Form4insider filings, from the source

Insider · CIK 0001084960

Simone Lagomarsino

Files at: COLB, LBC, PPBI, HEOP. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 2, 2026 AForm 4 →Sep 4, 4:41 pm EDTCOLUMBIA BANKING SYSTEM, INC.COLB2,670——2,670—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.