Summary
Updated Aug 30, 2026
David Phillip Stasse is EVP AND CFO of Trinseo PLC (TSE). 2 SEC Form 4 filings on record, most recently on 3 March 2026.
Recent Transactions
3Every recent SEC Form 4 transaction David Phillip Stasse has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as David Phillip Stasse. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Matthew Farrell - $240K of TSE open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is David Phillip Stasse?
David Phillip Stasse is a corporate insider, tracked as EVP AND CFO of Trinseo PLC (TSE). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did David Phillip Stasse last file a Form 4?
The most recent primary Form 4 on record is dated 3 March 2026, one of 2 filings going back to 2026.
Where can I see all of David Phillip Stasse'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 David Phillip Stasse 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
