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

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.

Board connections

6 of this board's directors also sit on 8 other boards.

Network of TriMas Corporation's board connections AMETEK Inc. AMETEK Inc. Dauch Corporation Dauch Corporation Apogee Enterprises Inc. Apogee Enterprises Inc... Hexcel Corporation Hexcel Corporation Huntington Ingalls Industries Inc. Huntington Ingalls Ind... Kohl's Corporation Kohl's Corporation Union Pacific Corporation Union Pacific Corporat... nVent Electric plc nVent Electric plc Adrianne Shapira Adrianne Shapira Herbert K. Parker Herbert K. Parker Nick L. Stanage Nick L. Stanage Samuel Valenti III Samuel Valenti III Teresa Finley Teresa Finley Thomas A. Amato Thomas A. Amato TriMas Corporation
Shared director Other board Same sector

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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