TriMas Corporation

TRSNASDAQConsumer Cyclical● Active

$39.83

+$0.66(+1.69%)

Market Cap$1.4B

P/E Ratio—

52W High$43.72

52W Low$25.58

Avg Volume487K

Open$39.40

Beta0.61

Overview

TriMas Corporation (TRS) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · TRS · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

2.50

Buy/Sell (by trades)

Overall sentiment

BULLISH

↑ Buy 71%Active transactions only · RSU vesting excluded29% Sell ↓

TriMas Corporation insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

TRS insider buying and selling by quarter

TRS insider selling · TRS insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

2.0M1.0M0

2024 Q3

2024 Q4

2025 Q1

2025 Q2

2025 Q3

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · TRS ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

TRS executive sell shares · TRS board member insider trading · TRS insider trading SEC filing

Showing 91 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
May 13, 2026	Tredwell Daniel P Director	Purchase	62.142	$40.58	$3K	63,457.933	Form 4
May 5, 2026	Robin Jodi F. General Counsel and Secretary	Sale	3,000	$41.09	$123K	36,191	Form 4
May 7, 2026	Robin Jodi F. General Counsel and Secretary	Sale	2,000	$41.60	$83K	34,191	Form 4
Apr 14, 2026	SEDAGHAT SHAWN Director	Award	640	$39.03	$25K	4,178,300	Form 4
Mar 20, 2026	Finley Teresa Director	Other	6,192	$34.04	$211K	75,152.301	Form 4
Mar 14, 2026	SEDAGHAT SHAWN Director	Award	2,853	—	—	4,177,660	Form 4
Mar 14, 2026	Swart Paul CFO	Award	6,849	—	—	14,881	Form 4
Mar 14, 2026	Robin Jodi F. General Counsel and Secretary	Award	5,422	—	—	41,579	Form 4
Mar 14, 2026	Robin Jodi F. General Counsel and Secretary	Other	2,388	$35.04	$84K	39,191	Form 4
Mar 14, 2026	Stress Jill S. Chief Human Resources Officer	Other	1,999	$35.04	$70K	23,990	Form 4
Mar 14, 2026	Fielkow Jeffrey A Director	Award	2,853	—	—	20,506	Form 4
Mar 14, 2026	SHAPIRA ADRIANNE Director	Award	2,853	—	—	11,329	Form 4
Mar 14, 2026	Parker Herbert K Director	Award	2,853	—	—	72,762	Form 4
Mar 14, 2026	Boehne Holly M Director	Award	2,853	—	—	32,346	Form 4
Mar 14, 2026	Stanage Nick L Director	Award	2,853	—	—	53,853	Form 4
Mar 14, 2026	Tredwell Daniel P Director	Award	2,853	—	—	63,395.791	Form 4
Mar 14, 2026	Finley Teresa Director	Award	2,853	—	—	81,344.301	Form 4
Mar 11, 2026	Robin Jodi F. General Counsel and Secretary	Other	1,128	$36.93	$42K	36,157	Form 4
Mar 11, 2026	Stress Jill S. Chief Human Resources Officer	Other	1,128	$36.93	$42K	25,989	Form 4
Mar 5, 2026	Tredwell Daniel P Director	Purchase	59.769	$39.38	$2K	60,542.791	Form 4
Feb 12, 2026	Robin Jodi F. General Counsel and Secretary	Other	2,493	$35.75	$89K	37,285	Form 4
Feb 12, 2026	Stress Jill S. Chief Human Resources Officer	Other	2,502	$35.75	$89K	27,117	Form 4
Jan 1, 2026	Swart Paul CFO	Award	7,052	—	—	8,032	Form 4
Nov 12, 2025	Tredwell Daniel P Director	Purchase	73.598	$31.94	$2K	60,483.022	Form 4
Nov 11, 2025	Fielkow Jeffrey A Director	Purchase	2,000	$31.46	$63K	17,653	Form 4

Tredwell Daniel P

Director

Purchase

Date

May 13

62.142

Price

$40.58

Value

$3K

View Form 4 on SEC.gov

Robin Jodi F.

General Counsel and Secretary

Sale

Date

May 5

3,000

Price

$41.09

Value

$123K

View Form 4 on SEC.gov

Robin Jodi F.

General Counsel and Secretary

Sale

Date

May 7

2,000

Price

$41.60

Value

$83K

View Form 4 on SEC.gov

SEDAGHAT SHAWN

Director

Award

Date

Apr 14

640

Price

$39.03

Value

$25K

View Form 4 on SEC.gov

Finley Teresa

Director

Other

Date

Mar 20

6,192

Price

$34.04

Value

$211K

View Form 4 on SEC.gov

SEDAGHAT SHAWN

Director

Award

Date

Mar 14

2,853

Price

—

Value

—

View Form 4 on SEC.gov

Swart Paul

CFO

Award

Date

Mar 14

6,849

Price

—

Value

—

View Form 4 on SEC.gov

Robin Jodi F.

General Counsel and Secretary

Award

Date

Mar 14

5,422

Price

—

Value

—

View Form 4 on SEC.gov

Robin Jodi F.

General Counsel and Secretary

Other

Date

Mar 14

2,388

Price

$35.04

Value

$84K

View Form 4 on SEC.gov

Stress Jill S.

Chief Human Resources Officer

Other

Date

Mar 14

1,999

Price

$35.04

Value

$70K

View Form 4 on SEC.gov

Fielkow Jeffrey A

Director

Award

Date

Mar 14

2,853

Price

—

Value

—

View Form 4 on SEC.gov

SHAPIRA ADRIANNE

Director

Award

Date

Mar 14

2,853

Price

—

Value

—

View Form 4 on SEC.gov

Parker Herbert K

Director

Award

Date

Mar 14

2,853

Price

—

Value

—

View Form 4 on SEC.gov

Boehne Holly M

Director

Award

Date

Mar 14

2,853

Price

—

Value

—

View Form 4 on SEC.gov

Stanage Nick L

Director

Award

Date

Mar 14

2,853

Price

—

Value

—

View Form 4 on SEC.gov

Tredwell Daniel P

Director

Award

Date

Mar 14

2,853

Price

—

Value

—

View Form 4 on SEC.gov

Finley Teresa

Director

Award

Date

Mar 14

2,853

Price

—

Value

—

View Form 4 on SEC.gov

Robin Jodi F.

General Counsel and Secretary

Other

Date

Mar 11

1,128

Price

$36.93

Value

$42K

View Form 4 on SEC.gov

Stress Jill S.

Chief Human Resources Officer

Other

Date

Mar 11

1,128

Price

$36.93

Value

$42K

View Form 4 on SEC.gov

Tredwell Daniel P

Director

Purchase

Date

Mar 5

59.769

Price

$39.38

Value

$2K

View Form 4 on SEC.gov

Robin Jodi F.

General Counsel and Secretary

Other

Date

Feb 12

2,493

Price

$35.75

Value

$89K

View Form 4 on SEC.gov

Stress Jill S.

Chief Human Resources Officer

Other

Date

Feb 12

2,502

Price

$35.75

Value

$89K

View Form 4 on SEC.gov

Swart Paul

CFO

Award

Date

Jan 1

7,052

Price

—

Value

—

View Form 4 on SEC.gov

Tredwell Daniel P

Director

Purchase

Date

Nov 12

73.598

Price

$31.94

Value

$2K

View Form 4 on SEC.gov

Fielkow Jeffrey A

Director

Purchase

Date

Nov 11

2,000

Price

$31.46

Value

$63K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About TRS insider trading

TRS insider trades

TriMas Corporation (TRS) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Robin Jodi F. (General Counsel and Secretary), Tredwell Daniel P (Director), Stress Jill S. (Chief Human Resources Officer). Over the past 12 months, 5 insiders have filed transactions with the SEC. TRS insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For TriMas Corporation's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

TRS insider trading · 5 questions

The insiders of TriMas Corporation (TRS) include executives and directors such as Robin Jodi F. (General Counsel and Secretary), Tredwell Daniel P (Director), Stress Jill S. (Chief Human Resources Officer), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

TRS board member insider tradingwho are TRS insidersTRS insider rosterTriMas Corporation executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026