Jeanmarie F. Desmond Trinseo PLC (TSE) insider trading activity

Jeanmarie F. Desmond is of Trinseo PLC. Currently has a direct ownership of 89,036 shares of TSE, which is worth approximately $249,300. The most recent transaction as insider was on Jun 25, 2025, when has been sold 42,484 shares (Ordinary Shares) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 89K

56.49% 3M change

56.49% 12M change

Total Value Held $249,300

Jeanmarie F. Desmond Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jun 25 2025	BUY Grant, award, or other acquisition	-	42,484 Added 32.3%	89,036 Ordinary Shares
Jun 21 2025	SELL Payment of exercise price or tax liability	$38,579 $3.73 p/Share	10,343 Reduced 18.18%	46,552 Ordinary Shares
Jun 21 2024	BUY Grant, award, or other acquisition	-	41,009 Added 41.89%	56,895 Ordinary Shares
Jun 14 2024	SELL Payment of exercise price or tax liability	$9,207 $2.84 p/Share	3,242 Reduced 16.95%	15,886 Ordinary Shares
Sep 13 2023	BUY Open market or private purchase	$19,850 $7.94 p/Share	2,500 Added 11.56%	19,128 Ordinary Shares
Jun 14 2023	SELL Payment of exercise price or tax liability	$13,747 $14.38 p/Share	956 Reduced 5.45%	16,600 Ordinary Shares
Jun 14 2023	BUY Grant, award, or other acquisition	-	9,041 Added 33.99%	17,556 Ordinary Shares
Sep 08 2022	BUY Open market or private purchase	$71,279 $25.01 p/Share	2,850 Added 25.08%	8,515 Ordinary Shares
Sep 07 2022	BUY Open market or private purchase	$33,989 $25.46 p/Share	1,335 Added 19.07%	5,665 Ordinary Shares
Jun 17 2022	SELL Payment of exercise price or tax liability	$41,660 $37.43 p/Share	1,113 Reduced 20.45%	4,330 Ordinary Shares
Jun 14 2022	BUY Grant, award, or other acquisition	-	3,183 Added 36.9%	5,443 Ordinary Shares
Jun 17 2021	BUY Grant, award, or other acquisition	-	2,260 Added 50.0%	2,260 Ordinary Shares

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