COLUMBIA BANKING SYSTEM, INC.

Insider Reports History

Location
Tacoma, WA
Signature
/s/ Andrea M. Newburn, Attorney-in-fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by COLUMBIA BANKING SYSTEM, INC.:

Company Role Class Num Shares Value Price $ Report Date Ownership
COLUMBIA BANKING SYSTEM, INC. EVP, Chief Accounting Officer Common Stock 10,860 $277,690 $25.57 20 Nov 2025 Direct

Insider Reports Filed by COLUMBIA BANKING SYSTEM, INC.

Symbol Company Period Transactions Value $ Form Type Role Filing Time
COLB COLUMBIA BANKING SYSTEM, INC. 20 Nov 2025 0 $0 3 EVP, Chief Accounting Officer 01 Dec 2025, 17:40