SEC Form 4 · Updated Daily
TRS
— TRIMAS CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Metaldyne Investment Fund I, LLC | 10%+ Owner | 11,805,779 | 2007-05-17 | — |
| TriMas Investment Fund I, LLC | 10%+ Owner | 11,805,779 | 2007-05-17 | — |
| HIP Side-by-Side Partners, LP | 10%+ Owner | 11,805,779 | 2007-05-17 | — |
| TriMas Investment Fund II, LLC | 10%+ Owner | 11,805,779 | 2007-05-17 | — |
| Metaldyne Investment Fund II, LLC | 10%+ Owner | 11,805,779 | 2007-05-17 | — |
| SEDAGHAT SHAWN | 10%+ Owner · Director | 4,179,566 | 2026-10-13 | A |
| Trend International Holding AG | 10%+ Owner | 4,179,566 | 2026-10-13 | A |
| HEARTLAND INDUSTRIAL ASSOCIATES LLC | 10%+ Owner | 2,404,972 | 2013-02-27 | S |
| Masco Capital CORP | 10%+ Owner | 2,173,913 | 2007-05-17 | — |
| MASCO CORP /DE/ | 10%+ Owner | 2,173,913 | 2007-05-17 | — |
| HIP INVESTMENT HOLDINGS I, LLC | Reporting Owner | 2,009,076 | 2010-05-26 | S |
| Wathen David M | Director | 620,163 | 2016-03-04 | F |
| AMATO THOMAS A | Director | 340,099 | 2025-03-14 | A |
| BEARD GRANT H | Director | 166,082 | 2009-01-13 | D |
| Snyder Thomas James | Director · Officer | 130,284 | 2026-06-24 | F |
| MILLER EUGENE A | Director | 101,532 | 2020-04-01 | A |
| Finley Teresa | Director | 75,152.301 | 2026-03-20 | F |
| Gabrys Richard Marcel | Director | 66,200 | 2019-05-01 | A |
| Zeffiro A Mark | Officer | 64,028 | 2014-10-29 | M |
| Tredwell Daniel P | Director | 63,521.625 | 2026-08-12 | P |
| Zalupski Robert J | Officer | 62,419 | 2021-03-11 | A |
| Parker Herbert K | Director | 57,762 | 2026-06-30 | S |
| Stanage Nick L | Director | 53,853 | 2026-03-14 | A |
| Mell Scott A | Officer | 46,473.78 | 2025-03-14 | A |
| COHEN MARSHALL A | Director | 43,770 | 2016-01-01 | A |
| Robin Jodi F. | Officer | 36,191 | 2026-05-05 | S |
| Hindman Colin E | Officer | 34,145 | 2016-03-04 | F |
| Boehne Holly M | Director | 32,346 | 2026-03-14 | A |
| Brooks Lynn A | Officer | 29,283 | 2014-05-27 | S |
| Salik Fabio Leandro Matheus | Officer | 28,245 | 2023-08-01 | F |
| Benson Thomas M | Officer | 25,790 | 2014-12-26 | G |
| Gougarty Nancy | Director | 24,403 | 2019-05-17 | S |
| Paulsen Jeffrey B | Officer | 24,000 | 2008-04-02 | A |
| Stress Jill S. | Officer | 23,990 | 2026-03-14 | F |
| Schwartz Edward L | Reporting Owner | 20,683 | 2009-03-05 | D |
| GREENE JEFFREY M | Director | 20,628 | 2025-03-14 | A |
| Fielkow Jeffrey A | Director | 20,506 | 2026-03-14 | A |
| Sherbin Joshua A | Officer | 19,829 | 2021-03-05 | S |
| Autry Elvin R Jr | Reporting Owner | 19,325 | 2007-09-01 | A |
| Valenti Samuel III | Director | 15,661 | 2024-03-14 | A |
| Swart Paul | Officer | 14,881 | 2026-03-14 | A |
| Newcom Dwayne M | Reporting Owner | 12,000 | 2008-04-02 | A |
| SHAPIRA ADRIANNE | Director | 11,329 | 2026-03-14 | A |
| Schaefer John Philip | Officer | 11,087 | 2022-06-07 | S |
| CAMPBELL BRIAN P/ | Director | 2,000 | 2007-11-28 | P |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-13 | Trend International Holding AG | Grant / award | 651 | $38.40 | 4,179,566 |
| 2026-10-13 | SEDAGHAT SHAWN | Grant / award | 651 | $38.40 | 4,179,566 |
| 2026-08-12 | Tredwell Daniel P | Open-market buy | 63.692 | $39.63 | 63,521.625 |
| 2026-07-14 | Trend International Holding AG | Grant / award | 615 | $40.64 | 4,178,915 |
| 2026-07-14 | SEDAGHAT SHAWN | Grant / award | 615 | $40.64 | 4,178,915 |
| 2026-06-30 | Parker Herbert K | Open-market sale | 15,000 | $45.03 | 57,762 |
| 2026-06-24 | Snyder Thomas James | Tax withholding | 22,155 | $43.60 | 130,284 |
| 2026-05-13 | Tredwell Daniel P | Open-market buy | 62.142 | $40.58 | 63,457.933 |
| 2026-05-07 | Robin Jodi F. | Open-market sale | 2,000 | $41.60 | 34,191 |
| 2026-05-05 | Robin Jodi F. | Open-market sale | 3,000 | $41.09 | 36,191 |
| 2026-04-14 | Trend International Holding AG | Grant / award | 640 | $39.03 | 4,178,300 |
| 2026-04-14 | SEDAGHAT SHAWN | Grant / award | 640 | $39.03 | 4,178,300 |
| 2026-03-20 | Finley Teresa | Tax withholding | 6,192 | $34.04 | 75,152.301 |
| 2026-03-14 | Finley Teresa | Grant / award | 2,853 | $0.00 | 81,344.301 |
| 2026-03-14 | Tredwell Daniel P | Grant / award | 2,853 | $0.00 | 63,395.791 |
| 2026-03-14 | Stanage Nick L | Grant / award | 2,853 | $0.00 | 53,853 |
| 2026-03-14 | Boehne Holly M | Grant / award | 2,853 | $0.00 | 32,346 |
| 2026-03-14 | Parker Herbert K | Grant / award | 2,853 | $0.00 | 72,762 |
| 2026-03-14 | SHAPIRA ADRIANNE | Grant / award | 2,853 | $0.00 | 11,329 |
| 2026-03-14 | Fielkow Jeffrey A | Grant / award | 2,853 | $0.00 | 20,506 |
| 2026-03-14 | Stress Jill S. | Tax withholding | 1,999 | $35.04 | 23,990 |
| 2026-03-14 | Robin Jodi F. | Tax withholding | 2,388 | $35.04 | 39,191 |
| 2026-03-14 | Robin Jodi F. | Grant / award | 5,422 | $0.00 | 41,579 |
| 2026-03-14 | Swart Paul | Grant / award | 6,849 | $0.00 | 14,881 |
| 2026-03-14 | Trend International Holding AG | Grant / award | 2,853 | $0.00 | 4,177,660 |
| 2026-03-14 | SEDAGHAT SHAWN | Grant / award | 2,853 | $0.00 | 4,177,660 |
| 2026-03-11 | Stress Jill S. | Tax withholding | 1,128 | $36.93 | 25,989 |
| 2026-03-11 | Robin Jodi F. | Tax withholding | 1,128 | $36.93 | 36,157 |
| 2026-03-05 | Tredwell Daniel P | Open-market buy | 59.769 | $39.38 | 60,542.791 |
| 2026-02-12 | Stress Jill S. | Tax withholding | 2,502 | $35.75 | 27,117 |
| 2026-02-12 | Robin Jodi F. | Tax withholding | 2,493 | $35.75 | 37,285 |
| 2026-01-01 | Swart Paul | Grant / award | 7,052 | $0.00 | 8,032 |
| 2025-12-15 | Swart Paul | — | — | — | 980 |
| 2025-11-12 | Tredwell Daniel P | Open-market buy | 73.598 | $31.94 | 60,483.022 |
| 2025-11-11 | Fielkow Jeffrey A | Open-market buy | 2,000 | $31.46 | 17,653 |
| 2025-08-11 | Tredwell Daniel P | Open-market buy | 66.356 | $35.39 | 60,409.424 |
| 2025-06-24 | Snyder Thomas James | Grant / award (derivative) | 200,000 | $0.00 | 200,000 |
| 2025-06-24 | Snyder Thomas James | Grant / award (derivative) | 100,000 | $0.00 | 100,000 |
| 2025-06-24 | Snyder Thomas James | Grant / award | 152,439 | $0.00 | 152,439 |
| 2025-06-05 | SHAPIRA ADRIANNE | Open-market buy | 4,000 | $25.82 | 8,476 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.