Form 4 for COLB COLUMBIA BANKING SYSTEM, INC.
Accepted 2026-04-16 17:31:50 ET · period of report 2026-04-15 · accession 0001740374-26-000004 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-04-16 17:31 | 2026-04-15 | COLB | Lakely Brock | EVP, CAO | F - Tax | $29.10 | -396 | 10.7K | -4% | -$11.5K |
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 | 2026-04-15 | F | D | 396 | $29.10 | 10,708 | D | — | — |