Form4insider filings, from the source

Company · CIK 0001587732 · SIC 4924 — Natural Gas Distribution · NYSE

ONE Gas, Inc. · OGS

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

No reported common-stock activity in this period.

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 11, 2026 AForm 4 →Aug 13, 4:15 pm EDTNickolas StavropoulosDirector1,503$79.60$119,6151,503—