United States Machinery, Equipment & Components

TriMas Corp (TRS)

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Over the past 90 days, TriMas Corp experienced seven insider transactions, resulting in a net negative value of approximately $203,973. Notable activity included planned and proposed sales by Director Herbert K. Parker and General Counsel Jodi F. Robin. These transactions occurred amidst a 2.6% decline in the company's stock price over the same period.
Ticker: TRS Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for TriMas Corp. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Planned sale 30 Jun 2026
Value US$1,079,275.36 | Price 120.95 | Shares 84,317 (+3.6%)
Proposed sale 30 Jun 2026
Value US$4,344,045.26 | Price 414.84 | Shares 13,267
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-01 2026-06-30 PlS Planned sale
3.3
Parker Herbert K
Non-Executive Director
84,317 +3.6%
120.95
US$1,079,275 		84,317 +3.6% 120.95 US$1,079,275
2026-06-30 2026-06-30 PrS Proposed sale
3.3
Parker Herbert K

Director

Non-Executive Director
13,267
414.84
US$4,344,045 		13,267 414.84 US$4,344,045
2026-05-15 2026-05-13 B Purchase
4.2
Tredwell Daniel P
Non-Executive Director
54,742 +28.1%
246.84
US$1,748,359 		54,742 +28.1% 246.84 US$1,748,359
2026-05-07 2026-05-07 S Sale
Robin Jodi F.

General Counsel and Secretary

Officer
2,000 -5.5%
41.61
US$83,210 		2,000 -5.5% 41.61 US$83,210
2026-05-07 2026-05-07 PrS Proposed sale
Robin Jodi F.

Officer

Officer
2,000
41.61
US$83,210 		2,000 41.61 US$83,210
2026-05-07 2026-05-05 S Sale
Robin Jodi F.

General Counsel and Secretary

Officer
3,000 -7.7%
41.10
US$123,285 		3,000 -7.7% 41.10 US$123,285
2026-05-05 2026-05-05 PrS Proposed sale
Robin Jodi F.

Officer

Officer
3,000
41.10
US$123,285 		3,000 41.10 US$123,285
2026-03-09 2026-03-05 B Purchase
4.2
Tredwell Daniel P
Non-Executive Director
60 +0.1%
39.38
US$2,354 		60 +0.1% 39.38 US$2,354
2025-11-14 2025-11-12 B Purchase
4.2
Tredwell Daniel P
Non-Executive Director
74 +0.1%
31.94
US$2,351 		74 +0.1% 31.94 US$2,351
2025-11-12 2025-11-11 B Purchase
4.2
Fielkow Jeffrey A
Non-Executive Director
2,000 +12.8%
31.46
US$62,920 		2,000 +12.8% 31.46 US$62,920
2025-08-13 2025-08-13 PrS Proposed sale
3.5
AMATO THOMAS A

Former Director

Non-Executive Director
25,000
36.76
US$919,012 		25,000 36.76 US$919,012
2025-08-13 2025-08-11 B Purchase
4.2
Tredwell Daniel P
Non-Executive Director
66 +0.1%
35.39
US$2,348 		66 +0.1% 35.39 US$2,348
2025-07-31 2025-07-31 PrS Proposed sale
3.5
AMATO THOMAS A

Former Officer & Director

Executive Director
36,705
35.37
US$1,298,131 		36,705 35.37 US$1,298,131
2025-07-31 2025-07-31 PrS Proposed sale
3.5
AMATO THOMAS A

Former President, CEO and Director

Non-Executive Director
13,900
35.25
US$489,988 		13,900 35.25 US$489,988
2025-07-30 2025-07-30 PrS Proposed sale
3.5
AMATO THOMAS A

Former Officer & Director

Executive Director
29,487
35.98
US$1,060,951 		29,487 35.98 US$1,060,951
2025-07-30 2025-07-30 PrS Proposed sale
3.5
AMATO THOMAS A

Former Officer & Director

Executive Director
65,982
35.36
US$2,332,930 		65,982 35.36 US$2,332,930
2025-07-30 2025-07-30 PrS Proposed sale
3.5
AMATO THOMAS A

Former Officer & Director

Executive Director
65,982
35.36
US$2,332,930 		65,982 35.36 US$2,332,930
2025-07-29 2025-07-29 PrS Proposed sale
3.5
AMATO THOMAS A

Former Officer and Director

Executive Director
63,965
35.05
US$2,241,703 		63,965 35.05 US$2,241,703
2025-07-29 2025-07-29 PrS Proposed sale
2.7
GREENE JEFFREY M

Former Director

Non-Executive Director
20,628
34.25
US$706,570 		20,628 34.25 US$706,570
2025-06-16 2025-06-16 PrS Proposed sale
3.2
Mell Scott A

Former Officer

Officer
1,500
27.01
US$40,519 		1,500 27.01 US$40,519
2025-06-06 2025-06-05 B Purchase
3.6
SHAPIRA ADRIANNE
Non-Executive Director
4,000 +89.4%
25.82
US$103,292 		4,000 +89.4% 25.82 US$103,292
2025-06-06 2025-06-04 B Purchase
3.6
SHAPIRA ADRIANNE
Non-Executive Director
1,200 +36.6%
26.31
US$31,572 		1,200 +36.6% 26.31 US$31,572
2025-05-23 2025-05-22 B Purchase
3.5
SEDAGHAT SHAWN
Non-Executive Director Large shareholder
72,937 +4.0%
26.16
US$1,908,214 		72,937 +4.0% 26.16 US$1,908,214
2025-05-23 2025-05-21 B Purchase
3.5
SEDAGHAT SHAWN
Non-Executive Director Large shareholder
410,172 +29.3%
25.43
US$10,429,772 		410,172 +29.3% 25.43 US$10,429,772
2025-05-21 2025-05-20 B Purchase
3.5
SEDAGHAT SHAWN
Non-Executive Director Large shareholder
104,957 +8.1%
25.70
US$2,697,216 		104,957 +8.1% 25.70 US$2,697,216
2025-05-21 2025-05-19 B Purchase
3.5
SEDAGHAT SHAWN
Non-Executive Director Large shareholder
73,577 +6.0%
25.73
US$1,892,930 		73,577 +6.0% 25.73 US$1,892,930
2025-05-21 2025-05-19 B Purchase
3.5
SEDAGHAT SHAWN
Non-Executive Director Large shareholder
180,823 +17.4%
25.25
US$4,566,287 		180,823 +17.4% 25.25 US$4,566,287
2025-05-21 2025-05-19 B Purchase
4.2
Fielkow Jeffrey A
Non-Executive Director
500 +3.3%
24.98
US$12,490 		500 +3.3% 24.98 US$12,490
2025-05-14 2025-05-12 B Purchase
4.2
Tredwell Daniel P
Non-Executive Director
95 +0.2%
24.72
US$2,344 		95 +0.2% 24.72 US$2,344
2025-05-12 2025-05-12 PrS Proposed sale
3.2
Mell Scott A

Former Officer

Officer
1,800
24.62
US$44,316 		1,800 24.62 US$44,316
2025-05-02 2025-05-01 B Purchase
3.5
SEDAGHAT SHAWN
Non-Executive Director Large shareholder
16,930 +1.7%
23.99
US$406,100 		16,930 +1.7% 23.99 US$406,100
2025-05-02 2025-04-30 B Purchase
3.5
SEDAGHAT SHAWN
Non-Executive Director Large shareholder
123,388 +13.7%
23.83
US$2,940,213 		123,388 +13.7% 23.83 US$2,940,213
2025-03-25 2025-03-25 PrS Proposed sale
3.2
Mell Scott A

Former Officer

Officer
3,250
23.66
US$76,909 		3,250 23.66 US$76,909
2025-03-11 2025-03-10 B Purchase
3.5
SEDAGHAT SHAWN
Non-Executive Director Large shareholder
554,149 +159.8%
24.07
US$13,339,586 		554,149 +159.8% 24.07 US$13,339,586
2025-03-11 2025-03-07 B Purchase
3.5
SEDAGHAT SHAWN
Non-Executive Director Large shareholder
60,003 +20.9%
24.22
US$1,453,369 		60,003 +20.9% 24.22 US$1,453,369
2025-03-11 2025-03-07 B Purchase
3.5
SEDAGHAT SHAWN
Non-Executive Director Large shareholder
189,594 +195.0%
23.71
US$4,495,160 		189,594 +195.0% 23.71 US$4,495,160
2025-03-10 2025-03-06 B Purchase
4.2
Tredwell Daniel P
Non-Executive Director
96 +0.2%
22.78
US$2,178 		96 +0.2% 22.78 US$2,178
2025-03-07 2025-03-06 S Sale
3.2
Mell Scott A

Chief Financial Officer

Officer
2,218 -7.8%
22.54
US$50,001 		2,218 -7.8% 22.54 US$50,001
2025-03-06 2025-03-06 PrS Proposed sale
3.2
Mell Scott A

Officer

Officer
2,219
22.53
US$50,000 		2,219 22.53 US$50,000
2025-03-06 2025-03-05 B Purchase
3.5
SEDAGHAT SHAWN
Non-Executive Director Large shareholder
2,909 +3.1%
21.83
US$63,514 		2,909 +3.1% 21.83 US$63,514
2025-03-06 2025-03-04 B Purchase
3.5
SEDAGHAT SHAWN
Non-Executive Director Large shareholder
94,319 +inf%
21.72
US$2,048,495 		94,319 +inf% 21.72 US$2,048,495
2025-03-06 2025-03-04 B Purchase
3.8
Boehne Holly M
Non-Executive Director
4,650 +22.5%
21.49
US$99,922 		4,650 +22.5% 21.49 US$99,922
2025-03-03 2025-02-28 B Purchase
4.2
Tredwell Daniel P
Non-Executive Director
5,000 +9.8%
20.67
US$103,350 		5,000 +9.8% 20.67 US$103,350
2025-03-03 2025-02-28 B Purchase
4.2
Fielkow Jeffrey A
Non-Executive Director
2,500 +29.4%
20.78
US$51,950 		2,500 +29.4% 20.78 US$51,950
2025-03-03 2025-02-28 B Purchase
3.8
Finley Teresa
Non-Executive Director
14,388 +36.0%
21.12
US$303,866 		14,388 +36.0% 21.12 US$303,866
2025-03-03 2025-02-28 B Purchase
3.3
Parker Herbert K
Non-Executive Director
14,612 +28.6%
20.81
US$304,128 		14,612 +28.6% 20.81 US$304,128
2024-11-20 2024-11-19 S Sale
3.2
Mell Scott A

Chief Financial Officer

Officer
2,000 -6.6%
25.94
US$51,880 		2,000 -6.6% 25.94 US$51,880
2024-11-19 2024-11-19 PrS Proposed sale
3.2
Mell Scott A

Officer

Officer
2,000
25.94
US$51,880 		2,000 25.94 US$51,880
2024-11-18 2024-11-15 B Purchase
3.5
AMATO THOMAS A

President and CEO

Executive Director
10,000 +3.2%
25.83
US$258,252 		10,000 +3.2% 25.83 US$258,252
2024-11-13 2024-11-11 B Purchase
4.2
Tredwell Daniel P
Non-Executive Director
79 +0.2%
27.51
US$2,175 		79 +0.2% 27.51 US$2,175
2024-08-14 2024-08-12 B Purchase
4.2
Tredwell Daniel P
Non-Executive Director
92 +0.2%
23.71
US$2,171 		92 +0.2% 23.71 US$2,171
2024-05-23 2024-05-21 S Sale
3.2
Mell Scott A

Chief Financial Officer

Officer
1,500 -4.5%
27.30
US$40,942 		1,500 -4.5% 27.30 US$40,942
2024-05-21 2024-05-21 PrS Proposed sale
3.2
Mell Scott A

Officer

Officer
1,500
27.30
US$40,943 		1,500 27.30 US$40,943
2024-05-15 2024-05-10 B Purchase
4.2
Tredwell Daniel P
Non-Executive Director
81 +0.2%
26.80
US$2,168 		81 +0.2% 26.80 US$2,168
2024-05-08 2024-05-08 B Purchase
3.3
Parker Herbert K
Non-Executive Director
6,000 +13.3%
26.27
US$157,597 		6,000 +13.3% 26.27 US$157,597
2024-05-08 2024-05-07 B Purchase
3.3
Parker Herbert K
Non-Executive Director
6,000 +15.3%
26.01
US$156,060 		6,000 +15.3% 26.01 US$156,060
2024-05-08 2024-05-06 B Purchase
3.3
Parker Herbert K
Non-Executive Director
6,100 +18.5%
26.52
US$161,789 		6,100 +18.5% 26.52 US$161,789
2024-05-03 2024-05-03 B Purchase
3.3
Parker Herbert K
Non-Executive Director
1,500 +4.8%
26.34
US$39,512 		1,500 +4.8% 26.34 US$39,512
2024-05-03 2024-05-03 B Purchase
3.3
Parker Herbert K
Non-Executive Director
1,500 +4.8%
26.34
US$39,512 		1,500 +4.8% 26.34 US$39,512
2024-05-03 2024-05-02 B Purchase
3.3
Parker Herbert K
Non-Executive Director
1,500 +5.0%
26.31
US$39,468 		1,500 +5.0% 26.31 US$39,468
2024-05-03 2024-05-02 B Purchase
3.3
Parker Herbert K
Non-Executive Director
1,500 +5.0%
26.31
US$39,468 		1,500 +5.0% 26.31 US$39,468
2024-05-03 2024-05-01 S Sale
2.7
GREENE JEFFREY M
Non-Executive Director
4,000 -19.5%
26.01
US$104,048 		4,000 -19.5% 26.01 US$104,048
2024-05-03 2024-05-01 S Sale
2.7
GREENE JEFFREY M
Non-Executive Director
4,000 -19.5%
26.01
US$104,048 		4,000 -19.5% 26.01 US$104,048
2024-05-03 2024-05-01 B Purchase
3.3
Parker Herbert K
Non-Executive Director
1,000 +3.4%
25.98
US$25,979 		1,000 +3.4% 25.98 US$25,979
2024-05-03 2024-05-01 B Purchase
3.3
Parker Herbert K
Non-Executive Director
1,000 +3.4%
25.98
US$25,979 		1,000 +3.4% 25.98 US$25,979
2024-05-01 2024-05-01 PrS Proposed sale
2.7
GREENE JEFFREY M

Director

Non-Executive Director
4,000
26.01
US$104,048 		4,000 26.01 US$104,048
2024-03-11 2024-03-06 B Purchase
4.2
Tredwell Daniel P
Non-Executive Director
10 +0.0%
24.39
US$251 		10 +0.0% 24.39 US$251
2024-03-06 2024-03-05 S Sale
3.2
Mell Scott A

Chief Financial Officer

Officer
3,500 -14.2%
24.31
US$85,090 		3,500 -14.2% 24.31 US$85,090
2024-03-05 2024-03-05 PrS Proposed sale
3.2
Mell Scott A

Officer

Officer
3,500
24.31
US$85,090 		3,500 24.31 US$85,090
2024-03-04 2024-03-04 B Purchase
4.2
Fielkow Jeffrey A
Non-Executive Director
1,000 +29.0%
23.86
US$23,860 		1,000 +29.0% 23.86 US$23,860
2024-03-04 2024-03-01 B Purchase
3.5
AMATO THOMAS A

President and CEO

Executive Director
10,000 +3.6%
23.62
US$236,241 		10,000 +3.6% 23.62 US$236,241
2023-11-14 2023-11-10 B Purchase
3.8
Finley Teresa
Non-Executive Director
22 +0.1%
23.33
US$507 		22 +0.1% 23.33 US$507
2023-11-13 2023-11-07 B Purchase
4.2
Tredwell Daniel P
Non-Executive Director
10 +0.0%
24.22
US$251 		10 +0.0% 24.22 US$251
2023-11-01 2023-10-31 S Sale
3.2
Mell Scott A

Chief Financial Officer

Officer
1,036 -4.0%
24.17
US$25,035 		1,036 -4.0% 24.17 US$25,035
2023-10-31 2023-10-31 PrS Proposed sale
3.2
Mell Scott A

Officer

Officer
1,036
24.17
US$25,035 		1,036 24.17 US$25,035
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