TRS Insider Trading

Insider Ownership Percentage: 14.20%
Insider Buying (Last 12 Months): $43,991,175.46
Insider Selling (Last 12 Months): $49,993.72

TriMas Insider Trading History Chart

This chart shows the insider buying and selling history at TriMas by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

TriMas Share Price & Price History

Current Price: $32.72
Price Change: Price Decrease of -1.46 (-4.27%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for TRS up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

TriMas Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/12/2025Daniel P TredwellDirectorBuy74$31.94$2,363.5660,483View SEC Filing Icon  
11/11/2025Jeffrey A FielkowDirectorBuy2,000$31.46$62,920.0017,653View SEC Filing Icon  
8/11/2025Daniel P TredwellDirectorBuy66$35.39$2,335.7460,409View SEC Filing Icon  
6/5/2025Adrianne ShapiraDirectorBuy4,000$25.82$103,280.008,476View SEC Filing Icon  
6/4/2025Adrianne ShapiraDirectorBuy1,200$26.31$31,572.004,476View SEC Filing Icon  
5/22/2025Shawn SedaghatDirectorBuy72,937$26.16$1,908,031.921,883,758View SEC Filing Icon  
5/21/2025Shawn SedaghatDirectorBuy410,172$25.43$10,430,673.961,810,821View SEC Filing Icon  
5/20/2025Shawn SedaghatDirectorBuy104,957$25.70$2,697,394.901,400,649View SEC Filing Icon  
5/19/2025Jeffrey A FielkowDirectorBuy500$24.98$12,490.0015,653View SEC Filing Icon  
5/19/2025Shawn SedaghatDirectorBuy254,400$25.39$6,459,216.001,295,692View SEC Filing Icon  
5/12/2025Daniel P TredwellDirectorBuy95$24.72$2,348.4060,343View SEC Filing Icon  
4/30/2025Shawn SedaghatDirectorBuy123,388$23.83$2,940,336.041,024,362View SEC Filing Icon  
3/10/2025Shawn SedaghatDirectorBuy554,149$24.07$13,338,366.43900,974View SEC Filing Icon  
3/7/2025Shawn SedaghatDirectorBuy249,597$23.83$5,947,896.51346,825View SEC Filing Icon  
3/6/2025Scott A MellCFOSell2,218$22.54$49,993.7226,288View SEC Filing Icon  
2/28/2025Jeffrey A FielkowDirectorBuy2,500$20.78$51,950.0011,013View SEC Filing Icon  
11/11/2024Daniel P TredwellDirectorBuy79$27.51$2,173.2951,013View SEC Filing Icon  
8/12/2024Daniel P TredwellDirectorBuy92$23.71$2,181.3250,934View SEC Filing Icon  
5/21/2024Scott A MellCFOSell1,500$27.30$40,950.0031,923View SEC Filing Icon  
5/10/2024Daniel P TredwellDirectorBuy81$26.80$2,170.8050,842View SEC Filing Icon  
5/8/2024Herbert K ParkerDirectorBuy6,000$26.27$157,620.0051,157View SEC Filing Icon  
5/6/2024Herbert K ParkerDirectorBuy6,100$26.52$161,772.0039,157View SEC Filing Icon  
5/3/2024Herbert K ParkerDirectorBuy1,500$26.34$39,510.0033,057View SEC Filing Icon  
5/1/2024Herbert K ParkerDirectorBuy1,000$25.98$25,980.0030,057View SEC Filing Icon  
3/4/2024Jeffrey A FielkowDirectorBuy1,000$23.86$23,860.004,445View SEC Filing Icon  
3/1/2024Thomas A. AmatoCEOBuy10,000$23.62$236,200.00286,168View SEC Filing Icon  
11/7/2023Daniel P TredwellDirectorBuy10$24.22$242.2046,683View SEC Filing Icon  
10/31/2023Scott A MellCFOSell1,036$24.16$25,029.7624,628View SEC Filing Icon  
8/11/2023Teresa FinleyDirectorBuy19$26.05$494.9528,863View SEC Filing Icon  
8/8/2023Daniel P TredwellDirectorBuy10$25.16$251.6046,672View SEC Filing Icon  
8/3/2023Scott A MellCFOSell1,200$25.80$30,960.0025,664View SEC Filing Icon  
7/28/2023Paul SwartCAOSell5,500$27.41$150,755.0026,749View SEC Filing Icon  
5/12/2023Scott A MellCFOSell1,150$25.41$29,221.5028,518View SEC Filing Icon  
5/11/2023Daniel P TredwellDirectorBuy10$25.21$252.1046,662View SEC Filing Icon  
5/4/2023Jeffrey A FielkowDirectorBuy1,000$25.26$25,260.004,445View SEC Filing Icon  
3/10/2023Teresa FinleyDirectorBuy17$29.19$496.2323,249View SEC Filing Icon  
3/9/2023Samuel Valenti IIIChairmanSell4,000$29.68$118,720.008,148View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for TriMas (NASDAQ:TRS)

99.42% of TriMas stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at TRS by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

TriMas Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/21/2025CIBC Bancorp USA Inc.41,280$1.60M0.0%N/A0.102%Search for SEC Filing on Google Icon
11/19/2025Coldstream Capital Management Inc.12,074$0.47M0.0%N/A0.030%Search for SEC Filing on Google Icon
11/17/2025Icon Advisers Inc. Co.78,000$3.01M0.7%-44.3%0.192%Search for SEC Filing on Google Icon
11/17/2025PharVision Advisers LLC5,345$0.21M0.1%N/A0.013%Search for SEC Filing on Google Icon
11/17/2025Dark Forest Capital Management LP99,162$3.83M0.1%+598.5%0.244%Search for SEC Filing on Google Icon
11/17/2025XTX Topco Ltd20,114$0.78M0.0%-54.3%0.049%Search for SEC Filing on Google Icon
11/17/2025Wexford Capital LP7,000$0.27M0.0%-44.9%0.017%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC57,608$2.23M0.0%-59.4%0.142%Search for SEC Filing on Google Icon
11/17/2025Susquehanna Fundamental Investments LLC35,884$1.39M0.1%-54.7%0.088%Search for SEC Filing on Google Icon
11/17/2025Quarry LP923$36K0.0%N/A0.002%Search for SEC Filing on Google Icon
11/17/2025Prelude Capital Management LLC10,195$0.39M0.0%N/A0.025%Search for SEC Filing on Google Icon
11/17/2025Mariner LLC19,536$0.76M0.0%+2.2%0.048%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC112,346$4.34M0.0%+34.7%0.276%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.15,354$0.59M0.0%-16.4%0.038%Search for SEC Filing on Google Icon
11/17/2025Moneta Group Investment Advisors LLC5,290$0.20M0.0%N/A0.013%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP39,672$1.53M0.0%+145.6%0.098%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE3,810,233$147.23M0.0%+4.1%9.374%Search for SEC Filing on Google Icon
11/17/2025Boothbay Fund Management LLC13,577$0.53M0.0%N/A0.033%Search for SEC Filing on Google Icon
11/17/2025Aquatic Capital Management LLC59,085$2.28M0.0%+63.0%0.145%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.32,080$1.24M0.0%-8.8%0.079%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.30,402$1.18M0.0%-59.5%0.075%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC39,610$1.53M0.0%+293.9%0.097%Search for SEC Filing on Google Icon
11/14/2025Creative Planning46,489$1.80M0.0%+2.6%0.114%Search for SEC Filing on Google Icon
11/14/2025Lazard Asset Management LLC98,585$3.81M0.0%-2.5%0.243%Search for SEC Filing on Google Icon
11/14/2025Ancora Advisors LLC58,220$2.25M0.0%-26.1%0.143%Search for SEC Filing on Google Icon
11/14/2025Hotchkis & Wiley Capital Management LLC253,513$9.80M0.0%-40.3%0.624%Search for SEC Filing on Google Icon
11/14/2025Occudo Quantitative Strategies LP29,531$1.14M0.1%N/A0.073%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC91,206$3.52M0.0%-27.3%0.224%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP427,032$16.50M0.0%+151.3%1.051%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC236,552$9.14M0.0%+45.3%0.582%Search for SEC Filing on Google Icon
11/14/2025Wellington Management Group LLP540,448$20.88M0.0%-31.0%1.330%Search for SEC Filing on Google Icon
11/14/2025Alpha Wave Global LP342,342$13.23M1.3%+363.7%0.842%Search for SEC Filing on Google Icon
11/13/2025Jump Financial LLC63,505$2.45M0.0%-12.1%0.156%Search for SEC Filing on Google Icon
11/13/2025Marshall Wace LLP159,796$6.18M0.0%N/A0.393%Search for SEC Filing on Google Icon
11/13/2025Entropy Technologies LP10,900$0.42M0.0%N/A0.027%Search for SEC Filing on Google Icon
11/13/2025Blue Grotto Capital LLC308,622$11.93M1.4%N/A0.759%Search for SEC Filing on Google Icon
11/13/2025Kennedy Capital Management LLC778,979$30.10M0.7%+0.9%1.916%Search for SEC Filing on Google Icon
11/13/2025Medina Value Partners LLC544,190$21.03M4.9%-60.5%1.339%Search for SEC Filing on Google Icon
11/13/2025Advisory Research Inc.750,588$29M3.8%-28.3%1.847%Search for SEC Filing on Google Icon
11/13/2025Arrowstreet Capital Limited Partnership246,723$9.53M0.0%-1.3%0.607%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.106,438$4.11M0.0%+4.9%0.262%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG288,466$11.15M0.0%+243.7%0.710%Search for SEC Filing on Google Icon
11/13/2025Wakefield Asset Management LLLP30,521$1.18M0.3%N/A0.075%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets46,773$1.81M0.0%+1,309.2%0.115%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.462,337$17.87M0.0%-28.4%1.137%Search for SEC Filing on Google Icon
11/13/2025Capital International Investors2,890,079$111.67M0.0%N/A7.110%Search for SEC Filing on Google Icon
11/13/2025Legal & General Group Plc34,154$1.32M0.0%-14.6%0.084%Search for SEC Filing on Google Icon
11/13/2025Swiss National Bank63,100$2.44M0.0%-4.5%0.155%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.51,796$2M0.0%-6.4%0.127%Search for SEC Filing on Google Icon
11/13/2025Barington Companies Management LLC275,000$10.63M8.0%-55.7%0.677%Search for SEC Filing on Google Icon
11/12/2025Icon Advisers Inc. Co.78,000$3.01M0.7%-44.3%0.192%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC53,797$2.08M0.0%-48.6%0.132%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP2,220,060$85.78M0.0%-6.3%5.462%Search for SEC Filing on Google Icon
11/12/2025First Eagle Investment Management LLC296,406$11.45M0.0%+5.4%0.729%Search for SEC Filing on Google Icon
11/12/2025Focus Partners Advisor Solutions LLC8,450$0.33M0.0%N/A0.021%Search for SEC Filing on Google Icon
11/12/2025Quantbot Technologies LP47,287$1.83M0.0%+13.0%0.116%Search for SEC Filing on Google Icon
11/12/2025Aster Capital Management DIFC Ltd1,245$48K0.0%N/A0.003%Search for SEC Filing on Google Icon
11/12/2025R Squared Ltd7,215$0.28M0.1%N/A0.018%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC18,175$0.70M0.0%-13.0%0.045%Search for SEC Filing on Google Icon
11/12/2025Fox Run Management L.L.C.21,804$0.84M0.1%+31.9%0.054%Search for SEC Filing on Google Icon
11/10/2025Ameritas Investment Partners Inc.2,776$0.11M0.0%-18.2%0.007%Search for SEC Filing on Google Icon
11/10/2025Hillsdale Investment Management Inc.107,600$4.16M0.1%N/A0.265%Search for SEC Filing on Google Icon
11/7/2025Pzena Investment Management LLC1,302,265$50.32M0.2%-40.2%3.204%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.3,574,064$138.10M0.0%-3.9%8.793%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.30,540$1.18M0.0%-8.2%0.075%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers52,674$2.04M0.0%-3.6%0.130%Search for SEC Filing on Google Icon
11/6/2025Impax Asset Management Group plc230,000$8.89M0.1%-20.7%0.566%Search for SEC Filing on Google Icon
11/6/2025ProShare Advisors LLC5,681$0.22M0.0%N/A0.014%Search for SEC Filing on Google Icon
11/5/2025Beacon Harbor Wealth Advisors Inc.151,223$5.84M1.4%N/A0.372%Search for SEC Filing on Google Icon
11/5/2025Envestnet Asset Management Inc.5,199$0.20M0.0%-76.6%0.013%Search for SEC Filing on Google Icon
11/4/2025State of Wyoming1,660$64K0.0%-27.1%0.004%Search for SEC Filing on Google Icon
11/4/2025Principal Financial Group Inc.30,928$1.20M0.0%N/A0.076%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC8,142$0.32M0.0%-49.7%0.020%Search for SEC Filing on Google Icon
11/3/2025Arizona State Retirement System9,618$0.37M0.0%-4.7%0.024%Search for SEC Filing on Google Icon
11/3/2025AE Wealth Management LLC8,408$0.33M0.0%+13.2%0.021%Search for SEC Filing on Google Icon
10/30/2025Teacher Retirement System of Texas20,043$0.77M0.0%+96.1%0.049%Search for SEC Filing on Google Icon
10/30/2025Universal Beteiligungs und Servicegesellschaft mbH8,693$0.34M0.0%+8.1%0.021%Search for SEC Filing on Google Icon
10/29/2025Amalgamated Bank1,076$42K0.0%-28.4%0.003%Search for SEC Filing on Google Icon
10/29/2025Massachusetts Financial Services Co. MA886,271$34.25M0.0%-9.6%2.181%Search for SEC Filing on Google Icon
10/28/2025Wolverine Asset Management LLC60,000$2.32M0.0%N/A0.148%Search for SEC Filing on Google Icon
10/28/2025Campbell & CO Investment Adviser LLC47,865$1.85M0.1%-5.8%0.118%Search for SEC Filing on Google Icon
10/24/2025Oliver Luxxe Assets LLC30,913$1.19M0.2%N/A0.076%Search for SEC Filing on Google Icon
10/24/2025State of Alaska Department of Revenue1,707$65K0.0%N/A0.004%Search for SEC Filing on Google Icon
10/23/2025SG Americas Securities LLC13,972$0.54M0.0%N/A0.034%Search for SEC Filing on Google Icon
10/23/2025HB Wealth Management LLC7,609$0.29M0.0%N/A0.019%Search for SEC Filing on Google Icon
10/22/2025Longboard Asset Management LP5,607$0.22M0.4%N/A0.014%Search for SEC Filing on Google Icon
10/20/2025Allspring Global Investments Holdings LLC2,488,390$94.11M0.2%-14.9%6.123%Search for SEC Filing on Google Icon
10/20/2025VIRGINIA RETIREMENT SYSTEMS ET Al38,652$1.49M0.0%+7.8%0.095%Search for SEC Filing on Google Icon
10/17/2025Ethic Inc.17,123$0.66M0.0%+25.9%0.042%Search for SEC Filing on Google Icon
10/17/2025Bellecapital International Ltd.685,855$26.50M4.3%-42.2%1.688%Search for SEC Filing on Google Icon
10/16/2025Rice Hall James & Associates LLC91,302$3.53M0.2%+7.3%0.225%Search for SEC Filing on Google Icon
10/15/2025Inspire Investing LLC38,227$1.48M0.1%+179.3%0.094%Search for SEC Filing on Google Icon
10/10/2025USA Financial Formulas2,876$0.11M0.0%N/A0.007%Search for SEC Filing on Google Icon
10/9/2025Voya Investment Management LLC6,075$0.24M0.0%-39.6%0.015%Search for SEC Filing on Google Icon
8/27/2025Squarepoint Ops LLC162,775$4.66M0.0%+83.3%0.401%Search for SEC Filing on Google Icon
8/19/2025State of Wyoming2,277$65K0.0%N/A0.006%Search for SEC Filing on Google Icon
8/15/2025Tower Research Capital LLC TRC 4,193$0.12M0.0%+280.5%0.010%Search for SEC Filing on Google Icon
8/15/2025Captrust Financial Advisors12,421$0.36M0.0%N/A0.031%Search for SEC Filing on Google Icon
8/15/2025Tidal Investments LLC7,682$0.22M0.0%N/A0.019%Search for SEC Filing on Google Icon
8/15/2025Simcoe Capital Management LLC268,845$7.69M0.8%-2.4%0.662%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
TriMas logo
TriMas Corporation engages in the design, development, manufacture, and sale of products for consumer products, aerospace, and industrial markets worldwide. The company operates through Packaging, Aerospace, and Specialty Products segments. The Packaging segment offers dispensing products, such as foaming and sanitizer pumps, lotion and hand soap pumps, beverage dispensers, perfume sprayers, and nasal and trigger sprayers; polymeric and steel caps and closures comprising food lids, flip-top and beverage closures, child resistance caps, drum and pail closures, and flexible spouts; polymeric jar products; integrated dispensers; bag-in-box products; and consumable vascular delivery and diagnostic test components under the Rieke, Taplast, Affaba & Ferrari, Intertech, Omega, and Rapak brands. The Aerospace segment provides fasteners, collars, blind bolts, rivets, ducting, and connectors for air management systems, and other highly-machined parts and components to original equipment manufacturers, supply chain distributors, and tier one suppliers, as well as maintenance, repair and overhaul (MRO)/aftermarket providers; and military and defense aerospace applications and platforms under the Monogram Aerospace Fasteners, Allfast Fastening Systems, Mac Fasteners, TFI Aerospace, RSA Engineered Products, and Martinic Engineering brands. The Specialty Products segment offers steel cylinders for use in the transportation, storage, and dispensing of compressed gases under the Norris Cylinder brand; natural gas powered wellhead engines, compressors, and replacement parts for oil and natural gas production, and other industrial and commercial markets under the Arrow brand; and spare parts for various industrial engines. It sells its products through a direct sales force, third-party agents, and distributors. TriMas Corporation was incorporated in 1986 and is headquartered in Bloomfield Hills, Michigan.
Read More on TriMas

Today's Range

Now: $32.72
Low: $32.51
High: $34.40

50 Day Range

MA: $35.19
Low: $31.08
High: $39.95

52 Week Range

Now: $32.72
Low: $19.33
High: $40.34

Volume

1,137,256 shs

Average Volume

786,599 shs

Market Capitalization

$1.33 billion

P/E Ratio

30.30

Dividend Yield

0.47%

Beta

0.62

Who are the company insiders with the largest holdings of TriMas?

TriMas' top insider shareholders include:
  1. Shawn Sedaghat (Director)
  2. Thomas A Amato (CEO)
  3. Daniel P Tredwell (Director)
  4. Herbert K Parker (Director)
  5. Scott A Mell (CFO)
  6. Jeffrey A Fielkow (Director)
  7. Adrianne Shapira (Director)
Learn More about top insider investors at TriMas.

Who are the major institutional investors of TriMas?

TriMas' top institutional investors include:
  1. Bank of America Corp DE — 9.37%
  2. Vanguard Group Inc. — 8.79%
  3. Capital International Investors — 7.11%
  4. Allspring Global Investments Holdings LLC — 6.12%
  5. Dimensional Fund Advisors LP — 5.46%
  6. Pzena Investment Management LLC — 3.20%
Learn More about top institutional investors of TriMas stock.

Which institutional investors are selling TriMas stock?

In the previous quarter, TRS stock was sold by these institutional investors:
  1. Pzena Investment Management LLC
  2. Medina Value Partners LLC
  3. Bellecapital International Ltd.
  4. Allspring Global Investments Holdings LLC
  5. Barington Companies Management LLC
  6. Advisory Research Inc.
  7. Wellington Management Group LLP
  8. Franklin Resources Inc.

Which institutional investors are buying TriMas stock?

In the last quarter, TRS stock was bought by institutional investors including:
  1. Capital International Investors
  2. Blue Grotto Capital LLC
  3. Alpha Wave Global LP
  4. Two Sigma Investments LP
  5. UBS Group AG
  6. Marshall Wace LLP
  7. Beacon Harbor Wealth Advisors Inc.
  8. Bank of America Corp DE
In the previous year, these company insiders have bought TriMas stock:
  1. Shawn Sedaghat (Director)
  2. Thomas A Amato (CEO)
  3. Daniel P Tredwell (Director)
  4. Herbert K Parker (Director)
  5. Scott A Mell (CFO)
  6. Jeffrey A Fielkow (Director)
Learn More investors buying TriMas stock.