TriMas Ownership

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

Recent Insider Transactions

DB:MQ1 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
12 Aug 26	Buy€2,187	Daniel Tredwell	Individual	63.69	€34.34
13 May 26	Buy€2,154	Daniel Tredwell	Individual	62.14	€34.66
07 May 26	Sell€175,438	Jodi Robin	Individual	5,000	€35.35
05 Mar 26	Buy€2,035	Daniel Tredwell	Individual	59.77	€34.06
12 Nov 25	Buy€2,028	Daniel Tredwell	Individual	73.6	€27.55
11 Nov 25	Buy€54,256	Jeffrey Fielkow	Individual	2,000	€27.13

Insider Trading Volume

Insider Buying: MQ1 insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of MQ1?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	0	0%
Individual Insiders	6,955,141	18.9%
Institutions	29,919,953	81.1%

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

Top Shareholders

Top 25 shareholders own 78.76% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
16.9%	Shahrokh Sedaghat	6,062,673	€200.2m	0.01%	no data
7.05%	BlackRock, Inc.	2,530,345	€83.6m	1.33%	no data
6.3%	Dimensional Fund Advisors LP	2,259,471	€74.6m	-0.02%	0.01%
5.31%	Allspring Global Investments, LLC	1,904,393	€62.9m	-24.1%	0.1%
4.69%	Vanguard Portfolio Management, LLC	1,681,687	€55.5m	-5.27%	no data
4.46%	Vanguard Capital Management, LLC	1,599,258	€52.8m	-10.9%	no data
3.38%	Advisory Research, Inc.	1,211,587	€40.0m	8.21%	4.8%
3.25%	Permian Investment Partners, LP	1,165,414	€38.5m	-3.08%	2.94%
3.21%	American Century Investment Management Inc	1,150,388	€38.0m	399%	0.01%
2.84%	Geode Capital Management, LLC	1,019,286	€33.7m	16.8%	no data
2.74%	Jefferies Financial Group Inc.	981,933	€32.4m	-36.6%	0.36%
2.25%	Punch & Associates Investment Management, Inc.	807,292	€26.7m	230%	1.57%
2.19%	State Street Investment Management	784,145	€25.9m	-3.97%	no data
1.61%	Arrowstreet Capital, Limited Partnership	579,276	€19.1m	62.1%	0.01%
1.52%	Massachusetts Financial Services Company	543,685	€18.0m	-12.6%	no data
1.46%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	523,712	€17.3m	-1.52%	no data
1.26%	Two Sigma Investments, LP	453,425	€15.0m	-3.61%	0.01%
1.21%	Citadel Advisors LLC	432,376	€14.3m	-2.81%	0.01%
1.2%	Loomis, Sayles & Company, L.P.	430,537	€14.2m	-1.46%	0.02%
1.18%	Charles Schwab Investment Management, Inc.	424,865	€14.0m	-12.2%	no data
1.02%	BNY Asset Management	365,841	€12.1m	102%	no data
1.01%	Oberweis Asset Management, Inc.	362,000	€12.0m	0%	0.26%
0.92%	First Eagle Investment Management, LLC	331,556	€11.0m	4.26%	0.01%
0.92%	First Manhattan Co. LLC	329,720	€10.9m	-3.3%	0.03%
0.89%	Jane Street Group, LLC	319,484	€10.6m	-18.2%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/08/21 20:13
End of Day Share Price	2026/08/21 00:00
Earnings	2026/06/30
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.