InsiderTrades

Form 4 for NGS NATURAL GAS SERVICES GROUP INC

Accepted 2026-02-03 00:00:00 ET · period of report 2026-02-03 · accession 0001464667-26-000001 · 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 2026-02-03 2026-02-03 NGS Jacobs Justin CEO A - Grant — +10.5K 23.8K +79% —
D 2026-02-03 2026-02-03 NGS Jacobs Justin CEO F - Tax $34.52 -4,290 19.5K -18% -$148.1K
D 2026-02-03 2026-02-03 NGS Jacobs Justin CEO M - OptEx $0.00 +10.5K 10.5K +1,046,000% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-03 A A 10,460 — 23,783 D — — (F1) Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award.
2 Common Common Stock 2026-02-03 F D 4,290 $34.52 19,493 D — —
3 Derivative Restricted Stock Units 2026-02-03 M A 10,460 $0.00 10,461 D — · — to — 10,460 Common Stock (F2) Not applicable. Each RSU represents the right to receive one share of the Company's common stock upon vesting without payment.