GARDNER STEVEN R sold $329K of COLB
GARDNER STEVEN R sold 10,522 shares of COLUMBIA BANKING SYSTEM, INC. (COLB) at an average of $31.23 ($31.22–$31.24, $0.33M total) across 7 trades on 2026-10-29.
How this was made
The 30-second read
Why it matters
The disclosed sale provides fresh data on insider sentiment for Columbia Banking System.
Market read
New insider sale information may influence short-term trading decisions.
What to watch
No 10b5-1 plan; the director may be diversifying holdings.
Background
SEC Form 4 filing discloses insider transactions for public companies.
Ticker impact
Director Steven Gardner sold 10,522 shares of Columbia Banking System for $328,616.50 on 2026-10-29.
likely slight pressure as the market prices in the director's sell.
A director sold a modest $329K stake; such sales typically signal limited concern but can prompt short-term selling.
Market effects
Minimal impact on regional banking sector.
Limited to Columbia Banking System's share price.
None
Counterpoint
The sale could be routine portfolio rebalancing, not a bearish signal.
Key entities
- CompanyColumbia Banking System, Inc.
Issuer of the Form 4 filing.
- IndividualSteven Gardner
Director of Columbia Banking System who sold shares.



