Form 4 for COLB COLUMBIA BANKING SYSTEM, INC.
Accepted 2026-03-05 00:00:00 ET · period of report 2026-03-03 · accession 0000887343-26-000103 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-03-05 | 2026-03-03+ | COLB | Nixon Torran B | Senior Executive VP | S - Sale | $28.55 | -4,481 | 98.2K | -4% | -$127.9K |
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 | 2026-03-03 | S | D | 2,241 | $28.25 | 100,469 | D | — | — | |
| 2 | Common | Common Stock | 2026-03-04 | S | D | 2,240 | $28.85 | 98,229 | D | — | — |