TriMas Corporation
Last updated September 27, 2026
Organization details
- Legal name
- TriMas Corporation
- Ownership
- Public
- Status
- Active
- SIC code
- 3460 — Metal Forgings & Stampings
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- Bloomfield Hills
- Headquarters state / province
- Michigan
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- TRS
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000842633
- EIN
- 38-2687639
Board of directors
-
Adrianne Shapira · DirectorSince 2025
-
Daniel P. Tredwell · DirectorSince 2023
-
Herbert K. Parker · DirectorSince 2023
-
Holly M. Boehne · DirectorSince 2023
-
Jeffrey A. Fielkow · DirectorSince 2023
-
Jeffrey M. Greene · DirectorSince 2023
-
Nick L. Stanage · DirectorSince 2023
-
Samuel Valenti III · Director · ChairmanSince 2023
-
Shawn Sedaghat · DirectorSince 2025
-
Teresa Finley · Director · Interim CFOSince 2023
-
Thomas A. Amato · Director · President and CEOSince 2023
-
Thomas James Snyder · Director · President and CEOSince 2025
Chief executives
Thomas James Snyder
· President and CEO
Since June 2025
Thomas A. Amato
· President and CEO
Until June 2025
· Former
Director election results
Annual meeting of May 20, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
90.0%
-
97.6%
Board connections
6 of this board's directors also sit on 8 other boards.
- via Nick L. Stanage and Thomas A. Amato
- via Herbert K. Parker and Samuel Valenti III
- via Herbert K. Parker
- via Nick L. Stanage
- via Nick L. Stanage
- via Adrianne Shapira
- via Teresa Finley
- via Herbert K. Parker
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $72,670
- 5 purchases by 2 insiders
- Sold, last 12 months
- $881,985
- 3 sales by 2 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 12, 2026 | Daniel P. Tredwell Director | Open-market purchase | +64 | $39.63 | $2,524 |
| Jul 14, 2026 | Shawn Sedaghat Director, 10% owner | Grant or award | +615 | $40.64 | $24,994 |
| Jun 30, 2026 | Herbert K. Parker Director | Open-market sale | −15,000 | $45.03 | $675,465 |
| Jun 24, 2026 | Thomas James Snyder Director, Officer (President and CEO) | Shares withheld for tax | −22,155 | $43.60 | $965,958 |
| May 13, 2026 | Daniel P. Tredwell Director | Open-market purchase | +62 | $40.58 | $2,522 |
| May 7, 2026 | Robin Jodi F. Officer (General Counsel and Secretary) | Open-market sale | −2,000 | $41.61 | $83,220 |
| May 5, 2026 | Robin Jodi F. Officer (General Counsel and Secretary) | Open-market sale | −3,000 | $41.10 | $123,300 |
| Apr 14, 2026 | Shawn Sedaghat Director, 10% owner | Grant or award | +640 | $39.03 | $24,979 |
| Mar 20, 2026 | Teresa Finley Director | Shares withheld for tax | −6,192 | $34.04 | $210,776 |
| Mar 14, 2026 | Shawn Sedaghat Director, 10% owner | Grant or award | +2,853 | — | — |
| Mar 14, 2026 | Swart Paul Officer (Chief Financial Officer) | Grant or award | +6,849 | — | — |
| Mar 14, 2026 | Robin Jodi F. Officer (General Counsel and Secretary) | Grant or award | +5,422 | — | — |
| Mar 14, 2026 | Stress Jill S. Officer (Chief Human Resources Officer) | Shares withheld for tax | −1,999 | $35.04 | $70,045 |
| Mar 14, 2026 | Jeffrey A. Fielkow Director | Grant or award | +2,853 | — | — |
| Mar 14, 2026 | Adrianne Shapira Director | Grant or award | +2,853 | — | — |
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