COLUMBIA BANKING SYSTEM, INC.
Nasdaq · State Commercial Banks
Company Overview
A concise company profile alongside the latest public filing activity.
Columbia Banking System is the holding company for Umpqua Bank, which provides commercial and retail banking services—including deposit accounts, business and consumer loans, and treasury management—to customers primarily in the Pacific Northwest and parts of California, Idaho, Nevada, Utah, and Arizona.
Company profile sourced from SEC filings.
Corporate Insider Trades
Open-market purchases and sales by directors, officers, and other company insiders.
| Insider | Type | Value | Shares / Price | Date |
|---|---|---|---|---|
| GARDNER STEVEN RDirector | Sell | $15K | 484at $31.21 | Oct 29, 2026 |
| GARDNER STEVEN RDirector | Sell | $3K | 100at $31.22 | Oct 29, 2026 |
| GARDNER STEVEN RDirector | Sell | $156K | 5,012at $31.23 | Oct 29, 2026 |
| GARDNER STEVEN RDirector | Sell | $6K | 200at $31.23 | Oct 29, 2026 |
| GARDNER STEVEN RDirector | Sell | $67K | 2,151at $31.23 | Oct 29, 2026 |
| GARDNER STEVEN RDirector | Sell | $10K | 322at $31.24 | Oct 29, 2026 |
| GARDNER STEVEN RDirector | Sell | $70K | 2,253at $31.25 | Oct 29, 2026 |
Source: SEC EDGAR Form 4 filings
Congressional Trades
Recent disclosures by members of the U.S. House and Senate.
| Member | Chamber | Type | Amount | Date |
|---|---|---|---|---|
| Josh GottheimerNJ05 | House | Sell | $1,001 - $15,000 | Mar 5, 2026 |
Source: Senate eFD and House Clerk STOCK Act disclosures
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For informational purposes only, not investment advice. Filings can be delayed, corrected, or amended. Trading activity alone does not predict future performance.