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Trinseo (TSE) Insider Trading & Ownership

Trinseo logo
$0.23 0.00 (0.00%)
As of 08/21/2026
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Trinseo (NYSE:TSE) Insider Buying and Selling Activity

Current
Insider Ownership
Percentage
4.50%
Number Of
Insiders Buying
(Last 3 Years)
7
Amount Of
Insider Buying
(Last 3 Years)
$1.38M
Number Of
Insiders Selling
(Last 3 Years)
0
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TSE Insider Buying and Selling by Quarter

Trinseo Insider and Congressional Trades History

Export
Transaction DateInsiderBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails
8/14/2025
Matthew Farrell
Matthew Farrell
Director
Buy48,609$2.43$118,119.87  
8/13/2025
Matthew Farrell
Matthew Farrell
Director
Buy26,391$2.45$64,657.95  
8/12/2025
Matthew Farrell
Matthew Farrell
Director
Buy25,000$2.29$57,250.00  
3/14/2025
Johanna Frisch
VP
Buy1,500$4.10$6,150.00  
3/12/2025
Johanna Frisch
VP
Buy1,200$4.28$5,136.00  
8/19/2024
Jeffrey J Cote
Director
Buy50,600$3.39$171,534.00  
8/16/2024
Jeffrey J Cote
Director
Buy100,000$2.81$281,000.00  
8/12/2024
Angelo N Chaclas
SVP
Buy75,000$2.57$192,750.00  
8/12/2024
Frank A Bozich
Frank A Bozich
CEO
Buy40,000$2.57$102,800.00  
9/14/2023
David Phillip Stasse
CFO
Buy15,000$8.89$133,350.00  
9/13/2023
Jeanmarie F Desmond
Director
Buy2,500$7.94$19,850.00  
9/12/2023
Angelo N Chaclas
SVP
Buy20,000$8.07$161,400.00  
9/12/2023
Frank A Bozich
Frank A Bozich
CEO
Buy8,000$8.07$64,560.00  
(Data available from 1/1/2013 forward)

TSE Insider Trading Activity - Frequently Asked Questions

The list of insiders at Trinseo includes Angelo N Chaclas, David Phillip Stasse, Frank A Bozich, Jeanmarie F Desmond, Jeffrey J Cote, Johanna Frisch, and Matthew Farrell. Learn more on insiders at TSE.

4.50% of Trinseo stock is owned by insiders. Learn more on TSE's insider holdings.

The following insiders have purchased TSE shares in the last 24 months: Johanna Frisch ($11,286.00), and Matthew Farrell ($240,027.82).

Insiders have purchased a total of 102,700 TSE shares in the last 24 months for a total of $251,313.82 bought.

Trinseo Active Insiders


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This page (NYSE:TSE) was last updated on 8/23/2026 by MarketBeat.com Staff.
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