Aaron James Deer - 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 $
$249,960
Form type
4
Date filed
2/26/2025, 03:50 PM
Previous filing
Feb 18, 2025
Next filing
Mar 4, 2025

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

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction COLB Restricted Stock Unit Award $125K +4.7K $26.60 4.7K Feb 25, 2025 Common Stock 4.7K Direct F1
transaction COLB Performance Restricted Stock Unit Award $62.5K +2.35K +33.59% $26.60 9.34K Feb 25, 2025 Common Stock 2.35K Direct F2
transaction COLB Performance Restricted Stock Unit Award $62.5K +2.35K +25.14% $26.60 11.7K Feb 25, 2025 Common Stock 2.35K Direct F3
* 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 33.33% per year over three years.
F2 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.
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 return on tangible common equity for fiscal years 2025-2027 compared to a Compensation Committee approved group of peers.