Summary
Updated Aug 31, 2026
Ronald W. Kaplan is Director of TREX CO INC (TREX). 1 SEC Form 4 filing on record, dated 30 July 2025.
Recent Transactions
1Every recent SEC Form 4 transaction Ronald W. Kaplan 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 Ronald W. Kaplan 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.
- B. Andrew Rose - $504K of TREX open-market activity in the last 12 months
- Prithvi Gandhi - $479K of TREX open-market activity in the last 12 months
- Jacob T. Rudolph - $73K of TREX open-market activity in the last 12 months
- Amy M. Fernandez - $53K of TREX 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 Ronald W. Kaplan?
Ronald W. Kaplan is a corporate insider, tracked as Director of TREX CO INC (TREX). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Ronald W. Kaplan last file a Form 4?
The only primary Form 4 on record is dated 30 July 2025.
Where can I see all of Ronald W. Kaplan'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.
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