Summary
Updated Aug 30, 2026
Timothy P. Boyle is Chairman and CEO, Director, 10% Owner of COLUMBIA SPORTSWEAR CO (COLM). 5 SEC Form 4 filings on record going back to 2025, most recently on 11 August 2026.
Recent Transactions
5Every recent SEC Form 4 transaction Timothy P. Boyle has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Timothy P. Boyle files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Lisa Kulok - $287K of COLM open-market activity in the last 12 months
- Stephen E. Babson - $282K of COLM open-market activity in the last 12 months
- Ronald E. Nelson - $277K of COLM open-market activity in the last 12 months
- Jim A. Swanson - $267K of COLM open-market activity in the last 12 months
- Sabrina Simmons - $81K of COLM open-market activity in the last 12 months
- Peter J. Bragdon - $16K of COLM open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Timothy P. Boyle?
Timothy P. Boyle is a corporate insider, tracked as Chairman and CEO, Director, 10% Owner of COLUMBIA SPORTSWEAR CO (COLM). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Timothy P. Boyle submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Timothy P. Boyle's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Follow Timothy P. Boyle and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial