MOORE DEVINE DAVID

PrivateCIK: 1798077
Location

TACOMA, WA

MOORE DEVINE DAVID (EVP, Chief Mktg & Exp Officer) sold 17.2% of their position (3.87K shares) of COLUMBIA BANKING SYSTEM, INC. on the open market

Open‑market sale worth $115.3K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderMOORE DEVINE DAVIDCIK 1798077
Officer· EVP, Chief Mktg & Exp Officer
Since Jan 2020
-3.87K
Net shares
Net seller
$115.3K
Total sold
2
Open market trades
0B · 2S
2
Total transactions
3.87K disposed
Non-Derivative Transactions2

Common Stock

Direct
S · Sale

Shares

60.00

Price / share

$29.77

Trade value

$1.79K

% of position

0.3%
6/8/2026
22.51K22.45K

Common Stock

Direct
S · Sale

Shares

3.81K

Price / share

$29.77

Trade value

$113.50K

% of position

17.0%
6/8/2026
22.45K18.64K
Total

Net shares

3.87K

Net value

-$115.29K

Derivative Transactions0
No derivative transactions reported
MOORE DEVINE DAVID — Insider Transaction (Form 4) Filed Jun 10, 2026 | Finecho