COLB
Columbia Banking System, Inc.
4 disclosed insider filings · 3 distinct insiders · latest Sep 8, 2026
Total filings
4
3 insiders
Insider buys
0
$0
Insider sells
0
$0
Grants & other
0
$0
All disclosed filings
Same-day tranches are grouped per insider - the Lots column shows how many individual executions a row covers; Price is the value-weighted average.
| Filed | Tx date | Insider | Type | Qty | Avg price | Value | Lots | Source |
|---|---|---|---|---|---|---|---|---|
| Sep 8, 2026 | Sep 4, 2026 | Steven R Gardner DIRECTOR | OTHER | 2,577 | — | — | — | EDGAR |
| Sep 4, 2026 | Sep 2, 2026 | Simone Lagomarsino DIRECTOR | OTHER | 2,670 | — | — | — | EDGAR |
| Aug 18, 2026 | Aug 14, 2026 | Judi Giem OFFICER | OTHER | 3,036 | $32.69 | $99K | 2 | EDGAR |