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Start 7-day demoLatest TSE insider trades
- Sandra Beach LinOther42,484 sh
Jeanmarie F. DesmondOther42,484 sh- Jeffrey J. CoteOther42,484 sh
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)
3845 Form 4 filings on record, the earliest from Oct 7, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sandra Beach Lin | Other | Ordinary Shares | 42,484 | - footnote F1 | - | |
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| Jeanmarie F. Desmond | Other | Ordinary Shares | 42,484 | - footnote F1 | - | |
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| Jeffrey J. Cote | Other | Ordinary Shares | 42,484 | - footnote F1 | - | |
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| Joseph Alvarado | Other | Ordinary Shares | 42,484 | - footnote F1 | - | |
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| Klynne Johnson | Other | Ordinary Shares | 42,484 | - footnote F1 | - | |
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| Victoria Brifo | Other | Ordinary Shares | 42,484 | - footnote F1 | - | |
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| Matthew Farrell | Other | Ordinary Shares | 42,484 | - footnote F1 | - | |
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| Henri Steinmetz | Other | Ordinary Shares | 42,484 | - footnote F1 | - | |
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| Arthas Bing Yang - Officer | Tax withholding / forfeiture | Ordinary Shares | 2,548 footnote F1 | $0.23 | $586 | |
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| Kessel Bregje van - Officer | Tax withholding / forfeiture | Ordinary Shares | 6,064 footnote F1 | $0.23 | $1K | |
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| Rainer Schewe - Officer | Tax withholding / forfeiture | Ordinary Shares | 4,028 footnote F1 | $0.23 | $926 | |
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| Francesca Reverberi - Officer | Tax withholding / forfeiture | Ordinary Shares | 1,385 footnote F1 | $0.23 | $319 | |
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 Han Hendriks - Officer | Tax withholding / forfeiture | Ordinary Shares | 7,707 footnote F1 | $0.23 | $2K | |
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| Roger Greene - Officer | Tax withholding / forfeiture | Ordinary Shares | 2,517 footnote F1 | $0.23 | $579 | |
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| Paula M. Cooney - Officer | Tax withholding / forfeiture | Ordinary Shares | 7,670 footnote F1 | $0.23 | $2K | |
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 Angelo N. Chaclas - Officer | Tax withholding / forfeiture | Ordinary Shares | 7,607 footnote F1 | $0.23 | $2K | |
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| David Phillip Stasse - Officer | Tax withholding / forfeiture | Ordinary Shares | 10,366 footnote F1 | $0.23 | $2K | |
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| Frank A. Bozich - Officer | Tax withholding / forfeiture | Ordinary Shares | 23,680 footnote F1 | $0.23 | $5K | |
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| Francesca Reverberi - Officer | Tax withholding / forfeiture | Ordinary Shares | 1,163 footnote F1 | $0.33 | $381 | |
| Francesca Reverberi - Officer | Tax withholding / forfeiture | Ordinary Shares | 333 footnote F1 | $0.33 | $109 | |
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| Han Hendriks - Officer | Tax withholding / forfeiture | Ordinary Shares | 6,331 footnote F1 | $0.33 | $2K | |
| Han Hendriks - Officer | Tax withholding / forfeiture | Ordinary Shares | 2,291 footnote F1 | $0.33 | $751 | |
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| Arthas Bing Yang - Officer | Tax withholding / forfeiture | Ordinary Shares | 1,898 footnote F1 | $0.33 | $622 | |
| Arthas Bing Yang - Officer | Tax withholding / forfeiture | Ordinary Shares | 547 footnote F1 | $0.33 | $179 | |
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| Kessel Bregje van - Officer | Tax withholding / forfeiture | Ordinary Shares | 5,963 footnote F1 | $0.33 | $2K | |
| Kessel Bregje van - Officer | Tax withholding / forfeiture | Ordinary Shares | 1,335 footnote F1 | $0.33 | $437 | |
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| Rainer Schewe - Officer | Tax withholding / forfeiture | Ordinary Shares | 3,907 footnote F1 | $0.33 | $1K | |
| Rainer Schewe - Officer | Tax withholding / forfeiture | Ordinary Shares | 1,206 footnote F1 | $0.33 | $395 | |
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| Paula M. Cooney - Officer | Tax withholding / forfeiture | Ordinary Shares | 7,440 footnote F1 | $0.33 | $2K | |
| Paula M. Cooney - Officer | Tax withholding / forfeiture | Ordinary Shares | 2,684 footnote F1 | $0.33 | $879 | |
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| Roger Greene - Officer | Tax withholding / forfeiture | Ordinary Shares | 2,238 footnote F1 | $0.33 | $733 | |
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| David Phillip Stasse - Officer | Tax withholding / forfeiture | Ordinary Shares | 5,028 footnote F1 | $0.33 | $2K | |
| David Phillip Stasse - Officer | Tax withholding / forfeiture | Ordinary Shares | 9,671 footnote F1 | $0.33 | $3K | |
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| Frank A. Bozich - Officer | Tax withholding / forfeiture | Ordinary Shares | 32,602 footnote F1 | $0.33 | $11K | |
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| Angelo N. Chaclas - Officer | Tax withholding / forfeiture | Ordinary Shares | 3,690 footnote F1 | $0.33 | $1K | |
| Angelo N. Chaclas - Officer | Tax withholding / forfeiture | Ordinary Shares | 7,098 footnote F1 | $0.33 | $2K | |
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| Han Hendriks - Officer | Tax withholding / forfeiture | Ordinary Shares | 2,067 footnote F1 | $2.33 | $5K | |
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 Johanna Frisch - Officer | Tax withholding / forfeiture | Ordinary Shares | 2,194 | $2.35 | $5K | |
Item 5.07, 8.01
Item 5.07, 8.01
Item 8.01, 9.01
Item 2.02, 9.01
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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