Mark E Tomkins Trinseo PLC (TSE) insider trading activity

Mark E Tomkins is of Trinseo PLC. Currently has a direct ownership of 36,619 shares of TSE, which is worth approximately $112,786. The most recent transaction as insider was on Jun 21, 2025, when has been sold 10,105 shares (Ordinary Shares) at a price of $3.73 per share, resulting in proceeds of $37,691. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 36.6K

21.63% 3M change

36.72% 12M change

Total Value Held $112,786

MARK E TOMKINS Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jun 21 2025	SELL Payment of exercise price or tax liability	$37,691 $3.73 p/Share	10,105 Reduced 21.63%	36,619 Ordinary Shares
Aug 13 2024	SELL Open market or private sale	$28,300 $2.54 p/Share	11,142 Reduced 19.25%	46,724 Ordinary Shares
Jun 21 2024	BUY Grant, award, or other acquisition	-	41,009 Added 41.48%	57,866 Ordinary Shares
Jun 14 2024	SELL Payment of exercise price or tax liability	$9,445 $2.84 p/Share	3,326 Reduced 16.48%	16,857 Ordinary Shares
Jun 14 2023	SELL Payment of exercise price or tax liability	$13,747 $14.38 p/Share	956 Reduced 4.53%	20,170 Ordinary Shares
Jun 14 2023	BUY Grant, award, or other acquisition	-	9,041 Added 29.97%	21,126 Ordinary Shares
Jun 17 2022	SELL Payment of exercise price or tax liability	$41,660 $37.43 p/Share	1,113 Reduced 8.43%	12,085 Ordinary Shares
Jun 14 2022	BUY Grant, award, or other acquisition	-	3,183 Added 19.43%	13,198 Ordinary Shares
Jun 17 2021	BUY Grant, award, or other acquisition	-	2,260 Added 18.41%	10,015 Ordinary Shares

Also insider at

TMX

TERMINIX GLOBAL HOLDINGS INC Consumer Cyclical

Director

MET

Mark E Tomkins

Memphis, TN

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