InsiderClue
Stocks · Financials · State Commercial Banks

COLUMBIA BANKING SYSTEM, INC.

COLB Clue Score53
United States Fiscal year ends December CIK 0000887343 Results filed 22 Oct 2026
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What the insiders did Net buying

Individual transactions

10
Insider
Date
Role
Action
Shares
Price
Amount
Judi Giem
14 Aug 2026
EVP CHRO
Exercised, kept
2,393
$32.69
$78.23K
Drew K Anderson
13 Mar 2026
EVP Chief Admin Officer
Exercised, kept
2,506
$26.23
$65.73K
Aaron James Deer
13 Mar 2026
EVP Chief Strategy/Innov Offcr
Exercised, kept
1,567
$26.23
$41.10K
Christopher Merrywell
13 Mar 2026
Senior Executive VP
Exercised, kept
5,013
$26.23
$131.49K
Devine David Moore
13 Mar 2026
EVP Chief Marketing Officer
Exercised, kept
940
$26.23
$24.66K
Frank Namdar
13 Mar 2026
EVP Chief Credit Officer
Exercised, kept
2,820
$26.23
$73.97K
Torran B Nixon
13 Mar 2026
Senior Executive VP
Exercised, kept
5,013
$26.23
$131.49K
Andrew H Ognall
13 Mar 2026
EVP Chief Risk Officer
Exercised, kept
2,381
$26.23
$62.45K
Clint Stein
13 Mar 2026
Chair, CEO, President
Exercised, kept
18,171
$26.23
$476.63K
Lisa Dow
26 Mar 2019
EVP and Chief Risk Officer
Exercised, kept
757
$9.91
$7.50K
Show all 124 transactions →

What was left out

Form 4 filings counted 660
Amendments (4/A) skipped 23
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 3
Sales straight out of an exercise 2
Sales at will 31
Transactions with no price 0
Shares from compensation/vesting 2,551,938
Sales filed before the plan box existed 21
History held since 12 Dec 2006