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
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
11 Aug 25	Buy€2,025	Daniel Tredwell	Individual	66.36	€30.52
05 Jun 25	Buy€117,777	Adrianne Shapira	Individual	5,200	€22.98
22 May 25	Buy€10,935,157	Shahrokh Sedaghat	Individual	483,109	€23.19
22 May 25	Buy€10,935,157	Shahrokh Sedaghat	Individual	483,109	€23.19
20 May 25	Buy€8,132,744	Shahrokh Sedaghat	Individual	359,357	€22.85
19 May 25	Buy€11,094	Jeffrey Fielkow	Individual	500	€22.19
12 May 25	Buy€2,108	Daniel Tredwell	Individual	94.85	€22.23
01 May 25	Buy€2,967,510	Shahrokh Sedaghat	Individual	140,318	€21.27

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	54,064	0.123%
Individual Insiders	6,999,254	16%
Institutions	36,783,216	83.9%

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

Top Shareholders

Top 25 shareholders own 88.3% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
16.1%	Shahrokh Sedaghat	6,058,565	€178.8m	0%	no data
9.52%	The Vanguard Group, Inc.	3,582,932	€105.7m	0.25%	no data
9.34%	Bank of America Corporation	3,517,694	€103.8m	-0.69%	0.03%
6.8%	Allspring Global Investments, LLC	2,562,028	€75.6m	2.96%	0.13%
6.37%	BlackRock, Inc.	2,397,282	€70.7m	-4.31%	no data
5.76%	Dimensional Fund Advisors LP	2,168,888	€64.0m	-2.3%	0.01%
4.12%	Jefferies Financial Group Inc.	1,552,499	€45.8m	0%	0.46%
2.91%	Advisory Research, Inc.	1,096,013	€32.3m	46%	4.73%
2.33%	Geode Capital Management, LLC	876,156	€25.9m	0.05%	no data
2.25%	State Street Global Advisors, Inc.	846,830	€25.0m	-5.32%	no data
2.19%	Permian Investment Partners, LP	823,481	€24.3m	0%	1.83%
2.17%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	815,348	€24.1m	4.52%	0.01%
1.88%	Morgan Stanley	708,210	€20.9m	389%	no data
1.86%	Massachusetts Financial Services Company	701,134	€20.7m	-20.9%	0.01%
1.82%	BelleCapital A.G	685,855	€20.2m	0%	3.13%
1.8%	Kennedy Capital Management LLC	678,672	€20.0m	-12.9%	0.49%
1.5%	Alta Fox Capital Management, LLC	563,375	€16.6m	67.6%	4.08%
1.43%	Pzena Investment Management, Inc.	538,371	€15.9m	-58.7%	0.03%
1.32%	Charles Schwab Investment Management, Inc.	497,826	€14.7m	-4.3%	no data
1.24%	Alberta Investment Management Corporation	468,400	€13.8m	0%	0.1%
1.2%	Loomis Sayles & Company, L.P.	452,362	€13.3m	12.6%	0.02%
1.19%	Point72 Asset Management, L.P.	446,346	€13.2m	3.65%	0.03%
1.16%	Franklin Resources, Inc.	438,363	€12.9m	-5.07%	no data
1.14%	Wellington Management Group LLP	428,720	€12.7m	-20.7%	no data
0.91%	First Manhattan Co. LLC	342,070	€10.1m	-3.82%	0.03%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/03/20 13:34
End of Day Share Price	2026/03/20 00:00
Earnings	2025/12/31
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.