COLBCOLUMBIA BANKING SYSTEM, INC.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-09-08.
Insider buys (90d)
$22.5K
Insider sells (90d)
$0.00
Net flow
$22.5K
Filings
4
Buy transactions
1
Sell transactions
0
Distinct insiders
4
Last close (cached)
$30.11
as of 2026-09-14
1d return
+0.0%
5d return
-2.2%
1m return
-6.0%
Top insiders trading COLB (90d)
Recent transactions (5)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-08 | 2026-09-04 | GARDNER STEVEN R Director | Grant | 2,577 | $0.00 | $0.00 | open → |
| 2026-09-04 | 2026-09-02 | LAGOMARSINO SIMONE Director | Grant | 2,670 | $0.00 | $0.00 | open → |
| 2026-08-18 | 2026-08-14 | Giem Judi Officer | Tax | 643 | $32.69 | $21.0K | open → |
| 2026-08-18 | 2026-08-14 | Giem Judi Officer | Exer. | 2,393 | $32.69 | $78.2K | open → |
| 2026-07-02 | 2026-06-30 | Deer Aaron James Officer | Buy | 886 | $25.37 | $22.5K | open → |
Other tickers these insiders trade
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