InsiderTrades

Form 4 for COLB COLUMBIA BANKING SYSTEM, INC.

Accepted 2025-01-03 00:00:00 ET · period of report 2025-01-01 · accession 0000887343-25-000002 · 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 2025-01-03 2025-01-01 COLB BARUFFI KUMI YAMAMOTO GC, Corp. Sec F - Tax $27.01 -1,461 56.5K -3% -$39.5K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-01-01 F D 689 $27.01 57,295 D — —
2 Common Common Stock 2025-01-01 F D 772 $27.01 56,523 D — —