Form 4 for COLB COLUMBIA BANKING SYSTEM, INC.
Accepted 2026-05-18 16:30:47 ET · period of report 2026-05-14 · accession 0001537873-26-000002 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-18 16:30 | 2026-05-14 | COLB | Finkelstein Mark A | Dir | A - Grant | $0.00 | +3,949 | 35.6K | +12% | $0 |
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 | 2026-05-14 | A | A | 3,949 | $0.00 | 35,554 | D | — | — |