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About Trinseo PLC (TSE)
TSE Form 4 activity by transaction type, last 90 days
No Form 4 activity for TSE in the last 90 days.
TSE insider transactions (Form 4)
1745 Form 4 filings on record, the earliest from Oct 7, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Roger Greene - Officer | Tax withholding / forfeiture | Ordinary Shares | 1,617 | $2.57 | $4K | |
| Matthew Farrell | Open-market purchase | Ordinary Shares | 25,000 | $2.29 | $57K | |
| Matthew Farrell | Open-market purchase | Ordinary Shares | 26,391 | $2.45 | $65K | |
| Matthew Farrell | Open-market purchase | Ordinary Shares | 48,609 | $2.43 | $118K | |
| Sandra Beach Lin | Grant or award | Ordinary Shares | 42,484 | $0.00 | - | |
| Henri Steinmetz | Grant or award | Ordinary Shares | 42,484 | $0.00 | - | |
| Jeffrey J. Cote | Grant or award | Ordinary Shares | 42,484 | $0.00 | - | |
| Matthew Farrell | Grant or award | Ordinary Shares | 42,484 | $0.00 | - | |
| Joseph Alvarado | Grant or award | Ordinary Shares | 42,484 | $0.00 | - | |
| Sandra Beach Lin | Tax withholding / forfeiture | Ordinary Shares | 10,310 | $3.73 | $38K | |
| Henri Steinmetz | Tax withholding / forfeiture | Ordinary Shares | 20,001 | $3.73 | $75K | |
| Mark E. Tomkins | Tax withholding / forfeiture | Ordinary Shares | 10,105 | $3.73 | $38K | |
| Jeffrey J. Cote | Tax withholding / forfeiture | Ordinary Shares | 10,310 | $3.73 | $38K | |
| Matthew Farrell | Tax withholding / forfeiture | Ordinary Shares | 9,576 | $3.73 | $36K | |
| Joseph Alvarado | Tax withholding / forfeiture | Ordinary Shares | 10,327 | $3.73 | $39K | |
| Paula M. Cooney - Officer | Tax withholding / forfeiture | Ordinary Shares | 599 | $4.33 | $3K | |
| Tax withholding / forfeiture | Ordinary Shares | 2,067 | $6.38 | $13K |
TSE insider trading FAQ
What is the latest insider trade for TSE?
Trinseo PLC (TSE) has filed no insider reports in the last 90 days. The most recent on record is dated 2026-05-14. The full record for TSE runs to 45 Form 4 filings, the earliest from 2024-10-07. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying TSE stock?
No insider purchases of TSE were filed in the last 90 days. 3 purchases are on record for this company.
How many insiders are selling TSE stock?
No insider sales of TSE were filed in the last 90 days.
Where can I see TSE SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects TSE Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Materials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Sandra Beach Lin view on EDGAR
- - Jeanmarie F. Desmond view on EDGAR
- - Jeffrey J. Cote view on EDGAR
- - Joseph Alvarado view on EDGAR
- - Klynne Johnson view on EDGAR
- - Victoria Brifo view on EDGAR
- - Matthew Farrell view on EDGAR
- - Henri Steinmetz view on EDGAR
- - Arthas Bing Yang view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Materials
- Where TSE's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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