Trinseo plc (TSE) insider trading
Every open-market stock purchase and sale by Trinseo plc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- No open-market insider trades in the last 12 months.
- Last insider buy: Matthew Farrell (Insider), $118K, 14 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $0 (0 sales). Last close $0.23 on Feb 26, 2026.
Recent TSE insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| May 12, 2026 | Jeffrey J Cote (Insider) | Sold (not open market) | — |
| May 12, 2026 | Henri Steinmetz (Insider) | Sold (not open market) | — |
| May 12, 2026 | Joseph Alvarado (Insider) | Sold (not open market) | — |
| May 12, 2026 | Jeanmarie F. Desmond (Insider) | Sold (not open market) | — |
| May 12, 2026 | Victoria Brifo (Insider) | Sold (not open market) | — |
| May 12, 2026 | KLynne Johnson (Insider) | Sold (not open market) | — |
| May 12, 2026 | Matthew Farrell (Insider) | Sold (not open market) | — |
| May 12, 2026 | Sandra Beach Lin (Insider) | Sold (not open market) | — |
| Feb 27, 2026 | Frank A Bozich (CEO) | Sold (not open market) | $5.4K |
| Feb 27, 2026 | David Phillip Stasse (CFO) | Sold (not open market) | $2.4K |
| Feb 27, 2026 | Han Hendriks (CTO) | Sold (not open market) | $1.8K |
| Feb 27, 2026 | Paula M. Cooney (VP) | Sold (not open market) | $1.8K |
| Feb 27, 2026 | Angelo N. Chaclas (C-suite exec) | Sold (not open market) | $1.7K |
| Feb 27, 2026 | Bregje van Kessel (VP) | Sold (not open market) | $1.4K |
| Feb 27, 2026 | Rainer Schewe (VP) | Sold (not open market) | $926 |
| Feb 27, 2026 | Arthas Bing Yang (VP) | Sold (not open market) | $586 |
| Feb 27, 2026 | Roger Greene (VP) | Sold (not open market) | $579 |
| Feb 27, 2026 | Francesca Reverberi (VP) | Sold (not open market) | $319 |
| Feb 22, 2026 | Frank A Bozich (CEO) | Sold (not open market) | $10.7K |
| Feb 22, 2026 | David Phillip Stasse (CFO) | Sold (not open market) | $3.2K |
| Feb 22, 2026 | Angelo N. Chaclas (C-suite exec) | Sold (not open market) | $2.3K |
| Feb 22, 2026 | Paula M. Cooney (VP) | Sold (not open market) | $879 |
| Feb 22, 2026 | Han Hendriks (CTO) | Sold (not open market) | $751 |
| Feb 22, 2026 | Bregje van Kessel (VP) | Sold (not open market) | $437 |
| Feb 22, 2026 | Rainer Schewe (VP) | Sold (not open market) | $395 |
Who's trading TSE
- Matthew Farrell, Insider: other filings, last May 12, 2026
- Henri Steinmetz, Insider: other filings, last May 12, 2026
- Victoria Brifo, Insider: other filings, last May 12, 2026
- Jeffrey J Cote, Insider: other filings, last May 12, 2026
- KLynne Johnson, Insider: other filings, last May 12, 2026
- Sandra Beach Lin, Insider: other filings, last May 12, 2026
- Joseph Alvarado, Insider: other filings, last May 12, 2026
- Jeanmarie F. Desmond, Insider: other filings, last May 12, 2026
- Bregje van Kessel, VP: other filings, last Feb 27, 2026
- Frank A Bozich, CEO: other filings, last Feb 27, 2026
- Angelo N. Chaclas, C-suite exec: other filings, last Feb 27, 2026
- Paula M. Cooney, VP: other filings, last Feb 27, 2026
- Roger Greene, VP: other filings, last Feb 27, 2026
- Han Hendriks, CTO: other filings, last Feb 27, 2026
- Francesca Reverberi, VP: other filings, last Feb 27, 2026
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