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TRIMAS CORP

TRS Net buying
CIK 0000842633 #2307 in the set updated 18 Sep 2026
Bought (120 mo)
$49.30M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$14.90M
$675.47K on a plan · $810.89K straight out of an exercise
Sold at will
$13.41M
80 of 83 sales
Net
+$34.40M
+$35.89M against sales at will

By person

23 insiders · 151 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
SEDAGHAT SHAWN
Director
$46.24M (12)
—
+$46.24M
6,062,673
16.90%
$240.27M
+45.4%
Sherbin Joshua A
Senior Vice Pres & Gen Counsel
—
$3.88M (15)
−$3.88M
95,487
0.2662%
$3.78M
−37.5%
Zalupski Robert J
Chief Financial Officer
—
$2.78M (23)
−$2.78M
62,419
0.1740%
$2.47M
+3.2%
AMATO THOMAS A
President and CEO
$719.16K (8)
$3.23M (10)
−$2.51M
332,567
0.9270%
$13.18M
—
Valenti Samuel III
Chairman
—
$1.17M (4)
−$1.17M
15,661
0.0437%
$620.66K
−32.7%
Finley Teresa
Director
$656.45K (9)
—
+$656.45K
75,152
0.2095%
$2.98M
—
Swart Paul
Chief Financial Officer
—
$580.69K (7)
−$580.69K
67,771
0.1889%
$2.69M
+45.9%
Parker Herbert K
Director
$884.53K (7)
$1.44M (3)
−$551.77K
57,762
0.1610%
$2.29M
+270.2%
Gougarty Nancy
Director
—
$452.15K (6)
−$452.15K
24,403
0.0680%
$967.12K
+35.3%
Mell Scott A
Chief Financial Officer
—
$353.16K (9)
−$353.16K
44,642
0.1244%
$1.77M
—
GREENE JEFFREY M
Director
—
$313.67K (2)
−$313.67K
20,628
0.0575%
$817.51K
—
MILLER EUGENE A
Director
—
$300.07K (1)
−$300.07K
101,532
0.2830%
$4.02M
+59.1%
Tredwell Daniel P
Director
$238.03K (18)
—
+$238.03K
71,022
0.1980%
$2.81M
+198.3%
Robin Jodi F.
General Counsel and Secretary
—
$206.50K (2)
−$206.50K
34,191
0.0953%
$1.36M
+95.0%
Schaefer John Philip
President, TriMas Aerospace
—
$203.39K (1)
−$203.39K
11,087
0.0309%
$439.39K
−14.2%
Fielkow Jeffrey A
Director
$176.48K (5)
—
+$176.48K
20,506
0.0572%
$812.67K
—
Boehne Holly M
Director
$149.78K (2)
—
+$149.78K
32,346
0.0902%
$1.28M
—
SHAPIRA ADRIANNE
Director
$134.86K (2)
—
+$134.86K
11,329
0.0316%
$448.98K
—
Salik Fabio Leandro Matheus
President, TriMas Packaging
$100.84K (1)
—
+$100.84K
28,245
0.0787%
$1.12M
+92.9%
Snyder Thomas James
President and CEO
—
—
—
130,284
0.3632%
$5.16M
—
Gabrys Richard Marcel
Director
—
—
—
66,200
0.1845%
$2.62M
+142.8%
Stanage Nick L
Director
—
—
—
53,853
0.1501%
$2.13M
+208.3%
Stress Jill S.
Chief Human Resources Officer
—
—
—
23,990
0.0669%
$950.75K
+149.9%

Individual transactions

151
Insider
Date
Role
Action
Shares
Price
Amount
Tredwell Daniel P
12 Aug 2026
Director
Buy
64
$39.63
$2.52K
Parker Herbert K
30 Jun 2026
Director
Sold on a plan
15,000
$45.03
$675.47K
Tredwell Daniel P
13 May 2026
Director
Buy
62
$40.58
$2.52K
Robin Jodi F.
7 May 2026
General Counsel and Secretary
Sell
2,000
$41.61
$83.21K
Robin Jodi F.
5 May 2026
General Counsel and Secretary
Sell
3,000
$41.10
$123.29K
Tredwell Daniel P
5 Mar 2026
Director
Buy
60
$39.38
$2.35K
Tredwell Daniel P
12 Nov 2025
Director
Buy
74
$31.94
$2.35K
Fielkow Jeffrey A
11 Nov 2025
Director
Buy
2,000
$31.46
$62.92K
Tredwell Daniel P
11 Aug 2025
Director
Buy
66
$35.39
$2.35K
SHAPIRA ADRIANNE
5 Jun 2025
Director
Buy
4,000
$25.82
$103.29K
SHAPIRA ADRIANNE
4 Jun 2025
Director
Buy
1,200
$26.31
$31.57K
SEDAGHAT SHAWN
22 May 2025
Director
Buy indirect
72,937
$26.16
$1.91M
SEDAGHAT SHAWN
21 May 2025
Director
Buy indirect
410,172
$25.43
$10.43M
SEDAGHAT SHAWN
20 May 2025
Director
Buy indirect
104,957
$25.70
$2.70M
Fielkow Jeffrey A
19 May 2025
Director
Buy
500
$24.98
$12.49K
SEDAGHAT SHAWN
19 May 2025
Director
Buy indirect
73,577
$25.73
$1.89M
SEDAGHAT SHAWN
19 May 2025
Director
Buy indirect
180,823
$25.25
$4.57M
Tredwell Daniel P
12 May 2025
Director
Buy
95
$24.72
$2.34K
SEDAGHAT SHAWN
1 May 2025
Director
Buy indirect
16,930
$23.99
$406.10K
SEDAGHAT SHAWN
30 Apr 2025
Director
Buy indirect
123,388
$23.83
$2.94M
SEDAGHAT SHAWN
10 Mar 2025
Director
Buy indirect
554,149
$24.07
$13.34M
SEDAGHAT SHAWN
7 Mar 2025
Director
Buy indirect
60,003
$24.22
$1.45M
SEDAGHAT SHAWN
7 Mar 2025
Director
Buy indirect
189,594
$23.71
$4.50M
Mell Scott A
6 Mar 2025
Chief Financial Officer
Sell
2,218
$22.54
$50.00K
Tredwell Daniel P
6 Mar 2025
Director
Buy
96
$22.78
$2.18K
SEDAGHAT SHAWN
5 Mar 2025
Director
Buy indirect
2,909
$21.83
$63.51K
Boehne Holly M
4 Mar 2025
Director
Buy
4,650
$21.49
$99.92K
SEDAGHAT SHAWN
4 Mar 2025
Director
Buy indirect
94,319
$21.72
$2.05M
Parker Herbert K
28 Feb 2025
Director
Buy
14,612
$20.81
$304.13K
Finley Teresa
28 Feb 2025
Director
Buy
14,388
$21.12
$303.87K
Fielkow Jeffrey A
28 Feb 2025
Director
Buy
2,500
$20.78
$51.95K
Tredwell Daniel P
28 Feb 2025
Director
Buy
5,000
$20.67
$103.35K
Mell Scott A
19 Nov 2024
Chief Financial Officer
Sell
2,000
$25.94
$51.88K
AMATO THOMAS A
15 Nov 2024
President and CEO
Buy
10,000
$25.83
$258.25K
Tredwell Daniel P
11 Nov 2024
Director
Buy
79
$27.51
$2.17K
Tredwell Daniel P
12 Aug 2024
Director
Buy
92
$23.71
$2.17K
Mell Scott A
21 May 2024
Chief Financial Officer
Sell
1,500
$27.30
$40.94K
Tredwell Daniel P
10 May 2024
Director
Buy
81
$26.80
$2.17K
Parker Herbert K
8 May 2024
Director
Buy
6,000
$26.27
$157.60K
Parker Herbert K
7 May 2024
Director
Buy
6,000
$26.01
$156.06K
Parker Herbert K
6 May 2024
Director
Buy
6,100
$26.52
$161.79K
Parker Herbert K
3 May 2024
Director
Buy
1,500
$26.34
$39.51K
Parker Herbert K
2 May 2024
Director
Buy
1,500
$26.31
$39.47K
GREENE JEFFREY M
1 May 2024
Director
Sell
4,000
$26.01
$104.05K
Parker Herbert K
1 May 2024
Director
Buy
1,000
$25.98
$25.98K
Tredwell Daniel P
6 Mar 2024
Director
Buy
10
$24.39
$251.43
Mell Scott A
5 Mar 2024
Chief Financial Officer
Sell
3,500
$24.31
$85.09K
Fielkow Jeffrey A
4 Mar 2024
Director
Buy
1,000
$23.86
$23.86K
AMATO THOMAS A
1 Mar 2024
President and CEO
Buy
10,000
$23.62
$236.24K
Finley Teresa
10 Nov 2023
Director
Buy
22
$23.33
$507.22
Tredwell Daniel P
7 Nov 2023
Director
Buy
10
$24.22
$251.02
Mell Scott A
31 Oct 2023
Chief Financial Officer
Sell
1,036
$24.17
$25.03K
Finley Teresa
11 Aug 2023
Director
Buy
19
$26.05
$506.44
Tredwell Daniel P
8 Aug 2023
Director
Buy
10
$25.16
$250.62
Mell Scott A
3 Aug 2023
Chief Financial Officer
Sell
1,200
$25.80
$30.96K
Swart Paul
28 Jul 2023
Chief Accounting Officer
Sell indirect
5,500
$27.41
$150.76K
Mell Scott A
12 May 2023
Chief Financial Officer
Sell
1,150
$25.41
$29.22K
Finley Teresa
12 May 2023
Director
Buy
20
$25.61
$505.66
Tredwell Daniel P
11 May 2023
Director
Buy
10
$25.21
$250.22
Fielkow Jeffrey A
4 May 2023
Director
Buy
1,000
$25.26
$25.26K
Finley Teresa
10 Mar 2023
Director
Buy
17
$29.19
$504.96
Valenti Samuel III
9 Mar 2023
Chairman
Sell
4,000
$29.68
$118.72K
Tredwell Daniel P
9 Mar 2023
Director
Buy
4
$29.40
$121.18
Finley Teresa
10 Nov 2022
Director
Buy
19
$26.73
$504.21
Mell Scott A
9 Nov 2022
Chief Financial Officer
Sell
789
$25.35
$20.00K
Tredwell Daniel P
8 Nov 2022
Director
Buy
5
$25.47
$120.99
AMATO THOMAS A
28 Oct 2022
President and CEO
Buy
2,900
$22.89
$66.38K
AMATO THOMAS A
28 Oct 2022
President and CEO
Buy
2,100
$21.65
$45.47K
Salik Fabio Leandro Matheus
28 Oct 2022
President, TriMas Packaging
Buy
4,300
$23.45
$100.84K
Finley Teresa
9 Sep 2022
Director
Buy
3,342
$26.86
$89.77K
Finley Teresa
8 Sep 2022
Director
Buy
6,014
$26.66
$160.33K
Mell Scott A
6 Sep 2022
Chief Financial Officer
Sell
757
$26.46
$20.03K
Schaefer John Philip
7 Jun 2022
President, TriMas Aerospace
Sell
6,800
$29.91
$203.39K
Valenti Samuel III
2 Mar 2022
Chairman
Sell
3,000
$31.59
$94.77K
Finley Teresa
2 Mar 2022
Director
Buy
3,236
$30.89
$99.96K
AMATO THOMAS A
9 Nov 2021
President and CEO
Sell
18,915
$37.05
$700.80K
AMATO THOMAS A
8 Nov 2021
President and CEO
Sell
100
$37.12
$3.71K
AMATO THOMAS A
5 Nov 2021
President and CEO
Sell
25
$37.05
$926.25
AMATO THOMAS A
3 May 2021
President and CEO
Sell
8,525
$32.14
$273.99K
GREENE JEFFREY M
3 May 2021
Director
Sell
6,500
$32.25
$209.63K
AMATO THOMAS A
30 Apr 2021
President and CEO
Sell
15,000
$32.14
$482.10K
Zalupski Robert J
10 Mar 2021
Chief Financial Officer
Sell
10,543
$33.05
$348.45K
Zalupski Robert J
9 Mar 2021
Chief Financial Officer
Sell
3,248
$33.01
$107.22K
AMATO THOMAS A
9 Mar 2021
President and CEO
Exercised, kept
50,000
$17.87
$893.50K
Sherbin Joshua A
5 Mar 2021
Senior Vice Pres & Gen Counsel
Sell
10,337
$32.27
$333.57K
Valenti Samuel III
4 Mar 2021
Chairman
Sell
20,000
$32.60
$652.00K
Sherbin Joshua A
4 Mar 2021
Senior Vice Pres & Gen Counsel
Sell
1,681
$32.25
$54.21K
Swart Paul
4 Mar 2021
Chief Accounting Officer
Sell indirect
3,399
$31.61
$107.44K
Sherbin Joshua A
3 Mar 2021
Senior Vice Pres & Gen Counsel
Sell
10,468
$32.27
$337.80K
Zalupski Robert J
3 Mar 2021
Chief Financial Officer
Sell
7,000
$32.13
$224.91K
Zalupski Robert J
3 Mar 2021
Chief Financial Officer
Sell
7,561
$32.16
$243.16K
Parker Herbert K
3 Mar 2021
Director
Sell
2,500
$32.16
$80.40K
Parker Herbert K
2 Mar 2021
Director
Sell
21,158
$32.16
$680.44K
Sherbin Joshua A
2 Mar 2021
Senior Vice Pres & Gen Counsel
Sell
20,110
$32.79
$659.41K
AMATO THOMAS A
2 Mar 2021
President and CEO
Sold after exercise
502
$33.17
$16.65K
AMATO THOMAS A
2 Mar 2021
President and CEO
Sold after exercise
24,521
$32.39
$794.24K
Zalupski Robert J
2 Mar 2021
Chief Financial Officer
Sell
1,074
$32.50
$34.91K
Zalupski Robert J
27 Aug 2020
Chief Financial Officer
Sell
10,000
$25.87
$258.70K
Boehne Holly M
14 May 2020
Director
Buy
2,582
$19.31
$49.86K
Tredwell Daniel P
12 Mar 2020
Director
Buy
5,000
$22.06
$110.30K
Sherbin Joshua A
2 Mar 2020
Senior Vice Pres & Gen Counsel
Sell
11,821
$26.48
$313.02K
Swart Paul
27 Nov 2019
Chief Accounting Officer
Sell indirect
2,500
$31.20
$77.99K
Sherbin Joshua A
26 Nov 2019
Senior Vice Pres & Gen Counsel
Sell
1,348
$31.25
$42.13K
Sherbin Joshua A
25 Nov 2019
Senior Vice Pres & Gen Counsel
Sell
719
$31.25
$22.47K
AMATO THOMAS A
15 Nov 2019
President and CEO
Sell
16,000
$31.08
$497.30K
Zalupski Robert J
8 Nov 2019
Chief Financial Officer
Sell
2,600
$31.33
$81.45K
Swart Paul
6 Nov 2019
Chief Accounting Officer
Sell indirect
2,500
$30.51
$76.26K
Sherbin Joshua A
5 Nov 2019
Senior Vice Pres & Gen Counsel
Sell
5,000
$30.00
$150.01K
Zalupski Robert J
11 Sep 2019
Chief Financial Officer
Sell
7,500
$31.24
$234.29K
Zalupski Robert J
5 Sep 2019
Chief Financial Officer
Sell
7,500
$30.20
$226.51K
Zalupski Robert J
21 May 2019
Chief Financial Officer
Sell
10,000
$30.25
$302.45K
MILLER EUGENE A
20 May 2019
Director
Sell
10,000
$30.01
$300.07K
Sherbin Joshua A
20 May 2019
Senior Vice Pres & Gen Counsel
Sell
9,257
$30.08
$278.44K
Valenti Samuel III
20 May 2019
Chairman
Sell
10,000
$29.98
$299.83K
AMATO THOMAS A
17 May 2019
President and CEO
Sell
4,991
$30.47
$152.08K
Sherbin Joshua A
17 May 2019
Senior Vice Pres & Gen Counsel
Sell
12,098
$30.40
$367.73K
Gougarty Nancy
17 May 2019
Director
Sell
8,037
$30.33
$243.76K
AMATO THOMAS A
16 May 2019
President and CEO
Sell
10,000
$30.72
$307.20K
Gabrys Richard Marcel
5 Mar 2019
Director
Exercised, kept
28,427
$0.86
$24.45K
Zalupski Robert J
28 Feb 2019
Chief Financial Officer
Sell
2,500
$32.01
$80.04K
MILLER EUGENE A
10 Jan 2019
Director
Exercised, kept
28,427
$0.86
$24.45K
Zalupski Robert J
30 Aug 2018
Chief Financial Officer
Sell
5,000
$31.08
$155.42K
Sherbin Joshua A
21 May 2018
Senior Vice Pres & Gen Counsel
Sell
5,000
$29.03
$145.15K
Swart Paul
2 May 2018
Chief Accounting Officer
Sell indirect
2,000
$27.05
$54.10K
Zalupski Robert J
2 May 2018
Chief Financial Officer
Sell
2,500
$27.11
$67.78K
Zalupski Robert J
1 May 2018
Chief Financial Officer
Sell
5,000
$27.20
$136.00K
Sherbin Joshua A
30 Apr 2018
Senior Vice Pres & Gen Counsel
Sell indirect
29,546
$27.37
$808.67K
Sherbin Joshua A
27 Apr 2018
Senior Vice Pres & Gen Counsel
Sell indirect
454
$28.05
$12.73K
Zalupski Robert J
30 Nov 2017
Chief Financial Officer
Sell
816
$25.76
$21.02K
Zalupski Robert J
29 Nov 2017
Chief Financial Officer
Sell
2,000
$26.01
$52.02K
Sherbin Joshua A
20 Nov 2017
Senior Vice Pres & Secretary
Sell indirect
5,528
$25.51
$141.03K
Sherbin Joshua A
16 Nov 2017
Senior Vice Pres & Secretary
Sell indirect
8,300
$25.50
$211.65K
Zalupski Robert J
3 Nov 2017
Chief Financial Officer
Sell
700
$26.60
$18.62K
Zalupski Robert J
3 Nov 2017
Chief Financial Officer
Sell
100
$26.60
$2.66K
Swart Paul
3 Nov 2017
Chief Accounting Officer
Sell indirect
1,500
$26.57
$39.86K
Gougarty Nancy
1 Aug 2017
Director
Sell
5,882
$24.80
$145.87K
Swart Paul
1 Aug 2017
Chief Accounting Officer
Sell indirect
3,000
$24.76
$74.28K
Zalupski Robert J
24 May 2017
Chief Financial Officer
Sell
812
$22.00
$17.86K
Zalupski Robert J
23 May 2017
Chief Financial Officer
Sell
1,388
$22.00
$30.54K
AMATO THOMAS A
4 May 2017
President and CEO
Buy
1,700
$22.75
$38.68K
Zalupski Robert J
14 Mar 2017
Chief Financial Officer
Sell
1,500
$21.25
$31.88K
Gougarty Nancy
13 Mar 2017
Director
Sell
300
$21.03
$6.31K
Gougarty Nancy
13 Mar 2017
Director
Sell
1,000
$21.01
$21.01K
Gougarty Nancy
13 Mar 2017
Director
Sell
1,012
$21.01
$21.26K
Gougarty Nancy
13 Mar 2017
Director
Sell
664
$21.00
$13.94K
Zalupski Robert J
13 Mar 2017
Chief Financial Officer
Sell
2,500
$21.15
$52.88K
Zalupski Robert J
10 Mar 2017
Chief Financial Officer
Sell
2,500
$21.05
$52.63K
Swart Paul
10 Nov 2016
Chief Accounting Officer
Exercised, kept indirect
473
$19.42
$9.19K
AMATO THOMAS A
4 Nov 2016
President and CEO
Buy
2,000
$17.70
$35.41K
AMATO THOMAS A
31 Oct 2016
President and CEO
Buy
900
$17.61
$15.85K
AMATO THOMAS A
31 Oct 2016
President and CEO
Buy
1,300
$17.61
$22.90K

What was left out

Form 4 filings counted 326
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 9
Sales on a Rule 10b5-1 plan 1
Sales straight out of an exercise 2
Sales at will 80
Transactions with no price 0
Shares from compensation/vesting 2,260,057
Sales filed before the plan box existed 69
History held since 4 Oct 2016