COLUMBIA BANKING SYSTEM, INC. (COLB) — Insider Trading
Insider trading activity for COLUMBIA BANKING SYSTEM, INC. sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 2
- Last trade date: Aug 18, 2026
- Ticker: COLB
Top Insiders
- Giem Judi (EVP CHRO) — 2 trades, buy: $0, sell: $0
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Aug 14, 2026 | Giem Judi | COLB COLUMBIA BANKING SYSTEM, INC. | OTHER | 2,393 | N/A |
| Aug 14, 2026 | Giem Judi | COLB COLUMBIA BANKING SYSTEM, INC. | OTHER | 2,393 | $78K |