Trinseo Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:TSE Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
14 Dec 23	BuyUS$360,500	Matthew Farrell	Individual	50,000	US$7.21
14 Sep 23	BuyUS$133,350	David Stasse	Individual	15,000	US$8.89
13 Sep 23	BuyUS$19,850	Jeanmarie Desmond	Individual	2,500	US$7.94
12 Sep 23	BuyUS$64,560	Frank Bozich	Individual	8,000	US$8.07
12 Sep 23	BuyUS$23,820	Timothy Thomas	Individual	3,000	US$7.94
12 Sep 23	BuyUS$161,400	Angelo Chaclas	Individual	20,000	US$8.07

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of TSE?
Owner Type	Number of Shares	Ownership Percentage
State or Government	1,771	0.00502%
Private Companies	7,097	0.0201%
Individual Insiders	549,555	1.56%
General Public	5,296,721	15%
Institutions	29,408,417	83.4%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 71.51% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
21.6%	M&G Investment Management Limited	7,625,044	US$26.0m	0%	0.06%
7.48%	BlackRock, Inc.	2,638,164	US$9.0m	0.06%	no data
4.64%	Charles Schwab Investment Management, Inc.	1,636,068	US$5.6m	35.9%	no data
4.61%	Hotchkis and Wiley Capital Management, LLC	1,627,240	US$5.5m	45.3%	0.02%
4.25%	Fuller & Thaler Asset Management, Inc.	1,497,137	US$5.1m	-4.54%	0.03%
2.9%	The Vanguard Group, Inc.	1,022,437	US$3.5m	9.65%	no data
2.56%	Jacobs Levy Equity Management Inc	903,728	US$3.1m	32.4%	0.02%
2.48%	Millennium Management LLC	875,557	US$3.0m	-33.1%	no data
2.24%	State Street Global Advisors, Inc.	788,567	US$2.7m	-3.83%	no data
2.19%	DePrince, Race & Zollo, Inc.	773,180	US$2.6m	-23.7%	0.06%
2.13%	Geode Capital Management, LLC	749,822	US$2.6m	4.6%	no data
1.51%	Citadel Advisors LLC	533,703	US$1.8m	-14.6%	no data
1.46%	Morgan Stanley, Investment Banking and Brokerage Investments	515,465	US$1.8m	236%	no data
1.3%	AQR Capital Management, LLC	457,335	US$1.6m	32.9%	no data
1.16%	Russell Investment Management, LLC	407,522	US$1.4m	-24.8%	no data
1.07%	D. E. Shaw & Co., L.P.	375,937	US$1.3m	0.48%	no data
1.05%	Dimensional Fund Advisors LP	371,027	US$1.3m	-42.5%	no data
1.01%	Walleye Capital LLC	356,934	US$1.2m	23.2%	0.01%
1.01%	Columbia Management Investment Advisers, LLC	356,110	US$1.2m	48%	no data
1%	Squarepoint OPS LLC	353,078	US$1.2m	78.7%	0.01%
0.87%	Qube Research & Technologies Ltd	307,760	US$1.0m	4.37%	no data
0.87%	Northern Trust Global Investments	306,015	US$1.0m	-11.2%	no data
0.81%	Bridgeway Capital Management, LLC	286,400	US$976.6k	-33.6%	0.02%
0.68%	Two Sigma Investments, LP	238,489	US$813.2k	189%	no data
0.61%	Thomist Capital Management, LP	215,830	US$736.0k	0%	0.37%