LAKELY BROCK (EVP, Chief Accounting Officer) sold 1.9% of their position (211.00 shares) of COLUMBIA BANKING SYSTEM, INC. on the open market
Open‑market sale worth $5.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 3/17/2026ACC: 0001740374-26-000002
Officer· EVP, Chief Accounting Officer
Since Mar 2026
-211.00
Net shares
Net seller
$5.5K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
846.00 acquired · 1.06K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+846.00
Price / share
$26.23
Trade value
$22.19K
% of position
8.1%
3/13/2026
10.47K→11.31K
Common Stock
Direct
Shares
−211.00
Price / share
$26.23
Trade value
$5.53K
% of position
1.9%
3/13/2026
11.31K→11.10K
Total
Net shares
+635.00
Net value
$16.66K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/13/2026 | M · Option Exercise | +846.00 | $26.23 | $22.19K | 8.1% | 10.47K | 11.31K |
| Common Stock Direct | 3/13/2026 | S · Sale | −211.00 | $26.23 | $5.53K | 1.9% | 11.31K | 11.10K |
| Total | +635.00 | $16.66K | ||||||
Derivative Transactions1
Restricted Stock Unit
Direct
Converts to
Common Stock
846.00 shares
Shares
−846.00
Strike price
Held after
9.81K
Exercisable
—
3/13/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Unit Direct | Common Stock846.00 shares | 3/13/2026 | M · Option Exercise | −846.00 | — | 9.81K |