// company-profile
Columbia Banking System, Inc. Insider Trading
COLBEvery SEC Form 4 insider trading filing for Columbia Banking System, Inc. (COLB) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.
curl "https://api.form4api.com/v1/transactions?ticker=COLB" -H "X-Api-Key: YOUR_API_KEY"// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Columbia Banking System, Inc. insiders bought $40K (12 transactions) and sold $115K (2 transactions).
- Most active insider: Moore Devine David with 2 transactions totaling $115K.
- Largest single sale: $114K by Moore Devine David on Jun 8, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Columbia Banking System, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 30, 2026 | Deer Aaron James | COLB | Purchase | 886 | $25.37 | $22K |
| Jun 15, 2026 | MACHUCA LUIS | COLB | Award | 563 | $31.78 | $18K |
| Jun 8, 2026 | Moore Devine David | COLB | Sale | 3,812 | $29.77 | $114K |
| Jun 8, 2026 | Moore Devine David | COLB | Sale | 60 | $29.77 | $2K |
| May 14, 2026 | Forrest Eric | COLB | Award | 3,949 | $0.00 | $0K |
45 more transactions hidden
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