Form4insider filings, from the source

Insider · CIK 0002146309

Matthew John Ritter

Files at: FIBK. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 22, 2026 AForm 4 →Jul 24, 6:31 pm EDTFIRST INTERSTATE BANCSYSTEM INCFIBK1,806$38.97$70,3801,806—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.