// company-profile
Trinseo PLC
TSEOFExchangeOTCSectorPlastic Materials, Synth Resins & Nonvulcan ElastomersInc.L2Filings160Insiders25
// api This Trinseo PLC insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Trinseo PLC insiders filed 8 Form 4 transactions, none of which were open-market purchases or sales.
- Most active insider: Desmond Jeanmarie F. with 1 transaction totaling $0.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 12, 2026 | Desmond Jeanmarie F. | TSEOF | J | 42,484 | — | — |
| May 12, 2026 | Johnson KLynne | TSEOF | J | 42,484 | — | — |
| May 12, 2026 | STEINMETZ HENRI | TSEOF | J | 42,484 | — | — |
| May 12, 2026 | LIN SANDRA BEACH | TSEOF | J | 42,484 | — | — |
| May 12, 2026 | ALVARADO JOSEPH | TSEOF | J | 42,484 | — | — |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.