Insider
Date
Role
Action
Shares
Price
Amount
III Robert Nielsen
2 Nov 2026
SR VP Operations
Sell
1,500
$185.50
$278.25K
III Robert Nielsen
30 Oct 2026
SR VP Operations
Sell
10
$184.10
$1.84K
III Robert Nielsen
30 Oct 2026
SR VP Operations
Sell
490
$187.06
$91.66K
Matthew Stephen Black
29 Oct 2026
Sr VP Chief Tax Officer
Sell
5,417
$180.04
$975.28K
Matthew Stephen Black
29 Oct 2026
Sr VP Chief Tax Officer
Sell
5,583
$181.15
$1.01M
James Little
27 Oct 2026
Executive VP Engineering
Sell
2,000
$185.22
$370.44K
Derek Tan
26 Oct 2026
SR VP Chief Accounting Officer
Sell
1,000
$186.77
$186.77K
III Robert Nielsen
19 Aug 2026
SR VP Operations
Sell
700
$170.00
$119.00K
Philip Rivard
18 Aug 2026
SR VP Business Development
Sell
2,500
$166.57
$416.43K
Susan Netherton
13 Aug 2026
SR VP People, Training & Dev
Sell
1,750
$166.00
$290.50K
III Robert Nielsen
29 Jul 2026
SR VP Operations
Sell
300
$173.10
$51.93K
Robert Michael Cloninger
28 Jul 2026
SR VP, Deputy General Counsel
Sell
238
$171.33
$40.78K
Robert Michael Cloninger
28 Jul 2026
SR VP, Deputy General Counsel
Sell
2,573
$171.00
$439.97K
Jason Craft
5 Jun 2026
Executive Vice President & COO
Sell
1,500
$156.59
$234.89K
Patrick James Shea
5 Jun 2026
Exec VP, General Counsel & Sec
Sell
7,500
$156.26
$1.17M
III Robert Nielsen
14 May 2026
SR VP Operations
Sell
500
$155.56
$77.78K
III Robert Nielsen
13 May 2026
SR VP Operations
Sell
290
$151.00
$43.79K
III Robert Nielsen
12 May 2026
SR VP Operations
Sell
337
$153.00
$51.56K
Eric Hansen
30 Apr 2026
Senior Vice President and CIO
Sell
6,000
$164.82
$988.92K
James Little
27 Apr 2026
Executive VP Engineering
Sell
2,605
$163.98
$427.17K
Derek Tan
4 Mar 2026
SR VP Chief Accounting Officer
Sell
1,173
$171.03
$200.62K
III Robert Nielsen
10 Dec 2025
SR VP Operations
Sell
2,000
$167.59
$335.18K
Edward E Guillet
28 Oct 2025
Director
Sell
9,000
$174.44
$1.57M
Patrick James Shea
12 Aug 2025
Exec VP, General Counsel & Sec
Sell
5,000
$188.45
$942.26K
III Robert Nielsen
8 Aug 2025
SR VP Operations
Sell
1,000
$190.00
$190.00K
Susan Netherton
29 Jul 2025
SR VP People, Training & Dev
Sell
1,500
$191.12
$286.68K
III Robert Nielsen
23 May 2025
SR VP Operations
Sell
473
$195.50
$92.47K
III Robert Nielsen
23 May 2025
SR VP Operations
Sell
500
$197.00
$98.50K
Darrell W Chambliss
10 Mar 2025
EVP & COO
Sell
13,566
$188.30
$2.55M
James Little
4 Mar 2025
Executive VP Engineering
Sell
4,200
$192.02
$806.48K
III Robert Nielsen
4 Mar 2025
SR VP Operations
Sell
1,000
$193.00
$193.00K
Domenic Pio
3 Mar 2025
SR VP Operations
Sell
10,000
$192.64
$1.93M
Andrea E. Bertone
26 Feb 2025
Director
Sell
283
$189.10
$53.51K
Robert Michael Cloninger
25 Feb 2025
SR VP, Deputy General Counsel
Sell
3,077
$188.89
$581.22K
Philip Rivard
24 Feb 2025
SR VP Business Development
Sell
5,000
$189.34
$946.70K
III Robert Nielsen
12 Nov 2024
SR VP Operations
Sell
1,000
$187.50
$187.50K
James Little
11 Nov 2024
Executive VP Engineering
Sell
indirect
2,000
$185.33
$370.65K
III Robert Nielsen
9 Sep 2024
SR VP Operations
Sell
571
$185.50
$105.92K
Edward E Guillet
3 Sep 2024
Director
Sell
8,000
$184.83
$1.48M
III Robert Nielsen
14 Aug 2024
SR VP Operations
Sell
500
$181.75
$90.88K
III Robert Nielsen
7 Aug 2024
SR VP Operations
Sell
1,000
$180.15
$180.15K
Philip Rivard
5 Aug 2024
SR VP Business Development
Sell
2,300
$174.75
$401.93K
Susan Netherton
2 Aug 2024
SR VP People, Training & Dev
Sell
2,000
$179.13
$358.26K
Mary Anne Whitney
31 Jul 2024
Executive Vice President & CFO
Sell
16,300
$178.05
$2.90M
III Robert Nielsen
7 Jun 2024
SR VP Operations
Sell
1,000
$169.00
$169.00K
Michael W Harlan
10 May 2024
Director
Sell
1,500
$167.59
$251.39K
III Robert Nielsen
9 May 2024
SR VP Operations
Sell
2,000
$166.00
$332.00K
Edward E Guillet
7 Mar 2024
Director
Sell
2,000
$168.79
$337.59K
James Little
7 Mar 2024
Executive VP Engineering
Sell
6,000
$168.64
$1.01M
Philip Rivard
26 Feb 2024
SR VP Business Development
Sell
1,250
$170.21
$212.76K
Robert Michael Cloninger
23 Feb 2024
SR VP, Deputy General Counsel
Sell
3,746
$170.21
$637.61K
Andrea E. Bertone
22 Feb 2024
Director
Sell
902
$169.17
$152.59K
Matthew Stephen Black
20 Feb 2024
Sr VP Chief Accounting Officer
Sell
4,128
$167.34
$690.76K
Eric Hansen
20 Feb 2024
Senior Vice President and CIO
Sell
3,523
$168.04
$592.00K
Patrick James Shea
20 Feb 2024
Exec VP, General Counsel & Sec
Sell
9,000
$167.98
$1.51M
Philip Rivard
21 Dec 2023
SR VP Business Development
Sell
5,097
$146.26
$745.49K
III Robert Nielsen
6 Dec 2023
SR VP Operations
Sell
500
$140.50
$70.25K
Robert Michael Cloninger
1 Nov 2023
SR VP, Deputy General Counsel
Sell
1,185
$129.87
$153.90K
Robert Michael Cloninger
1 Nov 2023
SR VP, Deputy General Counsel
Sell
1,477
$129.90
$191.87K
Robert Michael Cloninger
1 Nov 2023
SR VP, Deputy General Counsel
Sell
283
$129.92
$36.77K
William J Razzouk
5 Sep 2023
Director
Sell
indirect
300
$139.22
$41.77K
William J Razzouk
5 Sep 2023
Director
Sell
indirect
200
$139.18
$27.84K
William J Razzouk
5 Sep 2023
Director
Sell
indirect
500
$139.27
$69.64K
William J Razzouk
5 Sep 2023
Director
Sell
500
$139.25
$69.62K
III Robert Nielsen
1 Sep 2023
SR VP Operations
Sell
200
$139.00
$27.80K
James Little
18 Aug 2023
Executive VP Engineering
Sell
3,200
$137.97
$441.52K
Susan Netherton
8 Aug 2023
SR VP People, Training & Dev
Sell
2,500
$140.10
$350.25K
David Eddie
6 Mar 2023
Sr VP Performance Optimization
Sell
1,700
$135.65
$230.61K
James Little
6 Mar 2023
Executive VP Engineering
Sell
4,500
$135.87
$611.41K
William J Razzouk
6 Mar 2023
Director
Sell
indirect
1,000
$135.55
$135.55K
William J Razzouk
6 Mar 2023
Director
Sell
indirect
1,000
$135.59
$135.59K
William J Razzouk
6 Mar 2023
Director
Sell
1,000
$135.61
$135.61K
Robert Michael Cloninger
2 Mar 2023
SR VP, Deputy General Counsel
Sell
1,500
$133.55
$200.33K
Eric Hansen
7 Nov 2022
Senior Vice President and CIO
Sell
4,000
$136.93
$547.72K
Patrick James Shea
8 Sep 2022
Exec VP, General Counsel & Sec
Sell
7,000
$145.26
$1.02M
William J Razzouk
8 Aug 2022
Director
Sell
indirect
1,000
$140.09
$140.09K
William J Razzouk
8 Aug 2022
Director
Sell
indirect
1,000
$140.23
$140.23K
William J Razzouk
8 Aug 2022
Director
Sell
1,000
$140.24
$140.24K
William J Razzouk
8 Aug 2022
Director
Sell
3,073
$139.96
$430.10K
Matthew Stephen Black
5 Aug 2022
Sr. Vice President - Tax
Sell
8,500
$138.18
$1.17M
Jason Craft
18 Nov 2021
Sr Vice President - Operations
Sell
1,250
$138.21
$172.76K
James Little
3 Nov 2021
Executive VP Engineering
Sell
2,500
$137.76
$344.40K
Darrell W Chambliss
1 Nov 2021
EVP & COO
Sell
12,466
$135.06
$1.68M
David M Hall
11 Aug 2021
Sr. Vice President - Sales
Sell
12,626
$126.00
$1.59M
Patrick James Shea
9 Jun 2021
Exec VP, General Counsel & Sec
Sell
11,000
$120.35
$1.32M
David Eddie
3 May 2021
Sr. VP & Chief Accting Officer
Sell
35,386
$120.00
$4.25M
Susan Netherton
3 May 2021
VP People, Training & Devlpmnt
Sell
2,500
$120.33
$300.83K
James Little
9 Mar 2021
Executive VP Engineering
Sell
2,310
$103.03
$238.00K
Matthew Stephen Black
7 Dec 2020
Sr. Vice President - Tax
Sell
2,100
$102.24
$214.71K
James Little
3 Sep 2020
Executive VP Engineering
Sell
5,000
$101.95
$509.76K
Edward E Guillet
27 Aug 2020
Director
Sell
10,000
$101.23
$1.01M
Ronald J Mittelstaedt
14 Aug 2020
Executive Chairman
Sell
48,814
$100.19
$4.89M
Worthing Jackman
20 May 2020
President and CEO
Sell
18,000
$92.26
$1.66M
James Little
3 Mar 2020
Executive VP Engineering
Sell
3,000
$99.28
$297.84K
Michael W Harlan
2 Mar 2020
Director
Sell
10,600
$97.26
$1.03M
Patrick James Shea
2 Mar 2020
Exec VP, General Counsel & Sec
Sell
9,000
$98.00
$882.04K
Eric Hansen
18 Feb 2020
Senior Vice President and CIO
Sell
5,000
$104.28
$521.38K
David Eddie
20 Nov 2019
Sr. VP & Chief Accting Officer
Sell
934
$90.55
$84.57K
Michael W Harlan
6 Sep 2019
Director
Sell
2,038
$91.43
$186.33K
Matthew Stephen Black
4 Sep 2019
Sr. Vice President - Tax
Sell
4,000
$91.69
$366.76K
Edward E Guillet
15 Aug 2019
Director
Sell
20,000
$90.41
$1.81M
Patrick James Shea
8 Aug 2019
Exec VP, General Counsel & Sec
Sell
5,390
$92.36
$497.80K
Patrick James Shea
8 Aug 2019
Exec VP, General Counsel & Sec
Sell
11,610
$92.35
$1.07M
Eric Hansen
6 Aug 2019
Senior Vice President and CIO
Sell
5,500
$90.00
$495.00K
Darrell W Chambliss
2 Aug 2019
EVP & COO
Sell
12,600
$89.50
$1.13M
Darrell W Chambliss
2 Aug 2019
EVP & COO
Sell
1,500
$90.01
$135.02K
James Little
2 Aug 2019
Executive VP Engineering
Sell
10,000
$89.74
$897.43K
William J Razzouk
1 Aug 2019
Director
Sell
6,000
$90.29
$541.72K
Darrell W Chambliss
5 Sep 2018
EVP & COO
Sell
6,485
$80.00
$518.80K
Michael W Harlan
4 Sep 2018
Director
Sell
11,900
$79.30
$943.69K
David Eddie
17 Aug 2018
Sr. VP & Chief Accting Officer
Sell
20,000
$80.06
$1.60M
David M Hall
30 May 2018
Sr. Vice President
Sell
15,078
$77.46
$1.17M
Matthew Stephen Black
29 May 2018
Sr. Vice President - Tax
Sell
5,000
$75.94
$379.70K
James Little
24 May 2018
Sr. Vice President Engineering
Sell
3,000
$76.28
$228.85K
Steven F Bouck
23 May 2018
President
Sell
10,000
$76.31
$763.08K
Edward E Guillet
21 May 2018
Director
Sell
10,000
$75.98
$759.76K
Patrick James Shea
17 May 2018
Sr. VP, General Counsel & Sec
Sell
11,500
$75.07
$863.34K
Ronald J Mittelstaedt
9 Mar 2018
Chief Executive Officer
Sell
45,000
$73.32
$3.30M
James Little
2 Mar 2018
Sr. Vice President Engineering
Sell
5,000
$70.49
$352.46K
Michael W Harlan
26 Feb 2018
Director
Sell
11,500
$72.03
$828.35K
David Eddie
20 Feb 2018
Sr. VP & Chief Accting Officer
Sell
600
$71.16
$42.69K
David Eddie
20 Feb 2018
Sr. VP & Chief Accting Officer
Sell
5,471
$71.05
$388.71K
Darrell W Chambliss
31 Oct 2017
EVP & COO
Sell
1,292
$71.05
$91.80K
Darrell W Chambliss
31 Oct 2017
EVP & COO
Sell
4,333
$70.97
$307.51K
Robert Davis
30 Oct 2017
Director
Sell
700
$71.72
$50.20K
Edward E Guillet
2 Aug 2017
Director
Sell
11,500
$65.27
$750.60K
Darrell W Chambliss
1 Aug 2017
EVP & COO
Sell
25,000
$65.05
$1.63M
James Little
31 Jul 2017
Sr. Vice President Engineering
Sell
3,000
$64.81
$194.43K
Worthing Jackman
28 Jul 2017
EVP & CFO
Sell
30,000
$65.00
$1.95M
Steven F Bouck
7 Jun 2017
President
Sell
15,000
$96.05
$1.44M
Michael W Harlan
5 Jun 2017
Director
Sell
3,400
$96.49
$328.06K
Patrick James Shea
2 Jun 2017
Sr. VP, General Counsel & Sec
Sell
2,000
$96.91
$193.82K
Patrick James Shea
2 Jun 2017
Sr. VP, General Counsel & Sec
Sell
2,000
$96.97
$193.93K
Patrick James Shea
2 Jun 2017
Sr. VP, General Counsel & Sec
Sell
2,000
$96.97
$193.94K
James Little
9 Mar 2017
Sr. Vice President Engineering
Sell
3,108
$86.40
$268.54K
Robert Davis
2 Mar 2017
Director
Sell
500
$87.72
$43.86K
Patrick James Shea
25 Feb 2017
Sr. VP, General Counsel & Sec
Sell
702
$87.33
$61.31K
Matthew Stephen Black
25 Feb 2017
Sr. Vice President - Tax
Sell
422
$87.33
$36.85K
David Eddie
25 Feb 2017
Sr. VP & Chief Accting Officer
Sell
1,235
$87.33
$107.85K
David M Hall
25 Feb 2017
Sr. Vice President
Sell
710
$87.33
$62.00K
Ronald J Mittelstaedt
25 Feb 2017
Chief Executive Officer
Sell
2,673
$87.33
$233.43K
Ronald J Mittelstaedt
25 Feb 2017
Chief Executive Officer
Sell
146
$87.33
$12.75K
Steven F Bouck
25 Feb 2017
President
Sell
2,653
$87.33
$231.69K
Worthing Jackman
25 Feb 2017
EVP & CFO
Sell
177
$87.33
$15.46K
Darrell W Chambliss
25 Feb 2017
EVP & COO
Sell
2,064
$87.33
$180.25K
James Little
25 Feb 2017
Sr. Vice President Engineering
Sell
896
$87.33
$78.25K
Larry Sanford Hughes
24 Feb 2017
Director
Sell
321
$87.31
$28.03K
Susan Lee
24 Feb 2017
Director
Sell
321
$87.31
$28.03K
Michael W Harlan
24 Feb 2017
Director
Sell
337
$87.31
$29.42K
Robert Davis
24 Feb 2017
Director
Sell
313
$87.31
$27.33K
Edward E Guillet
24 Feb 2017
Director
Sell
332
$87.31
$28.99K
Ronald J Mittelstaedt
13 Feb 2017
Chief Executive Officer
Sell
3,166
$80.61
$255.21K
Steven F Bouck
13 Feb 2017
President
Sell
1,559
$80.61
$125.67K
Darrell W Chambliss
13 Feb 2017
EVP & COO
Sell
1,750
$80.61
$141.07K
Worthing Jackman
13 Feb 2017
EVP & CFO
Sell
1,912
$80.61
$154.13K
David Eddie
13 Feb 2017
Sr. VP & Chief Accting Officer
Sell
1,071
$80.61
$86.33K
David M Hall
13 Feb 2017
Sr. Vice President
Sell
662
$80.61
$53.36K
James Little
13 Feb 2017
Sr. Vice President Engineering
Sell
783
$80.61
$63.12K
Patrick James Shea
13 Feb 2017
Sr. VP, General Counsel & Sec
Sell
623
$80.61
$50.22K
Matthew Stephen Black
12 Feb 2017
Sr. Vice President - Tax
Sell
413
$80.03
$33.05K
Ronald J Mittelstaedt
12 Feb 2017
Chief Executive Officer
Sell
3,092
$80.03
$247.45K
Steven F Bouck
12 Feb 2017
President
Sell
1,524
$80.03
$121.97K
Darrell W Chambliss
12 Feb 2017
EVP & COO
Sell
1,751
$80.03
$140.13K
Worthing Jackman
12 Feb 2017
EVP & CFO
Sell
1,913
$80.03
$153.10K
David Eddie
12 Feb 2017
Sr. VP & Chief Accting Officer
Sell
1,090
$80.03
$87.23K
David M Hall
12 Feb 2017
Sr. Vice President
Sell
649
$80.03
$51.94K
James Little
12 Feb 2017
Sr. Vice President Engineering
Sell
781
$80.03
$62.50K
Patrick James Shea
12 Feb 2017
Sr. VP, General Counsel & Sec
Sell
783
$80.03
$62.66K
Matthew Stephen Black
11 Feb 2017
Sr. Vice President - Tax
Sell
334
$80.03
$26.73K
Ronald J Mittelstaedt
11 Feb 2017
Chief Executive Officer
Sell
3,486
$80.03
$278.98K
Steven F Bouck
11 Feb 2017
President
Sell
1,129
$80.03
$90.35K
Darrell W Chambliss
11 Feb 2017
EVP & COO
Sell
1,272
$80.03
$101.80K
Worthing Jackman
11 Feb 2017
EVP & CFO
Sell
1,494
$80.03
$119.56K
David Eddie
11 Feb 2017
Sr. VP & Chief Accting Officer
Sell
801
$80.03
$64.10K
David M Hall
11 Feb 2017
Sr. Vice President
Sell
437
$80.03
$34.97K
James Little
11 Feb 2017
Sr. Vice President Engineering
Sell
575
$80.03
$46.02K
Patrick James Shea
11 Feb 2017
Sr. VP, General Counsel & Sec
Sell
558
$80.03
$44.66K
Robert Davis
11 Feb 2017
Director
Sell
567
$80.03
$45.38K
Michael W Harlan
11 Feb 2017
Director
Sell
423
$80.03
$33.85K
Edward E Guillet
11 Feb 2017
Director
Sell
567
$80.03
$45.38K
William J Razzouk
11 Feb 2017
Director
Sell
423
$80.03
$33.85K
