TriMas Corporation (TRS)
Nasdaq: TRS · Metal Forgings & Stampings · Bloomfield Hills, MI · filing with the SEC since 1994
Grade4.6
◀ Past 5.1● Present 4.0▶ Future 5.0
Who owns TriMas Corporation
As filed with the SECHolders of 5% or more
3
Shawn Sedaghat holds 16.9% of Common Stock, par value $0.01 per share, as its SCHEDULE 13D/A filed Jun 8, 2026 says.
Directors and officers
12
report now, of 26 people on the record since 2007. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Shawn Sedaghat
SCHEDULE 13D/A · filed Jun 8, 2026 · Common Stock, par value $0.01 per share · 14.9% in May 22, 2025
Bank of America Corporation
SCHEDULE 13G/A · filed Feb 11, 2026 · Common Stock · 9.2% in Aug 13, 2025
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 16, 2025 · Common Stock
Fiduciary Management Inc /wi/
SCHEDULE 13G · filed Feb 20, 2025 · Common Stock · reported falling below 5%, from 6.4% in Feb 14, 2025
Allspring Global Investments Holdings, LLC
SCHEDULE 13G/A · filed Oct 7, 2026 · Common Stock SH · reported falling below 5%, from 6.1% in Oct 10, 2025
Wellington Management Group LLP
SCHEDULE 13G/A · filed May 12, 2025 · Common Stock · reported falling below 5%
Pzena Investment Management LLC
SCHEDULE 13G/A · filed Oct 14, 2025 · Common Stock · reported falling below 5%
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 9.14% in Jul 29, 2025
Capital International Investors
SCHEDULE 13G/A · filed Feb 13, 2026 · Common Stock · reported falling below 5%, from 7.1% in Nov 13, 2025
Wasatch Advisors LP
SCHEDULE 13G · filed Feb 11, 2025 · Common Stock · reported falling below 5%
What TRS reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
GMT Aerospace
A company bought · acquisition · Feb 2025 · owns, named in the 10-K filed Mar 2, 2026
Aarts Packaging B.V.
A company bought · acquisition · Jan 2023 · owns, named in the 10-K filed Mar 2, 2026
Weldmac Manufacturing Company
A company bought · acquisition · owns, named in the 10-K filed Mar 2, 2026
27 subsidiaries in 11 countries, from the list filed with the 10-K filed Mar 2, 2026.
Insider tradesForm 4
3sales
5purchases
1sales on a scheduled plan
2people selling
$900,000sold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Oct 14, 2025 to Oct 14, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 14, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 27 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Parker Herbert K | director | 1 | $700,000 | 1 | 0 | $0 |
| Robin Jodi F. | General Counsel and Secretary | 2 | $200,000 | 0 | 0 | $0 |
| Tredwell Daniel P | director | 0 | $0 | 0 | 4 | $0 |
| Fielkow Jeffrey A | director | 0 | $0 | 0 | 1 | $100,000 |