Form4insider filings, from the source

Insider · CIK 0001234619

Julie A Scott

Files at: FIBK. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $641k · 2net −$641k
$10k$10k$100k$100k$1M$1MbuyssalesJun 17Jul 2Jul 17Aug 2Aug 17Sep 1Sep 17

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 SForm 4 →Sep 16, 7:04 pm EDTFIRST INTERSTATE BANCSYSTEM INCFIBK2,700$37.64$101,628484,309−0.55%
Jul 27, 2026 GForm 4 →Jul 28, 6:34 pm EDTFIRST INTERSTATE BANCSYSTEM INCFIBK1,350——487,009—
Jun 18, 2026 SForm 4 →Jun 18, 5:51 pm EDTFIRST INTERSTATE BANCSYSTEM INCFIBK15,000$35.97$539,500488,359−2.98%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.