The table below lists insider purchases and sales reported by company officers, directors, and major shareholders during the last 12 months.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Aug 12, 2025 Shea Patrick James |
Shea Patrick James
Exec VP, General Counsel & Sec
|
Sell |
5,000 | $188.45 | 5,000 $188.45 $942,259 |
Aug 08, 2025 NIELSEN III ROBERT |
NIELSEN III ROBERT
SR VP OPERATIONS
|
Sell |
1,000 | $190.00 | 1,000 $190.00 $190,000 |
Jul 29, 2025 Netherton Susan |
Netherton Susan
SR VP People, Training & Dev
|
Sell |
1,500 | $191.12 | 1,500 $191.12 $286,680 |
May 23, 2025 NIELSEN III ROBERT |
NIELSEN III ROBERT
SR VP OPERATIONS
|
Sell |
500 | $197.00 | 500 $197.00 $98,500 |
May 23, 2025 NIELSEN III ROBERT |
NIELSEN III ROBERT
SR VP OPERATIONS
|
Sell |
473 | $195.50 | 473 $195.50 $92,472 |
Mar 10, 2025 CHAMBLISS DARRELL W |
CHAMBLISS DARRELL W
EVP & COO
|
Sell |
13,566 | $188.30 | 13,566 $188.30 $2,554,478 |
Nov 12, 2024 NIELSEN III ROBERT |
NIELSEN III ROBERT
SR VP OPERATIONS
|
Sell |
1,000 | $187.50 | 1,000 $187.50 $187,500 |
Sep 09, 2024 NIELSEN III ROBERT |
NIELSEN III ROBERT
SR VP OPERATIONS
|
Sell |
571 | $185.50 | 571 $185.50 $105,921 |
Sep 03, 2024 GUILLET EDWARD E |
GUILLET EDWARD E
|
Sell |
8,000 | $184.83 | 8,000 $184.83 $1,478,640 |
Aug 14, 2024 NIELSEN III ROBERT |
NIELSEN III ROBERT
SR VP OPERATIONS
|
Sell |
500 | $181.75 | 500 $181.75 $90,875 |
Aug 05, 2024 RIVARD PHILIP |
RIVARD PHILIP
Sr VP Business Development
|
Sell |
2,300 | $174.75 | 2,300 $174.75 $401,925 |
Aug 02, 2024 Netherton Susan |
Netherton Susan
SR VP People, Training & Dev
|
Sell |
2,000 | $179.13 | 2,000 $179.13 $358,263 |
Jul 31, 2024 Whitney Mary Anne |
Whitney Mary Anne
Executive Vice President & CFO
|
Sell |
16,300 | $178.05 | 16,300 $178.05 $2,902,254 |
Jun 07, 2024 NIELSEN III ROBERT |
NIELSEN III ROBERT
SR VP OPERATIONS
|
Sell |
1,000 | $169.00 | 1,000 $169.00 $169,000 |
May 10, 2024 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Sell |
1,500 | $167.59 | 1,500 $167.59 $251,388 |
Mar 07, 2024 LITTLE JAMES |
LITTLE JAMES
Executive VP Engineering
|
Sell |
6,000 | $168.64 | 6,000 $168.64 $1,011,840 |
Mar 07, 2024 GUILLET EDWARD E |
GUILLET EDWARD E
|
Sell |
2,000 | $168.79 | 2,000 $168.79 $337,590 |
Feb 26, 2024 RIVARD PHILIP |
RIVARD PHILIP
Sr VP Business Development
|
Sell |
1,250 | $170.21 | 1,250 $170.21 $212,764 |
Dec 21, 2023 RIVARD PHILIP |
RIVARD PHILIP
Sr VP Business Development
|
Sell |
5,097 | $146.26 | 5,097 $146.26 $745,488 |
Nov 01, 2023 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Sell |
283 | $129.92 | 283 $129.92 $36,766 |
Nov 01, 2023 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Sell |
1,477 | $129.90 | 1,477 $129.90 $191,867 |
Nov 01, 2023 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Sell |
1,185 | $129.87 | 1,185 $129.87 $153,896 |
Sep 05, 2023 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Sell |
500 | $139.25 | 500 $139.25 $69,623 |
Sep 05, 2023 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Sell |
500 | $139.27 | 500 $139.27 $69,636 |
Sep 05, 2023 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Sell |
200 | $139.18 | 200 $139.18 $27,836 |
Sep 05, 2023 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Sell |
300 | $139.22 | 300 $139.22 $41,766 |
Sep 01, 2023 NIELSEN III ROBERT |
NIELSEN III ROBERT
SR VP OPERATIONS
|
Sell |
200 | $139.00 | 200 $139.00 $27,800 |
Aug 18, 2023 LITTLE JAMES |
LITTLE JAMES
Executive VP Engineering
|
Sell |
3,200 | $137.97 | 3,200 $137.97 $441,518 |
Aug 08, 2023 Netherton Susan |
Netherton Susan
SR VP People, Training & Dev
|
Sell |
2,500 | $140.10 | 2,500 $140.10 $350,246 |
Mar 06, 2023 LITTLE JAMES |
LITTLE JAMES
Executive VP Engineering
|
Sell |
4,500 | $135.87 | 4,500 $135.87 $611,408 |
Mar 06, 2023 EDDIE DAVID |
EDDIE DAVID
Sr VP Performance Optimization
|
Sell |
1,700 | $135.65 | 1,700 $135.65 $230,607 |
Mar 06, 2023 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Sell |
1,000 | $135.61 | 1,000 $135.61 $135,610 |
Mar 06, 2023 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Sell |
1,000 | $135.59 | 1,000 $135.59 $135,590 |
Mar 06, 2023 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Sell |
1,000 | $135.55 | 1,000 $135.55 $135,550 |
Mar 02, 2023 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Sell |
1,500 | $133.55 | 1,500 $133.55 $200,325 |
Dec 02, 2022 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Buy |
3 | $142.95 | 3 $142.95 $364 |
Dec 02, 2022 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Buy |
3 | $142.95 | 3 $142.95 $364 |
Dec 02, 2022 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Buy |
3 | $142.95 | 3 $142.95 $364 |
Dec 01, 2022 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
11 | $143.60 | 11 $143.60 $1,522 |
Nov 07, 2022 HANSEN ERIC |
HANSEN ERIC
Senior Vice President and CIO
|
Sell |
4,000 | $136.93 | 4,000 $136.93 $547,720 |
Sep 08, 2022 Shea Patrick James |
Shea Patrick James
Exec VP, General Counsel & Sec
|
Sell |
7,000 | $145.26 | 7,000 $145.26 $1,016,806 |
Sep 02, 2022 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
10 | $140.55 | 10 $140.55 $1,371 |
Sep 02, 2022 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Buy |
2 | $140.50 | 2 $140.50 $328 |
Sep 02, 2022 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Buy |
2 | $140.50 | 2 $140.50 $328 |
Sep 02, 2022 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Buy |
2 | $140.50 | 2 $140.50 $328 |
Aug 08, 2022 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Sell |
3,073 | $139.96 | 3,073 $139.96 $430,097 |
Aug 08, 2022 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Sell |
1,000 | $140.24 | 1,000 $140.24 $140,240 |
Aug 08, 2022 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Sell |
1,000 | $140.23 | 1,000 $140.23 $140,230 |
Aug 08, 2022 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Sell |
1,000 | $140.09 | 1,000 $140.09 $140,090 |
Aug 05, 2022 Black Matthew Stephen |
Black Matthew Stephen
Sr. Vice President - Tax
|
Sell |
8,500 | $138.18 | 8,500 $138.18 $1,174,503 |
Jun 02, 2022 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Buy |
3 | $127.42 | 3 $127.42 $327 |
Jun 02, 2022 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Buy |
3 | $127.42 | 3 $127.42 $327 |
Jun 02, 2022 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Buy |
3 | $127.42 | 3 $127.42 $327 |
Jun 01, 2022 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
11 | $127.63 | 11 $127.63 $1,368 |
Mar 17, 2022 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Buy |
2 | $135.94 | 2 $135.94 $327 |
Mar 17, 2022 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Buy |
2 | $135.94 | 2 $135.94 $327 |
Mar 17, 2022 Cloninger Robert Michael |
Cloninger Robert Michael
SR VP, Deputy General Counsel
|
Buy |
2 | $135.94 | 2 $135.94 $327 |
Mar 16, 2022 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
10 | $135.47 | 10 $135.47 $1,366 |
Mar 09, 2022 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Buy |
84 | $131.25 | 84 $131.25 $11,000 |
Nov 23, 2021 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
10 | $137.22 | 10 $137.22 $1,365 |
Nov 18, 2021 CRAFT JASON |
CRAFT JASON
Sr Vice President - Operations
|
Sell |
1,250 | $138.21 | 1,250 $138.21 $172,763 |
Sep 01, 2021 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
9 | $129.86 | 9 $129.86 $1,215 |
Aug 11, 2021 HALL DAVID M |
HALL DAVID M
Sr. Vice President - Sales
|
Sell |
12,626 | $126.00 | 12,626 $126.00 $1,590,876 |
May 26, 2021 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
10 | $120.49 | 10 $120.49 $1,213 |
May 03, 2021 EDDIE DAVID |
EDDIE DAVID
Sr. VP & Chief Accting Officer
|
Sell |
35,386 | $120.00 | 35,386 $120.00 $4,246,338 |
May 03, 2021 Netherton Susan |
Netherton Susan
VP People, Training & Devlpmnt
|
Sell |
2,500 | $120.33 | 2,500 $120.33 $300,831 |
Mar 17, 2021 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
12 | $102.25 | 12 $102.25 $1,211 |
Mar 09, 2021 LITTLE JAMES |
LITTLE JAMES
Executive VP Engineering
|
Sell |
2,310 | $103.03 | 2,310 $103.03 $238,003 |
Dec 07, 2020 Black Matthew Stephen |
Black Matthew Stephen
Sr. Vice President - Tax
|
Sell |
2,100 | $102.24 | 2,100 $102.24 $214,714 |
Nov 25, 2020 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
12 | $103.57 | 12 $103.57 $1,209 |
Sep 03, 2020 LITTLE JAMES |
LITTLE JAMES
Executive VP Engineering
|
Sell |
5,000 | $101.95 | 5,000 $101.95 $509,761 |
Aug 27, 2020 GUILLET EDWARD E |
GUILLET EDWARD E
|
Sell |
10,000 | $101.23 | 10,000 $101.23 $1,012,262 |
Aug 18, 2020 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
11 | $100.25 | 11 $100.25 $1,089 |
Aug 14, 2020 MITTELSTAEDT RONALD J |
MITTELSTAEDT RONALD J
Executive Chairman
|
Sell |
48,814 | $100.19 | 48,814 $100.19 $4,890,797 |
May 20, 2020 JACKMAN WORTHING |
JACKMAN WORTHING
President and CEO
|
Sell |
18,000 | $92.26 | 18,000 $92.26 $1,660,610 |
May 19, 2020 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
12 | $92.11 | 12 $92.11 $1,087 |
Mar 13, 2020 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
33 | $84.04 | 33 $84.04 $2,749 |
Mar 03, 2020 LITTLE JAMES |
LITTLE JAMES
Executive VP Engineering
|
Sell |
3,000 | $99.28 | 3,000 $99.28 $297,840 |
Mar 02, 2020 Shea Patrick James |
Shea Patrick James
Exec VP, General Counsel & Sec
|
Sell |
9,000 | $98.00 | 9,000 $98.00 $882,039 |
Mar 02, 2020 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Sell |
10,600 | $97.26 | 10,600 $97.26 $1,030,925 |
Feb 18, 2020 HANSEN ERIC |
HANSEN ERIC
Senior Vice President and CIO
|
Sell |
5,000 | $104.28 | 5,000 $104.28 $521,380 |
Nov 26, 2019 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
30 | $91.34 | 30 $91.34 $2,744 |
Nov 20, 2019 EDDIE DAVID |
EDDIE DAVID
Sr. VP & Chief Accting Officer
|
Sell |
934 | $90.55 | 934 $90.55 $84,574 |
Sep 06, 2019 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Sell |
2,038 | $91.43 | 2,038 $91.43 $186,330 |
Sep 04, 2019 Black Matthew Stephen |
Black Matthew Stephen
Sr. Vice President - Tax
|
Sell |
4,000 | $91.69 | 4,000 $91.69 $366,761 |
Aug 26, 2019 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Buy |
26 | $90.38 | 26 $90.38 $2,370 |
Aug 15, 2019 GUILLET EDWARD E |
GUILLET EDWARD E
|
Sell |
20,000 | $90.41 | 20,000 $90.41 $1,808,250 |
Aug 08, 2019 Shea Patrick James |
Shea Patrick James
Exec VP, General Counsel & Sec
|
Sell |
11,610 | $92.35 | 11,610 $92.35 $1,072,225 |
Aug 08, 2019 Shea Patrick James |
Shea Patrick James
Exec VP, General Counsel & Sec
|
Sell |
5,390 | $92.36 | 5,390 $92.36 $497,804 |
Aug 06, 2019 HANSEN ERIC |
HANSEN ERIC
Senior Vice President and CIO
|
Sell |
5,500 | $90.00 | 5,500 $90.00 $495,000 |
Aug 02, 2019 LITTLE JAMES |
LITTLE JAMES
Executive VP Engineering
|
Sell |
10,000 | $89.74 | 10,000 $89.74 $897,432 |
Aug 02, 2019 CHAMBLISS DARRELL W |
CHAMBLISS DARRELL W
EVP & COO
|
Sell |
1,500 | $90.01 | 1,500 $90.01 $135,017 |
Aug 02, 2019 CHAMBLISS DARRELL W |
CHAMBLISS DARRELL W
EVP & COO
|
Sell |
12,600 | $89.50 | 12,600 $89.50 $1,127,700 |
Aug 01, 2019 RAZZOUK WILLIAM J |
RAZZOUK WILLIAM J
|
Sell |
6,000 | $90.29 | 6,000 $90.29 $541,720 |
Sep 05, 2018 CHAMBLISS DARRELL W |
CHAMBLISS DARRELL W
EVP & COO
|
Sell |
6,485 | $80.00 | 6,485 $80.00 $518,800 |
Sep 04, 2018 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Sell |
11,900 | $79.30 | 11,900 $79.30 $943,688 |
Aug 17, 2018 EDDIE DAVID |
EDDIE DAVID
Sr. VP & Chief Accting Officer
|
Sell |
20,000 | $80.06 | 20,000 $80.06 $1,601,200 |
May 30, 2018 HALL DAVID M |
HALL DAVID M
Sr. Vice President
|
Sell |
15,078 | $77.46 | 15,078 $77.46 $1,167,927 |
May 29, 2018 Black Matthew Stephen |
Black Matthew Stephen
Sr. Vice President - Tax
|
Sell |
5,000 | $75.94 | 5,000 $75.94 $379,701 |
May 24, 2018 LITTLE JAMES |
LITTLE JAMES
Sr. Vice President Engineering
|
Sell |
3,000 | $76.28 | 3,000 $76.28 $228,846 |
May 23, 2018 BOUCK STEVEN F |
BOUCK STEVEN F
President
|
Sell |
10,000 | $76.31 | 10,000 $76.31 $763,077 |
May 21, 2018 GUILLET EDWARD E |
GUILLET EDWARD E
|
Sell |
10,000 | $75.98 | 10,000 $75.98 $759,762 |
May 17, 2018 Shea Patrick James |
Shea Patrick James
Sr. VP, General Counsel & Sec
|
Sell |
11,500 | $75.07 | 11,500 $75.07 $863,336 |
Mar 09, 2018 MITTELSTAEDT RONALD J |
MITTELSTAEDT RONALD J
CEO
|
Sell |
45,000 | $73.32 | 45,000 $73.32 $3,299,220 |
Mar 02, 2018 LITTLE JAMES |
LITTLE JAMES
Sr. Vice President Engineering
|
Sell |
5,000 | $70.49 | 5,000 $70.49 $352,457 |
Feb 28, 2018 Hughes Larry Sanford |
Hughes Larry Sanford
|
Buy |
2,250 | $71.50 | 2,250 $71.50 $160,875 |
Feb 26, 2018 HARLAN MICHAEL W |
HARLAN MICHAEL W
|
Sell |
11,500 | $72.03 | 11,500 $72.03 $828,345 |
Feb 20, 2018 EDDIE DAVID |
EDDIE DAVID
Sr. VP & Chief Accting Officer
|
Sell |
5,471 | $71.05 | 5,471 $71.05 $388,715 |
Feb 20, 2018 EDDIE DAVID |
EDDIE DAVID
Sr. VP & Chief Accting Officer
|
Sell |
600 | $71.16 | 600 $71.16 $42,695 |
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