Elizabeth Whitehead Seaton - May 15, 2025 Form 4 Insider Report for COLUMBIA BANKING SYSTEM, INC. (COLB)

Role
Director
Signature
/s/ Lisa M. White, Attorney-in-fact
Stock symbol
COLB
Transactions as of
May 15, 2025
Transactions value $
$0
Form type
4
Date filed
5/16/2025, 09:51 PM
Previous filing
May 14, 2024

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SEATON ELIZABETH WHITEHEAD Director C/O COLUMBIA BANKING SYSTEM, INC., PO BOX 2156, MS 3100, TACOMA /s/ Lisa M. White, Attorney-in-fact 2025-05-16 0001610217

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction COLB Common Stock Award $0 +3.38K +11.59% $0.00 32.6K May 15, 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.