Insider Transactions Reported by 33 Insiders of Trinseo PLC

Symbol
TSE on NYSE
Location
Wayne, PA

Insiders trading volume in the past year

Trinseo PLC executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
M&G INVESTMENT MANAGEMENT LTD 10%+ Owner $54,976,567 19 Jul 2022
JEFFREY J. COTE Director $721,733 25 Jun 2025
MATTHEW FARRELL Director $608,046 +$240,028 +65% 12 Aug 2025
HENRI STEINMETZ Director $267,664 25 Jun 2025
JOSEPH ALVARADO Director $264,132 25 Jun 2025
KLynne Johnson Director $253,647 25 Jun 2025
Jeanmarie F. Desmond Director $248,410 25 Jun 2025
SANDRA BEACH LIN Director $243,455 25 Jun 2025
Victoria Brifo Director $232,197 25 Jun 2025
FRANK A. BOZICH CEO AND PRESIDENT, Director $225,509 22 Feb 2026
Donald T. Misheff Director $141,705 14 Jun 2023
MARK E. TOMKINS Director $136,588 21 Jun 2025
Pierre-Marie De Leener Director $134,929 21 Jun 2025
Andre Lanning Svp & Cco $130,825 25 Feb 2023
Nicolas Joly SVP, Styrenics $107,631 25 Feb 2023
Angelo N. Chaclas Svp, Clo, Cco & Corp. Sec. $92,515 21 Feb 2026
Bernard M. Skeete VP, CAO & Global Controller $92,447 25 Feb 2023
David Phillip Stasse Evp And Cfo $86,864 21 Feb 2026
Timothy J. Thomas Svp, Mfctg & Oper Excellence $84,783 17 Feb 2024
ALICE HEEZEN SVP - Human Resources $72,684 12 Nov 2021
PHILIP R. MARTENS Director $67,875 14 Jun 2023
Jean-Luc Beal SVP, Engineered Materials $66,721 22 Feb 2023
Francesca Reverberi SVP, EM and Polymer Solutions $53,279 21 Feb 2026
Paula M. Cooney Svp, Chro $41,273 21 Feb 2026
Johanna Frisch Vp And Treasurer $37,360 +$15,708 +73% 30 Sep 2025
Rainer Schewe Svp, Supply Chain & Mfg Svcs $35,198 21 Feb 2026
Bregje van Kessel SVP, Corporate Finance & IR $34,188 21 Feb 2026
James Mingyu Ni Svp, Latex Binders $33,001 17 Feb 2024
Han Hendriks Svp, Chief Technology Officer $26,558 21 Feb 2026
Arthas Bing Yang SVP, Latex Binders $17,036 21 Feb 2026
Roger Greene Vp, Global Controller & Pao $15,599 21 Feb 2026
Carol Flaton Director 16 Jan 2026
Jill Kathleen Frizzley Director 16 Jan 2026

Recent Insider Transactions by Companies or Individuals for Trinseo PLC

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.