InsiderTrades

Form 4 for COLB COLUMBIA BANKING SYSTEM, INC.

Accepted 2025-03-04 00:00:00 ET · period of report 2025-02-28 · accession 0000887343-25-000104 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2025-03-04 2025-02-28 COLB Namdar Frank Chief Credit Off F - Tax $26.73 -2,775 33.4K -8% -$74.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-02-28 F D 902 $26.73 35,267 D — —
2 Common Common Stock 2025-02-28 F D 1,873 $26.73 33,394 D — —