TSEOQ

Trinseo PLC

Company with tickers: TSEOF

CIK

1519061

Shares Outstanding

36,559,868

Website

https://www.trinseo.com

Investor Relations

https://investor.trinseo.com/overview/default.aspx

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-12	COTE JEFFREY J	Director, CEO and President	Other	42,484	—	—	45,699
2026-05-12	Desmond Jeanmarie F.	Director	Other	42,484	—	—	46,552
2026-05-12	LIN SANDRA BEACH	Director	Other	42,484	—	—	44,776
2026-05-12	Johnson KLynne	Director	Other	42,484	—	—	48,429
2026-05-12	FARRELL MATTHEW	Director	Other	42,484	—	—	207,741
2026-05-12	STEINMETZ HENRI	Director	Other	42,484	—	—	53,453
2026-05-12	ALVARADO JOSEPH	Director	Other	42,484	—	—	52,187
2026-05-12	Brifo Victoria	Exec VP, Chief HR Officer	Other	42,484	—	—	40,741
2026-02-27	Chaclas Angelo N.	SVP, CLO, CCO & CORP. SEC.	Tax	7,607	$0.23	$1,750	274,798
2026-02-27	van Kessel Bregje	SVP, Corporate Finance & IR	Tax	6,064	$0.23	$1,395	98,296
2026-02-27	Greene Roger	VP, GLOBAL CONTROLLER & PAO	Tax	2,517	$0.23	$579	45,101
2026-02-27	Hendriks Han	SVP, CHIEF TECHNOLOGY OFFICER	Tax	7,707	$0.23	$1,773	73,362
2026-02-27	Cooney Paula M.	SVP, CHRO	Tax	7,670	$0.23	$1,764	118,318
2026-02-27	Stasse David Phillip	EVP AND CFO	Tax	10,366	$0.23	$2,384	254,788
2026-02-27	Schewe Rainer	SVP, SUPPLY CHAIN & MFG SVCS	Tax	4,028	$0.23	$926	103,415
2026-02-27	BOZICH FRANK A	Director, CEO AND PRESIDENT	Tax	23,680	$0.23	$5,446	664,689
2026-02-27	Yang Arthas Bing	SVP, Latex Binders	Tax	2,548	$0.23	$586	49,457
2026-02-27	Reverberi Francesca	SVP, EM and Polymer Solutions	Tax	1,385	$0.23	$319	161,250
2026-02-22	van Kessel Bregje	SVP, Corporate Finance & IR	Tax	1,335	$0.33	$437	104,360
2026-02-22	Hendriks Han	SVP, CHIEF TECHNOLOGY OFFICER	Tax	2,291	$0.33	$751	81,069
2026-02-22	Stasse David Phillip	EVP AND CFO	Tax	9,671	$0.33	$3,168	265,154
2026-02-22	BOZICH FRANK A	Director, CEO AND PRESIDENT	Tax	32,602	$0.33	$10,680	688,369
2026-02-22	Yang Arthas Bing	SVP, Latex Binders	Tax	547	$0.33	$179	52,005
2026-02-22	Schewe Rainer	SVP, SUPPLY CHAIN & MFG SVCS	Tax	1,206	$0.33	$395	107,443
2026-02-22	Chaclas Angelo N.	SVP, CLO, CCO & CORP. SEC.	Tax	7,098	$0.33	$2,325	282,405
2026-02-22	Cooney Paula M.	SVP, CHRO	Tax	2,684	$0.33	$879	125,988
2026-02-22	Reverberi Francesca	SVP, EM and Polymer Solutions	Tax	333	$0.33	$109	162,635
2026-02-21	Stasse David Phillip	EVP AND CFO	Tax	5,028	$0.33	$1,647	274,825
2026-02-21	Chaclas Angelo N.	SVP, CLO, CCO & CORP. SEC.	Tax	3,690	$0.33	$1,209	289,503
2026-02-21	Hendriks Han	SVP, CHIEF TECHNOLOGY OFFICER	Tax	6,331	$0.33	$2,074	83,360
2026-02-21	Schewe Rainer	SVP, SUPPLY CHAIN & MFG SVCS	Tax	3,907	$0.33	$1,280	108,649
2026-02-21	van Kessel Bregje	SVP, Corporate Finance & IR	Tax	5,963	$0.33	$1,953	105,695
2026-02-21	Yang Arthas Bing	SVP, Latex Binders	Tax	1,898	$0.33	$622	52,552
2026-02-21	Cooney Paula M.	SVP, CHRO	Tax	7,440	$0.33	$2,437	128,672
2026-02-21	Reverberi Francesca	SVP, EM and Polymer Solutions	Tax	1,163	$0.33	$381	162,968
2026-02-21	Greene Roger	VP, GLOBAL CONTROLLER & PAO	Tax	2,238	$0.33	$733	47,618
2026-01-16	Frizzley Jill Kathleen	Director	Other	0	—	—	0
2026-01-16	Flaton Carol	Director	Other	0	—	—	0
2025-10-03	Hendriks Han	SVP, CHIEF TECHNOLOGY OFFICER	Tax	2,067	$2.33	$4,816	89,691
2025-09-30	Frisch Johanna	VP AND TREASURER	Tax	2,194	$2.35	$5,156	15,898
2025-09-25	Greene Roger	VP, GLOBAL CONTROLLER & PAO	Tax	1,617	$2.57	$4,156	49,856
2025-08-14	FARRELL MATTHEW	Director	Buy	48,609	$2.43	$118,120	250,225
2025-08-13	FARRELL MATTHEW	Director	Buy	26,391	$2.45	$64,658	201,616
2025-08-12	FARRELL MATTHEW	Director	Buy	25,000	$2.29	$57,250	175,225
2025-06-25	Brifo Victoria	Exec VP, Chief HR Officer	Award	42,484	—	—	83,225
2025-06-25	LIN SANDRA BEACH	Director	Award	42,484	—	—	87,260
2025-06-25	Desmond Jeanmarie F.	Director	Award	42,484	—	—	89,036
2025-06-25	Johnson KLynne	Director	Award	42,484	—	—	90,913
2025-06-25	STEINMETZ HENRI	Director	Award	42,484	—	—	95,937
2025-06-25	FARRELL MATTHEW	Director	Award	42,484	—	—	150,225

Showing 1–50 of 548 transactions