Form 4 for COLB COLUMBIA BANKING SYSTEM, INC.
Accepted 2026-03-02 00:00:00 ET · period of report 2026-03-01 · accession 0000887343-26-000096 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-02 | 2026-03-01 | COLB | Lakely Brock | EVP, CAO | F - Tax | $28.45 | -391 | 10.5K | -4% | -$11.1K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-01 | F | D | 391 | $28.45 | 10,469 | D | — | — |