DEER AARON JAMES

PrivateCIK: 1810107
Location

TACOMA, WA

DEER AARON JAMES (EVP Chief Financial Officer) purchased 2.1% of their position (886.00 shares) of COLUMBIA BANKING SYSTEM, INC. on the open market

Open‑market purchase worth $22.5K — a small addition. The strongest form of insider conviction signal.

P · 1 purchase
InsiderDEER AARON JAMESCIK 1810107
Officer· EVP Chief Financial Officer
Since Apr 2020
+886.00
Net shares
Net buyer
$22.5K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
886.00 acquired
Non-Derivative Transactions1

Common Stock

Direct
P · Purchase

Shares

+886.00

Price / share

$25.37

Trade value

$22.48K

% of position

2.1%
6/30/2026
41.88K42.76K
Total

Net shares

+886.00

Net value

$22.48K

Derivative Transactions0
No derivative transactions reported