Drew K. Anderson - Feb 25, 2025 Form 4 Insider Report for COLUMBIA BANKING SYSTEM, INC. (COLB)

Signature
/s/ Lisa M. White, Attorney-in-fact
Stock symbol
COLB
Transactions as of
Feb 25, 2025
Transactions value $
$1,399,931
Form type
4
Date filed
2/26/2025, 03:41 PM
Previous filing
Feb 18, 2025
Next filing
Mar 4, 2025

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units granted 02/25/2025. The grant will vest 100% on or about March 15th, 2030.
F2 Restricted stock units granted 02/25/2025. The grant will vest 33.33% per year over three years.
F3 Performance restricted stock units granted 02/25/2025. The grant will vest approximately three years following the grant date based on the issuer's relative total shareholder return performance for fiscal years 2025-2027 compared to a Compensation Committee approved group of peers.
F4 Performance restricted stock units granted 02/25/2025. The grant will vest approximately three years following the grant date based on the issuer's relative return on tangible common equity for fiscal years 2025-2027 compared to a Compensation Committee approved group of peers.