Trinseo PLC (TSE)

Latest Insider Confidence Score

2026Q1

46.5
Bearish

Company insider confidence (by quarter)

2014Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Meisel Seth — 37,269,567 Jun 29, 2015
Chu Brian — 37,269,567 Jun 29, 2015
Vasseur Aurelien Director 10,669,567 Aug 16, 2016
M&G Investment Management Ltd 10% Owner 7,625,044 Jul 20, 2022
Bozich Frank A CEO 720,971 Mar 3, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 27, 2026 Mar 3, 2026 Yang Arthas Bing SVP, Latex Binders Sell 27.5 -2,548 -4.90% ✗ $586
Feb 27, 2026 Mar 3, 2026 van Kessel Bregje SVP, Corporate Finance & IR Sell 27.5 -6,064 -5.81% ✗ $1.4K
Feb 27, 2026 Mar 3, 2026 Schewe Rainer SVP, SUPPLY CHAIN & MFG SVCS Sell 27.5 -4,028 -3.75% ✗ $926.4
Feb 27, 2026 Mar 3, 2026 Reverberi Francesca SVP, EM and Polymer Solutions Sell 37.5 -1,385 -0.85% ✗ $318.6
Feb 27, 2026 Mar 3, 2026 Hendriks Han SVP, CHIEF TECHNOLOGY OFFICER Sell 27.5 -7,707 -9.51% ✗ $1.8K
Feb 27, 2026 Mar 3, 2026 Greene Roger VP, GLOBAL CONTROLLER & PAO Sell 27.5 -2,517 -5.29% ✗ $578.9
Feb 27, 2026 Mar 3, 2026 Cooney Paula M. SVP, CHRO Sell 27.5 -7,670 -6.09% ✗ $1.8K
Feb 27, 2026 Mar 3, 2026 Chaclas Angelo N. SVP, CLO, CCO & CORP. SEC. Sell 27.5 -7,607 -2.69% ✗ $1.7K
Feb 27, 2026 Mar 3, 2026 Stasse David Phillip CFO Sell 27.5 -10,366 -3.91% ✗ $2.4K
Feb 27, 2026 Mar 3, 2026 BOZICH FRANK A CEO Sell 27.5 -23,680 -3.44% ✗ $5.4K
Feb 21, 2026 Feb 24, 2026 Reverberi Francesca SVP, EM and Polymer Solutions Sell 37.5 -1,496 -0.91% ✗ $490.1
Feb 21, 2026 Feb 24, 2026 Hendriks Han SVP, CHIEF TECHNOLOGY OFFICER Sell 27.5 -8,622 -9.61% ✗ $2.8K
Feb 21, 2026 Feb 24, 2026 Yang Arthas Bing SVP, Latex Binders Sell 27.5 -2,445 -4.49% ✗ $801
Feb 21, 2026 Feb 24, 2026 van Kessel Bregje SVP, Corporate Finance & IR Sell 27.5 -7,298 -6.54% ✗ $2.4K
Feb 21, 2026 Feb 24, 2026 Schewe Rainer SVP, SUPPLY CHAIN & MFG SVCS Sell 27.5 -5,113 -4.54% ✗ $1.7K
Feb 21, 2026 Feb 24, 2026 Cooney Paula M. SVP, CHRO Sell 27.5 -10,124 -7.44% ✗ $3.3K
Feb 21, 2026 Feb 24, 2026 Greene Roger VP, GLOBAL CONTROLLER & PAO Sell 27.5 -2,238 -4.49% ✗ $733.2
Feb 21, 2026 Feb 24, 2026 Stasse David Phillip CFO Sell 27.5 -14,699 -5.25% ✗ $4.8K
Feb 22, 2026 Feb 24, 2026 BOZICH FRANK A CEO Sell 26.3 -32,602 -4.52% ✗ $10.7K
Feb 21, 2026 Feb 24, 2026 Chaclas Angelo N. SVP, CLO, CCO & CORP. SEC. Sell 27.5 -10,788 -3.68% ✗ $3.5K
Jan 20, 2026 Flaton Carol Director Neutral 52.5 - 0.00% ✗ -
Jan 20, 2026 Frizzley Jill Kathleen Director Neutral 52.5 - 0.00% ✗ -
Oct 3, 2025 Oct 7, 2025 Hendriks Han SVP, CHIEF TECHNOLOGY OFFICER Sell 27.5 -2,067 -2.25% ✗ $4.8K
Sep 30, 2025 Oct 2, 2025 Frisch Johanna VP AND TREASURER Sell 27.5 -2,194 -12.13% ✗ $5.2K
Sep 25, 2025 Sep 29, 2025 Greene Roger VP, GLOBAL CONTROLLER & PAO Sell 27.5 -1,617 -3.14% ✗ $4.2K
Aug 12, 2025 Aug 14, 2025 FARRELL MATTHEW Director Buy 95.0 +100,000 66.57% ✗ $240K
Jun 25, 2025 Jun 27, 2025 ALVARADO JOSEPH Director Neutral 90.0 +42,484 81.41% ✗ -
Jun 25, 2025 Jun 27, 2025 LIN SANDRA BEACH Director Neutral 90.0 +42,484 94.88% ✗ -
Jun 25, 2025 Jun 27, 2025 Brifo Victoria Director Neutral 90.0 +42,484 104.28% ✗ -
Jun 25, 2025 Jun 27, 2025 COTE JEFFREY J Director Neutral 90.0 +42,484 19.65% ✗ -
Jun 25, 2025 Jun 27, 2025 Desmond Jeanmarie F. Director Neutral 90.0 +42,484 91.26% ✗ -
Jun 25, 2025 Jun 27, 2025 FARRELL MATTHEW Director Neutral 90.0 +42,484 39.43% ✗ -
Jun 25, 2025 Jun 27, 2025 Johnson KLynne Director Neutral 90.0 +42,484 87.72% ✗ -
Jun 25, 2025 Jun 27, 2025 STEINMETZ HENRI Director Neutral 90.0 +42,484 79.48% ✗ -
Jun 21, 2025 Jun 27, 2025 COTE JEFFREY J Director Sell 26.3 -10,310 -4.55% ✗ $38.5K
Jun 21, 2025 Jun 24, 2025 TOMKINS MARK E Director Sell 26.3 -10,105 -21.63% ✗ $37.7K
Jun 21, 2025 Jun 24, 2025 STEINMETZ HENRI Director Sell 22.5 -20,001 -27.23% ✗ $74.6K
Jun 21, 2025 Jun 24, 2025 FARRELL MATTHEW Director Sell 26.3 -9,576 -8.16% ✗ $35.7K
Jun 21, 2025 Jun 24, 2025 LIN SANDRA BEACH Director Sell 26.3 -10,310 -18.72% ✗ $38.5K
Jun 21, 2025 Jun 24, 2025 De Leener Pierre-Marie Director Sell 22.5 -20,001 -35.60% ✗ $74.6K
Jun 21, 2025 Jun 24, 2025 COTE JEFFREY J Director Sell 26.3 -10,310 -4.99% ✗ $38.5K
Jun 21, 2025 Jun 24, 2025 Brifo Victoria Director Sell 26.3 -9,576 -19.03% ✗ $35.7K
Jun 21, 2025 Jun 24, 2025 Johnson KLynne Director Sell 26.3 -10,474 -17.78% ✗ $39.1K
Jun 21, 2025 Jun 24, 2025 Desmond Jeanmarie F. Director Sell 26.3 -10,343 -18.18% ✗ $38.6K
Jun 21, 2025 Jun 24, 2025 ALVARADO JOSEPH Director Sell 26.3 -10,327 -16.52% ✗ $38.5K
Mar 12, 2025 Mar 14, 2025 Frisch Johanna VP AND TREASURER Buy 91.3 +3,800 26.59% ✗ $15.7K
Feb 27, 2025 Mar 3, 2025 BOZICH FRANK A CEO Neutral 90.0 +282,692 64.50% ✗ -
Feb 27, 2025 Mar 3, 2025 Chaclas Angelo N. SVP, CLO, CCO & CORP. SEC. Neutral 90.0 +90,812 44.87% ✗ -
Feb 27, 2025 Mar 3, 2025 Cooney Paula M. SVP, CHRO Neutral 90.0 +65,833 93.67% ✗ -
Feb 27, 2025 Mar 3, 2025 Greene Roger VP, GLOBAL CONTROLLER & PAO Neutral 90.0 +23,077 81.27% ✗ -
Feb 27, 2025 Mar 3, 2025 Hendriks Han SVP, CHIEF TECHNOLOGY OFFICER Neutral 90.0 +46,707 103.68% ✗ -
Feb 27, 2025 Mar 3, 2025 Reverberi Francesca SVP, EM and Polymer Solutions Neutral 90.0 +78,389 91.42% ✗ -
Feb 27, 2025 Mar 3, 2025 Schewe Rainer SVP, SUPPLY CHAIN & MFG SVCS Neutral 90.0 +48,077 74.56% ✗ -
Feb 27, 2025 Mar 3, 2025 Stasse David Phillip CFO Neutral 90.0 +123,745 79.27% ✗ -
Feb 27, 2025 Mar 3, 2025 van Kessel Bregje SVP, Corporate Finance & IR Neutral 90.0 +51,973 87.08% ✗ -
Feb 27, 2025 Mar 3, 2025 Yang Arthas Bing SVP, Latex Binders Neutral 90.0 +31,542 137.69% ✗ -
Feb 21, 2025 Feb 25, 2025 Yang Arthas Bing SVP, Latex Binders Sell 26.3 -2,844 -11.04% ✗ $15.7K
Feb 21, 2025 Feb 25, 2025 van Kessel Bregje SVP, Corporate Finance & IR Sell 27.5 -903 -1.49% ✗ $5K
Feb 21, 2025 Feb 25, 2025 Reverberi Francesca SVP, EM and Polymer Solutions Sell 27.5 -1,163 -1.34% ✗ $6.4K
Feb 21, 2025 Feb 25, 2025 Stasse David Phillip CFO Sell 26.3 -6,558 -4.03% ✗ $36.2K
Feb 21, 2025 Feb 25, 2025 Schewe Rainer SVP, SUPPLY CHAIN & MFG SVCS Sell 26.3 -6,662 -9.36% ✗ $36.8K
Feb 21, 2025 Feb 25, 2025 Hendriks Han SVP, CHIEF TECHNOLOGY OFFICER Sell 26.3 -6,331 -12.32% ✗ $34.9K
Feb 21, 2025 Feb 25, 2025 Greene Roger VP, GLOBAL CONTROLLER & PAO Sell 26.3 -2,238 -7.31% ✗ $12.4K
Feb 21, 2025 Feb 25, 2025 Frisch Johanna VP AND TREASURER Sell 27.5 -767 -5.09% ✗ $4.2K
Feb 21, 2025 Feb 25, 2025 Cooney Paula M. SVP, CHRO Sell 26.3 -7,440 -9.57% ✗ $41.1K
Feb 21, 2025 Feb 25, 2025 Chaclas Angelo N. SVP, CLO, CCO & CORP. SEC. Sell 26.3 -3,690 -1.79% ✗ $20.4K
Feb 22, 2025 Feb 25, 2025 BOZICH FRANK A CEO Sell 22.5 -18,795 -4.11% ✗ $103.7K
Feb 16, 2025 Feb 18, 2025 van Kessel Bregje SVP, Corporate Finance & IR Sell 52.5 -70 -0.12% ✗ $359.8
Feb 16, 2025 Feb 18, 2025 Stasse David Phillip CFO Sell 27.5 -1,845 -1.12% ✗ $9.5K
Feb 16, 2025 Feb 18, 2025 Schewe Rainer SVP, SUPPLY CHAIN & MFG SVCS Sell 37.5 -613 -0.85% ✗ $3.2K
Feb 16, 2025 Feb 18, 2025 Reverberi Francesca SVP, EM and Polymer Solutions Sell 52.5 -134 -0.15% ✗ $688.8
Feb 16, 2025 Feb 18, 2025 Frisch Johanna VP AND TREASURER Sell 27.5 -197 -1.29% ✗ $1K
Feb 16, 2025 Feb 18, 2025 Cooney Paula M. SVP, CHRO Sell 27.5 -1,073 -1.36% ✗ $5.5K
Feb 16, 2025 Feb 18, 2025 Chaclas Angelo N. SVP, CLO, CCO & CORP. SEC. Sell 45.0 -936 -0.45% ✗ $4.8K
Feb 16, 2025 Feb 18, 2025 BOZICH FRANK A CEO Sell 26.3 -5,130 -1.11% ✗ $26.4K
Nov 29, 2024 Dec 3, 2024 Cooney Paula M. SVP, CHRO Sell 37.5 -599 -0.75% ✗ $2.6K
Oct 3, 2024 Oct 7, 2024 Hendriks Han SVP, CHIEF TECHNOLOGY OFFICER Sell 26.3 -2,067 -3.87% ✗ $13.2K
Sep 25, 2024 Sep 27, 2024 Greene Roger VP, GLOBAL CONTROLLER & PAO Sell 27.5 -1,676 -5.19% ✗ $8.4K
Sep 21, 2024 Sep 24, 2024 Frisch Johanna VP AND TREASURER Sell 37.5 -89 -0.58% ✗ $399.6
Aug 16, 2024 Aug 20, 2024 COTE JEFFREY J Director Buy 97.5 +150,600 198.39% ✗ $452.5K
Aug 13, 2024 Aug 14, 2024 TOMKINS MARK E Director Sell 26.3 -11,142 -19.25% ✗ $28.3K
Aug 12, 2024 Aug 14, 2024 BOZICH FRANK A CEO Buy 90.0 +40,000 9.47% ✗ $102.8K
Aug 12, 2024 Aug 14, 2024 Chaclas Angelo N. SVP, CLO, CCO & CORP. SEC. Buy 95.0 +75,000 56.82% ✗ $192.8K
Jun 21, 2024 Jun 25, 2024 Johnson KLynne Director Neutral 90.0 +41,009 229.18% ✗ -
Jun 21, 2024 Jun 25, 2024 Brifo Victoria Director Neutral 90.0 +41,009 440.58% ✗ -
Jun 21, 2024 Jun 25, 2024 TOMKINS MARK E Director Neutral 90.0 +41,009 243.28% ✗ -
Jun 21, 2024 Jun 25, 2024 STEINMETZ HENRI Director Neutral 90.0 +41,009 126.40% ✗ -
Jun 21, 2024 Jun 25, 2024 LIN SANDRA BEACH Director Neutral 90.0 +41,009 291.32% ✗ -
Jun 21, 2024 Jun 25, 2024 FARRELL MATTHEW Director Neutral 90.0 +41,009 53.74% ✗ -
Jun 21, 2024 Jun 25, 2024 Desmond Jeanmarie F. Director Neutral 90.0 +41,009 258.15% ✗ -
Jun 21, 2024 Jun 25, 2024 De Leener Pierre-Marie Director Neutral 90.0 +41,009 270.40% ✗ -
Jun 21, 2024 Jun 25, 2024 COTE JEFFREY J Director Neutral 90.0 +41,009 117.49% ✗ -
Jun 21, 2024 Jun 25, 2024 ALVARADO JOSEPH Director Neutral 90.0 +41,009 190.70% ✗ -
Jun 14, 2024 Jun 18, 2024 TOMKINS MARK E Director Sell 27.5 -3,326 -16.48% ✗ $9.4K
Jun 14, 2024 Jun 18, 2024 STEINMETZ HENRI Director Sell 26.3 -4,411 -11.97% ✗ $12.5K
Jun 14, 2024 Jun 18, 2024 LIN SANDRA BEACH Director Sell 27.5 -3,326 -19.11% ✗ $9.4K
Jun 14, 2024 Jun 18, 2024 Johnson KLynne Director Sell 27.5 -3,326 -15.67% ✗ $9.4K
Jun 14, 2024 Jun 18, 2024 FARRELL MATTHEW Director Sell 27.5 -3,202 -4.03% ✗ $9.1K
Jun 14, 2024 Jun 18, 2024 Desmond Jeanmarie F. Director Sell 27.5 -3,242 -16.95% ✗ $9.2K
Jun 14, 2024 Jun 18, 2024 De Leener Pierre-Marie Director Sell 26.3 -4,411 -22.53% ✗ $12.5K