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

10
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
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
Steven R Gardner
30 Jan 2026
Director
Sell indirect
13,725
$29.43
$403.93K
Show all 24 transactions →

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