STEIN CLINT (EVP, COO & CFO) exercised options at COLUMBIA BANKING SYSTEM, INC.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 3/17/2026ACC: 0001550429-26-000002
Officer· EVP, COO & CFO
Since Jul 2018
-7.15K
Net shares
Net seller
$187.6K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
18.17K acquired · 25.32K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+18.17K
Price / share
$26.23
Trade value
$476.63K
% of position
12.9%
3/13/2026
140.56K→158.74K
Common Stock
Direct
Shares
−7.15K
Price / share
$26.23
Trade value
$187.57K
% of position
4.5%
3/13/2026
158.74K→151.58K
Total
Net shares
+11.02K
Net value
$289.05K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/13/2026 | M · Option Exercise | +18.17K | $26.23 | $476.63K | 12.9% | 140.56K | 158.74K |
| Common Stock Direct | 3/13/2026 | F · Tax Withholding | −7.15K | $26.23 | $187.57K | 4.5% | 158.74K | 151.58K |
| Total | +11.02K | $289.05K | ||||||
Derivative Transactions1
Restricted Stock Unit
Direct
Converts to
Common Stock
18.17K shares
Shares
−18.17K
Strike price
Held after
166.98K
Exercisable
—
3/13/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Unit Direct | Common Stock18.17K shares | 3/13/2026 | M · Option Exercise | −18.17K | — | 166.98K |