Form 4 for COLB COLUMBIA BANKING SYSTEM, INC.
Accepted 2026-06-10 16:52:47 ET · period of report 2026-06-08 · accession 0001798077-26-000005 · 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 | 2026-06-10 16:52 | 2026-06-08 | COLB | Moore Devine David | EVP CMO | S - Sale | $29.77 | -3,872 | 18.6K | -17% | -$115.3K |
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 | 2026-06-08 | S | D | 60 | $29.77 | 22,448 | D | — | — | |
| 2 | Common | Common Stock | 2026-06-08 | S | D | 3,812 | $29.77 | 18,636 | D | — | — |