Comparable stake leader
Trend International Holding AG
SEC ownership of TRIMAS CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000842633.
Disclosed value leader
Trend International Holding AG
Comparable rows
50/50
Latest evidence
13 May 2026
- Public ticker
- TRS on Nasdaq
- Parsed ownership sources
- 3/4/5, 13D/G, and 13F
- Largest SEC-reported holder
- Trend International Holding AG
- Latest 13D/G holder
- Trend International Holding AG
- Latest parsed ownership date
- 13 May 2026
- Issuer CIK
- 0000842633
- Issuer location
- Bloomfield Hills, MI
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of TRIMAS CORP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Trend International Holdi...
Disclosed value leader
Trend International Holdi...
Comparable rows
50/50
Latest evidence
13 May 2026
3/4/5
13D/G
13F
Lead comparable stake: 15%
13D/G row: Trend International Holding AG
Showing 1-8 of 50 holder rows.
Quick read
Trend International Holding AG leads the comparable SEC ownership view at 15%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Trend International Holding AG's linked filing trail.
Comparable ownership
Top 5
Trend International Holding AG
15%
BANK OF AMERICA CORP /DE/
10%
BlackRock, Inc.
6.2%
Allspring Global Investments Hold...
6.1%
FIDUCIARY MANAGEMENT INC /WI/
5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Trend International Holding AG |
3/4/5
13D/G
10%+ Owner · Shawn Sedaghat
|
15%
from 13D/G
|
$217,881,881
6,062,058 shares
|
— | 14 Apr 2026 |
| BANK OF AMERICA CORP /DE/ |
13D/G
13F
Company
|
10%
|
$144,875,426
4,161,891 shares
|
+$13,876,380 | 31 Dec 2025 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.2%
from 13D/G
|
$89,743,731
2,497,043 shares
|
— | 31 Mar 2026 |
| Allspring Global Investments Holdings, LLC |
13D/G
13F
Company
|
6.1%
|
$96,151,390
2,488,390 shares
|
$0 | 30 Sep 2025 |
| FIDUCIARY MANAGEMENT INC /WI/ |
13D/G
|
5%
|
$43,075,931
2,013,835 shares
|
-$12,770,386 | 10 Feb 2025 |
| WELLINGTON MANAGEMENT GROUP LLP |
13D/G
13F
Company
|
3.3%
|
$29,132,153
1,361,952 shares
|
$0 | 31 Mar 2025 |
| PZENA INVESTMENT MANAGEMENT LLC |
13D/G
13F
Company
|
3.2%
|
$50,319,650
1,302,265 shares
|
$0 | 30 Sep 2025 |
| Shawn Sedaghat |
3/4/5
Director, 10%+ Owner
|
15%
|
$217,881,881
6,062,058 shares
|
— | 14 Apr 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$30,708.
Buys
$175,787
Insiders: 3
Sells
$206,495
Insiders: 1
Net
-$30,708
Shares: +1,262
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 6,262
Shares: 5,000
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 62.14 | 5,000 | $2,522 | $206,495 | -$203,973 |
| 3-6 | 59.77 | 0 | $2,354 | $0 | +$2,354 |
| 6-9 | 2,074 | 0 | $65,271 | $0 | +$65,271 |
| 9-12 | 4,066 | 0 | $105,641 | $0 | +$105,641 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-19 of 19 reporting-owner rows connected to TRIMAS CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
19
Largest Forms 3/4/5 holder
Shawn Sedaghat
Net 12M change
-$134,001
Latest report
13 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Shawn Sedaghat | Director, 10%+ Owner | $217,881,881 | Median | 14 Apr 2026 | ||
| Trend International Holding AG | 10%+ Owner | $217,881,881 | Median | 14 Apr 2026 | ||
| Thomas A. Amato | President and CEO, Director | $8,031,493 | Mixed | 14 Mar 2025 | ||
| Thomas James Snyder | President and CEO, Director | $3,740,853 | Mixed | 24 Jun 2025 | ||
| Daniel P. Tredwell | Director | $2,844,672 | +$9,574 | +0.34% | Mixed | 13 May 2026 |
| Teresa M. Finley | Director | $2,749,071 | Mixed | 20 Mar 2026 | ||
| Herbert K. Parker | Director | $2,601,241 | Mixed | 14 Mar 2026 | ||
| Nick L. Stanage | Director | $1,925,244 | Mixed | 14 Mar 2026 | ||
| Jill S. Stress | Chief Human Resources Officer | $1,427,246 | Mixed | 14 Mar 2026 | ||
| Jodi F. Robin | General Counsel and Secretary | $1,422,516 | -$206,495 | -13% | Filing P/S | 05 May 2026 |
| Holly M. Boehne | Director | $1,156,369 | Mixed | 14 Mar 2026 | ||
| Scott A. Mell | Chief Financial Officer | $1,078,099 | Mixed | 14 Mar 2025 | ||
| Jeffrey A. Fielkow | Director | $768,839 | +$62,920 | +8.9% | Mixed | 14 Mar 2026 |
| Fabio Leandro Matheus Salik | President, TriMas Packaging | $693,415 | Mixed | 01 Aug 2023 | ||
| Paul Swart | Chief Financial Officer | $531,995 | Mixed | 14 Mar 2026 | ||
| Jeffrey M. Greene | Director | $498,166 | Mixed | 14 Mar 2025 | ||
| Adrianne Shapira | Director | $405,011 | Mixed | 14 Mar 2026 | ||
| Samuel Valenti III | Chairman, Director | $384,947 | Mixed | 14 Mar 2024 | ||
| John Philip Schaefer | President, TriMas Aerospace | $272,186 | Mixed | 07 Jun 2022 |
Recent insider transactions for TRIMAS CORP
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Daniel P. Tredwell | TRS | Common Stock | Purchase | 0.1% | $2,522 | $40.58 | 62.14 | 63,458 | 13 May 2026 | Direct |
| Jodi F. Robin | TRS | Common Stock | Sale | -5.53% | $83,210 | $41.60 | -2,000 | 34,191 | 07 May 2026 | Direct |
| Jodi F. Robin | TRS | Common Stock | Sale | -7.65% | $123,285 | $41.10 | -3,000 | 36,191 | 05 May 2026 | Direct |
| Sedaghat Shawn | TRS | Common Stock | Award | 0.02% | 640 | 4,178,300 | 14 Apr 2026 | Direct | ||
| Shawn Sedaghat | TRS | Common Stock | Award | 0.02% | 640 | 4,178,300 | 14 Apr 2026 | Direct | ||
| Teresa Finley | TRS | Common Stock | Tax liability | -7.61% | -6,192 | 75,152 | 20 Mar 2026 | Direct | ||
| Shawn Sedaghat | TRS | Common Stock | Award | 0.07% | 2,853 | 4,177,660 | 14 Mar 2026 | Direct | ||
| Paul Swart | TRS | Common Stock | Award | 85.3% | 6,849 | 14,881 | 14 Mar 2026 | Direct | ||
| Jodi F. Robin | TRS | Common Stock | Tax liability | -5.74% | -2,388 | 39,191 | 14 Mar 2026 | Direct | ||
| Jodi F. Robin | TRS | Common Stock | Award | 15% | 5,422 | 41,579 | 14 Mar 2026 | Direct | ||
| Jill S. Stress | TRS | Common Stock | Tax liability | -7.69% | -1,999 | 23,990 | 14 Mar 2026 | Direct | ||
| Jeffrey A. Fielkow | TRS | Common Stock | Award | 16.2% | 2,853 | 20,506 | 14 Mar 2026 | Direct | ||
| Adrianne Shapira | TRS | Common Stock | Award | 33.7% | 2,853 | 11,329 | 14 Mar 2026 | Direct | ||
| Herbert K. Parker | TRS | Common Stock | Award | 4.08% | 2,853 | 72,762 | 14 Mar 2026 | Direct | ||
| Holly M. Boehne | TRS | Common Stock | Award | 9.67% | 2,853 | 32,346 | 14 Mar 2026 | Direct | ||
| Nick L. Stanage | TRS | Common Stock | Award | 5.59% | 2,853 | 53,853 | 14 Mar 2026 | Direct | ||
| Daniel P. Tredwell | TRS | Common Stock | Award | 4.71% | 2,853 | 63,396 | 14 Mar 2026 | Direct | ||
| Teresa Finley | TRS | Common Stock | Award | 3.63% | 2,853 | 81,344 | 14 Mar 2026 | Direct | ||
| Jodi F. Robin | TRS | Common Stock | Tax liability | -3.03% | -1,128 | 36,157 | 11 Mar 2026 | Direct | ||
| Jill S. Stress | TRS | Common Stock | Tax liability | -4.16% | -1,128 | 25,989 | 11 Mar 2026 | Direct | ||
| Daniel P. Tredwell | TRS | Common Stock | Purchase | 0.1% | $2,354 | $39.38 | 59.77 | 60,543 | 05 Mar 2026 | Direct |
| Jodi F. Robin | TRS | Common Stock | Tax liability | -6.27% | -2,493 | 37,285 | 12 Feb 2026 | Direct | ||
| Jill S. Stress | TRS | Common Stock | Tax liability | -8.45% | -2,502 | 27,117 | 12 Feb 2026 | Direct | ||
| Paul Swart | TRS | Common Stock | Award | 719.6% | 7,052 | 8,032 | 01 Jan 2026 | Direct | ||
| Daniel P. Tredwell | TRS | Common Stock | Purchase | 0.12% | $2,351 | $31.94 | 73.6 | 60,483 | 12 Nov 2025 | Direct |
| Jeffrey A. Fielkow | TRS | Common Stock | Purchase | 12.8% | $62,920 | $31.46 | 2,000 | 17,653 | 11 Nov 2025 | Direct |
| Daniel P. Tredwell | TRS | Common Stock | Purchase | 0.11% | $2,348 | $35.39 | 66.36 | 60,409 | 11 Aug 2025 | Direct |
| Thomas James Snyder | TRS | Common Stock | Award | 152,439 | 152,439 | 24 Jun 2025 | Direct | |||
| Thomas James Snyder | TRS | Employee Stock Option (Right to buy) | Award | 900,000 | 200,000 | 24 Jun 2025 | Direct | |||
| Adrianne Shapira | TRS | Common Stock | Purchase | 89.4% | $103,292 | $25.82 | 4,000 | 8,476 | 05 Jun 2025 | Direct |
* marks a reported price that did not pass the local price check.