TriMas Ownership

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

Recent Insider Transactions

NasdaqGS:TRS Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
13 May 26	BuyUS$2,522	Daniel Tredwell	Individual	62.14	US$40.58
07 May 26	SellUS$206,495	Jodi Robin	Individual	5,000	US$41.61
05 Mar 26	BuyUS$2,354	Daniel Tredwell	Individual	59.77	US$39.38
12 Nov 25	BuyUS$2,351	Daniel Tredwell	Individual	73.6	US$31.94
11 Nov 25	BuyUS$62,920	Jeffrey Fielkow	Individual	2,000	US$31.46
11 Aug 25	BuyUS$2,348	Daniel Tredwell	Individual	66.36	US$35.39

Insider Trading Volume

Insider Buying: TRS insiders have sold more shares than they have bought in the past 3 months.

Ownership Breakdown

What is the ownership structure of TRS?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	54,064	0.13%
Individual Insiders	6,991,617	16.8%
Institutions	34,550,523	83.1%

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

Top Shareholders

Top 25 shareholders own 91.74% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
16.9%	Shahrokh Sedaghat	6,062,058	US$245.1m	0.01%	no data
10.1%	Bank of America Corporation	3,602,705	US$145.7m	2.42%	0.03%
7.01%	Allspring Global Investments, LLC	2,509,919	US$101.5m	-2.03%	0.14%
6.97%	BlackRock, Inc.	2,497,043	US$101.0m	4.16%	no data
6.31%	Dimensional Fund Advisors LP	2,259,891	US$91.4m	4.2%	0.01%
4.96%	Vanguard Portfolio Management, LLC	1,775,312	US$71.8m	0%	no data
4.41%	Vanguard Capital Management, LLC	1,581,339	US$63.9m	0%	no data
4.33%	Jefferies Financial Group Inc.	1,549,662	US$62.7m	-0.18%	0.75%
3.9%	Morgan Stanley	1,395,967	US$56.4m	97.1%	no data
3.36%	Permian Investment Partners, LP	1,202,500	US$48.6m	46%	2.92%
3.13%	Advisory Research, Inc.	1,119,686	US$45.3m	2.16%	5.05%
2.44%	Geode Capital Management, LLC	872,537	US$35.3m	-0.41%	no data
2.28%	State Street Global Advisors, Inc.	816,605	US$33.0m	-3.57%	no data
1.86%	SG Americas Securities, LLC	667,091	US$27.0m	688%	0.03%
1.74%	Massachusetts Financial Services Company	622,085	US$25.2m	-11.3%	0.01%
1.48%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	531,813	US$21.5m	-34.8%	no data
1.35%	Charles Schwab Investment Management, Inc.	483,841	US$19.6m	-2.81%	no data
1.31%	Two Sigma Investments, LP	470,391	US$19.0m	125%	0.02%
1.24%	Citadel Advisors LLC	444,883	US$18.0m	359%	0.01%
1.22%	Franklin Resources, Inc.	438,363	US$17.7m	0%	no data
1.22%	Loomis Sayles & Company, L.P.	436,921	US$17.7m	-3.41%	0.02%
1.13%	Wellington Management Group LLP	403,924	US$16.3m	-5.78%	no data
1.09%	Jane Street Group, LLC	390,306	US$15.8m	67%	0.01%
1.05%	Kennedy Capital Management LLC	376,780	US$15.2m	-44.5%	0.28%
1%	Arrowstreet Capital, Limited Partnership	357,387	US$14.4m	56.4%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/11 14:27
End of Day Share Price	2026/06/11 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

TriMas Corporation is covered by 14 analysts. 2 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Rudolf Hokanson	Barrington Research Associates, Inc.
Scott Graham	BMO Capital Markets Equity Research
Hamed Khorsand	BWS Financial Inc.