 0 | New | $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 | 2025-11-03 | A | A | 128 | — | 5,327 | D | — | — | (F1) Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award. |
| 2 | Common | Common Stock | 2025-11-03 | A | A | 2,486 | — | 7,813 | D | — | — | (F1) Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award. |
| 3 | Common | Common Stock | 2025-11-03 | A | A | 1,909 | — | 9,722 | D | — | — | (F1) Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award. |
| 4 | Common | Common Stock | 2025-11-03 | A | A | 6,250 | — | 15,972 | D | — | — | (F2) Not applicable. Represents shares acquired in connection with the vesting of A Performance Share Award ("PSU"). |
| 5 | Common | Common Stock | 2025-11-03 | F | D | 3,849 | $27.84 | 14,033 | D | — | — | |
| 6 | Common | Common Stock | 2025-11-03 | A | A | 1,910 | — | 17,882 | D | — | — | (F2) Not applicable. Represents shares acquired in connection with the vesting of A Performance Share Award ("PSU"). |
| 7 | Derivative | Restricted Stock Units | 2025-11-03 | M | A | 2,486 | $0.00 | 0 | D | — · — to — | 2,486 Common Stock | (F5) A total of 5,043 RSUs from the 2024 RSU Grant were forfeited in connection with the reporting person's retirement. (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. |
| 8 | Derivative | Restricted Stock Units | 2025-11-03 | M | A | 128 | $0.00 | 0 | D | — · — to — | 128 Common Stock | (F4) A total of 1,992 RSUs from the 2023 RSU Grant were forfeited in connection with the reporting person's retirement. (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. |
| 9 | Derivative | Restricted Stock Units | 2025-11-03 | M | A | 1,909 | $0.00 | 0 | D | — · — to — | 1,909 Common Stock | (F6) A total of 7,105 RSUs from the 2025 RSU Grant were forfeited in connection with the reporting person's retirement. (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. |