Columbia Banking System, Inc. planned insider sales
In the twelve months since 9 October 2025 insiders at Columbia Banking System, Inc. filed 4 Form 144 notices of planned sales, 22,078 shares worth $647,148 at the time of filing, from 3 sellers. The latest, filed 8 June 2026: Moore Devine David (officer), 3,872 shares worth $115,288, planned for around 8 June 2026 through Fidelity Brokerage Services LLC.
| Filed | Seller | Relationship | Shares | Value | Planned sale | Broker | How acquired | Filing |
|---|---|---|---|---|---|---|---|---|
| 8 June 2026 | Moore Devine David | Officer | 3,872 | $115,288 | 8 June 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 4 March 2026 | Nixon Torran B | Officer | 2,240 | $64,624 | 4 March 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 3 March 2026 | Nixon Torran B | Officer | 2,241 | $63,308 | 3 March 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 30 January 2026 | Gardner Steven R | Director | 13,725 | $403,927 | 30 January 2026 | Fidelity Brokerage Services LLC | Open Market Purchase | Form 144 |
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
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Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.Source
Form 144 filings on EDGAR for Columbia Banking System, Inc.: the company's filing index, each notice read from its own XML.
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