Form4insider filings, from the source

Company · CIK 0001084991 · SIC 1389 — Oil & Gas Field Services, NEC · NYSE

NATURAL GAS SERVICES GROUP INC · NGS

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 2, 2026 AForm 4 →Sep 3, 3:15 pm EDTDonald J TringaliDirector59$35.22$2,07813,812—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.