Trinseo PLC — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Hendriks Han | SVP, CHIEF TECHNOLOGY OFFICER | Tax Withholding | 2,067 | $2.33 | $4,816 | 89,691 | Oct 3, 2025 |
| Frisch Johanna | VP AND TREASURER | Tax Withholding | 2,194 | $2.35 | $5,156 | 15,898 | Sep 30, 2025 |
| Greene Roger | VP, GLOBAL CONTROLLER & PAO | Tax Withholding | 1,617 | $2.57 | $4,156 | 49,856 | Sep 25, 2025 |
| FARRELL MATTHEW | — | Purchase | 26,391 | $2.45 | $64,658 | 201,616 | Aug 14, 2025 |
| ALVARADO JOSEPH | — | Award / Grant | 42,484 | — | — | 94,671 | Jun 25, 2025 |
| LIN SANDRA BEACH | — | Award / Grant | 42,484 | — | — | 87,260 | Jun 25, 2025 |
| Brifo Victoria | — | Award / Grant | 42,484 | — | — | 83,225 | Jun 25, 2025 |
| COTE JEFFREY J | — | Award / Grant | 42,484 | — | — | 88,183 | Jun 25, 2025 |
| Desmond Jeanmarie F. | — | Award / Grant | 42,484 | — | — | 89,036 | Jun 25, 2025 |
| FARRELL MATTHEW | — | Award / Grant | 42,484 | — | — | 150,225 | Jun 25, 2025 |
| Johnson KLynne | — | Award / Grant | 42,484 | — | — | 90,913 | Jun 25, 2025 |
| STEINMETZ HENRI | — | Award / Grant | 42,484 | — | — | 95,937 | Jun 25, 2025 |
| COTE JEFFREY J | — | Tax Withholding | 10,310 | $3.73 | $38,456 | 45,699 | Jun 21, 2025 |
| TOMKINS MARK E | — | Tax Withholding | 10,105 | $3.73 | $37,692 | 36,619 | Jun 21, 2025 |
| STEINMETZ HENRI | — | Tax Withholding | 20,001 | $3.73 | $74,604 | 53,453 | Jun 21, 2025 |
| LIN SANDRA BEACH | — | Tax Withholding | 10,310 | $3.73 | $38,456 | 44,776 | Jun 21, 2025 |
| FARRELL MATTHEW | — | Tax Withholding | 9,576 | $3.73 | $35,718 | 107,741 | Jun 21, 2025 |
| De Leener Pierre-Marie | — | Tax Withholding | 20,001 | $3.73 | $74,604 | 36,174 | Jun 21, 2025 |
| COTE JEFFREY J | — | Tax Withholding | 10,310 | $3.73 | $38,456 | 45,699 | Jun 21, 2025 |
| Brifo Victoria | — | Tax Withholding | 9,576 | $3.73 | $35,718 | 40,741 | Jun 21, 2025 |
| Johnson KLynne | — | Tax Withholding | 10,474 | $3.73 | $39,068 | 48,429 | Jun 21, 2025 |
| Desmond Jeanmarie F. | — | Tax Withholding | 10,343 | $3.73 | $38,579 | 46,552 | Jun 21, 2025 |
| ALVARADO JOSEPH | — | Tax Withholding | 10,327 | $3.73 | $38,520 | 52,187 | Jun 21, 2025 |
| Frisch Johanna | VP AND TREASURER | Purchase | 1,200 | $4.28 | $5,136 | 15,492 | Mar 13, 2025 |
| BOZICH FRANK A | CEO AND PRESIDENT | Award / Grant | 282,692 | — | — | 720,971 | Feb 27, 2025 |
| Chaclas Angelo N. | SVP, CLO, CCO & CORP. SEC. | Award / Grant | 90,812 | — | — | 293,193 | Feb 27, 2025 |
| Cooney Paula M. | SVP, CHRO | Award / Grant | 65,833 | — | — | 136,112 | Feb 27, 2025 |
| Greene Roger | VP, GLOBAL CONTROLLER & PAO | Award / Grant | 23,077 | — | — | 51,473 | Feb 27, 2025 |
| Hendriks Han | SVP, CHIEF TECHNOLOGY OFFICER | Award / Grant | 46,707 | — | — | 91,758 | Feb 27, 2025 |
| Reverberi Francesca | SVP, EM and Polymer Solutions | Award / Grant | 78,389 | — | — | 164,131 | Feb 27, 2025 |
| Schewe Rainer | SVP, SUPPLY CHAIN & MFG SVCS | Award / Grant | 48,077 | — | — | 112,556 | Feb 27, 2025 |
| Stasse David Phillip | EVP AND CFO | Award / Grant | 123,745 | — | — | 279,853 | Feb 27, 2025 |
| van Kessel Bregje | SVP, Corporate Finance & IR | Award / Grant | 51,973 | — | — | 111,658 | Feb 27, 2025 |
| Yang Arthas Bing | SVP, Latex Binders | Award / Grant | 31,542 | — | — | 54,450 | Feb 27, 2025 |
| BOZICH FRANK A | CEO AND PRESIDENT | Tax Withholding | 18,795 | $5.52 | $103,748 | 438,279 | Feb 22, 2025 |
| Yang Arthas Bing | SVP, Latex Binders | Tax Withholding | 2,844 | $5.52 | $15,699 | 22,908 | Feb 21, 2025 |
| van Kessel Bregje | SVP, Corporate Finance & IR | Tax Withholding | 903 | $5.52 | $4,985 | 59,685 | Feb 21, 2025 |
| Reverberi Francesca | SVP, EM and Polymer Solutions | Tax Withholding | 1,163 | $5.52 | $6,420 | 85,742 | Feb 21, 2025 |
| Stasse David Phillip | EVP AND CFO | Tax Withholding | 6,558 | $5.52 | $36,200 | 156,108 | Feb 21, 2025 |
| Schewe Rainer | SVP, SUPPLY CHAIN & MFG SVCS | Tax Withholding | 1,566 | $5.52 | $8,644 | 64,479 | Feb 21, 2025 |
| Hendriks Han | SVP, CHIEF TECHNOLOGY OFFICER | Tax Withholding | 6,331 | $5.52 | $34,947 | 45,051 | Feb 21, 2025 |
| Greene Roger | VP, GLOBAL CONTROLLER & PAO | Tax Withholding | 2,238 | $5.52 | $12,354 | 28,396 | Feb 21, 2025 |
| Frisch Johanna | VP AND TREASURER | Tax Withholding | 767 | $5.52 | $4,234 | 14,292 | Feb 21, 2025 |
| Cooney Paula M. | SVP, CHRO | Tax Withholding | 7,440 | $5.52 | $41,069 | 70,279 | Feb 21, 2025 |
| Chaclas Angelo N. | SVP, CLO, CCO & CORP. SEC. | Tax Withholding | 3,690 | $5.52 | $20,369 | 202,381 | Feb 21, 2025 |
| van Kessel Bregje | SVP, Corporate Finance & IR | Tax Withholding | 70 | $5.14 | $360 | 60,588 | Feb 16, 2025 |
| Stasse David Phillip | EVP AND CFO | Tax Withholding | 1,845 | $5.14 | $9,483 | 162,666 | Feb 16, 2025 |
| Schewe Rainer | SVP, SUPPLY CHAIN & MFG SVCS | Tax Withholding | 613 | $5.14 | $3,151 | 71,141 | Feb 16, 2025 |
| Reverberi Francesca | SVP, EM and Polymer Solutions | Tax Withholding | 134 | $5.14 | $689 | 86,905 | Feb 16, 2025 |
| Frisch Johanna | VP AND TREASURER | Tax Withholding | 197 | $5.14 | $1,013 | 15,059 | Feb 16, 2025 |