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 selling

Individual transactions

24
Insider
Date
Role
Action
Shares
Price
Amount
Steven R Gardner
29 Oct 2026
Director
Sell
2,253
$31.25
$70.39K
Steven R Gardner
29 Oct 2026
Director
Sell
322
$31.24
$10.06K
Steven R Gardner
29 Oct 2026
Director
Sell
2,151
$31.24
$67.19K
Steven R Gardner
29 Oct 2026
Director
Sell
200
$31.23
$6.25K
Steven R Gardner
29 Oct 2026
Director
Sell
5,012
$31.23
$156.50K
Steven R Gardner
29 Oct 2026
Director
Sell
100
$31.22
$3.12K
Steven R Gardner
29 Oct 2026
Director
Sell
484
$31.22
$15.11K
Judi Giem
14 Aug 2026
EVP CHRO
Exercised, kept
2,393
$32.69
$78.23K
Aaron James Deer
30 Jun 2026
EVP Chief Strategy/Innov Offcr
Buy
886
$25.37
$22.48K
Devine David Moore
8 Jun 2026
EVP Chief Marketing Officer
Sell
3,812
$29.78
$113.50K
Devine David Moore
8 Jun 2026
EVP Chief Marketing Officer
Sell
60
$29.77
$1.79K
Drew K Anderson
13 Mar 2026
EVP Chief Admin Officer
Exercised, kept
2,506
$26.23
$65.73K
Kumi Yamamoto Baruffi
13 Mar 2026
EVP General Counsel, Corp Sec
Sold after exercise
937
$26.23
$24.58K
Aaron James Deer
13 Mar 2026
EVP Chief Strategy/Innov Offcr
Exercised, kept
1,567
$26.23
$41.10K
Brock Lakely
13 Mar 2026
EVP, Chief Accounting Officer
Sold after exercise
211
$26.23
$5.53K
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
Torran B Nixon
4 Mar 2026
Senior Executive VP
Sold on a plan
2,240
$28.85
$64.62K
Torran B Nixon
3 Mar 2026
Senior Executive VP
Sold on a plan
2,241
$28.25
$63.31K
Steven R Gardner
30 Jan 2026
Director
Sell indirect
13,725
$29.43
$403.93K

What was left out

Form 4 filings counted 84
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 2
Sales straight out of an exercise 2
Sales at will 10
Transactions with no price 0
Shares from compensation/vesting 323,051
History held since 12 Dec 2006