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: 20
- Last trade date: Sep 15, 2026
- Ticker: COLB
Top Insiders
- Forrest Eric — 1 trades, buy: $0, sell: $0
- Lund Randal Lee — 1 trades, buy: $0, sell: $0
- MITCHELL M CHRISTIAN — 1 trades, buy: $0, sell: $0
- Varnado Anddria — 1 trades, buy: $0, sell: $0
- SEATON ELIZABETH WHITEHEAD — 1 trades, buy: $0, sell: $0
Recent Trades
| Date | Insider | Ticker / Company |
Type | Shares | Value |
| Sep 14, 2026 |
MACHUCA LUIS |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
594 |
$18K |
| 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 |
| Jun 30, 2026 |
Deer Aaron James |
COLB COLUMBIA BANKING SYSTEM, INC. |
BUY |
886 |
$22K |
| Jun 15, 2026 |
MACHUCA LUIS |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
563 |
$18K |
| Jun 8, 2026 |
Moore Devine David |
COLB COLUMBIA BANKING SYSTEM, INC. |
SELL |
3,812 |
$114K |
| Jun 8, 2026 |
Moore Devine David |
COLB COLUMBIA BANKING SYSTEM, INC. |
SELL |
60 |
$2K |
| May 14, 2026 |
SCHULTZ JOHN F |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
3,949 |
N/A |
| May 14, 2026 |
Varnado Anddria |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
3,949 |
N/A |
| May 14, 2026 |
MACHUCA LUIS |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
3,949 |
N/A |
| May 14, 2026 |
STUDENMUND JAYNIE M |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
3,949 |
N/A |
| May 14, 2026 |
MITCHELL M CHRISTIAN |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
3,949 |
N/A |
| May 14, 2026 |
Terry Hilliard C. III |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
3,949 |
N/A |
| May 14, 2026 |
Finkelstein Mark A |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
3,949 |
N/A |
| May 14, 2026 |
SEATON ELIZABETH WHITEHEAD |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
3,949 |
N/A |
| May 14, 2026 |
Forrest Eric |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
3,949 |
N/A |
| May 14, 2026 |
Lund Randal Lee |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
3,949 |
N/A |
| Apr 15, 2026 |
Lakely Brock |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
396 |
$12K |
| Mar 13, 2026 |
Lakely Brock |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
211 |
$6K |
| Mar 13, 2026 |
BARUFFI KUMI YAMAMOTO |
COLB COLUMBIA BANKING SYSTEM, INC. |
OTHER |
937 |
$25K |
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