COLUMBIA BANKING SYSTEM, INC. (COLB)
Latest COLB Insider Trades
Aaron James Deer - OfficerOpen-market purchase$22K- Devine David Moore - OfficerOpen-market sale$2K
About COLUMBIA BANKING SYSTEM, INC. (COLB)
Columbia Banking System Inc is a registered bank holding company whose wholly-owned banking subsidiary is Columbia State Bank. The company provides a full range of banking services to small and medium sized businesses, professionals, and individuals throughout Washington, Oregon, Idaho, and California. The company's subsidiary Columbia Trust Company is an Oregon trust company that provides agency, fiduciary, and other related trust services with offices in Washington, Oregon, and Idaho. The firm offers various products and services under Personal Banking, Business Banking, and Wealth Management divisions.
- TACOMA, WA
- 6,005
- 2023
- XNAS
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 1 | 886 | $22K |
| Open-market sale | 2 | 3,872 | $115K |
| Grant or award | 1 | 563 |
COLB Insider Transactions (Form 4)
5991 Form 4 filings on record, the earliest from Oct 31, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Luis Machuca - Director | Grant or award | Deferred Compensation Phantom Stock | 65 |
Recent COLB Form 8-K Filings
5Recent COLB Form 144 Notices of Proposed Sale
1A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR |
COLB Insider Trading - FAQ
What is the latest insider trade for COLB?
COLUMBIA BANKING SYSTEM, INC. (COLB) had 4 insider filings in the last 90 days, with the most recent on 2026-08-18. The full record for COLB runs to 91 Form 4 filings, the earliest from 2024-10-31. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying COLB stock?
1 insider purchase of COLB was filed in the last 90 days, totaling $22K.
How many insiders are selling COLB stock?
2 insider sales of COLB were filed in the last 90 days, totaling $115K.
Where can I see COLB SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks COLB Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow COLB insider buys?
Create a free InsiderAlpha account and press Watch on this page to add COLB to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Financials Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Judi Giem view on EDGAR
- - Aaron James Deer view on EDGAR
- - Luis Machuca view on EDGAR
- - Devine David Moore view on EDGAR
- - Anddria Varnado view on EDGAR
- - Hilliard C. Terry III view on EDGAR
- - Jaynie M. Studenmund view on EDGAR
- - Elizabeth Whitehead Seaton view on EDGAR
- - John F. Schultz view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Financials
- Where COLB's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track COLB insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
