| Filing Date | Insider | Type | 10b5-1 | Net Shares | Ownership change | Avg. Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-09 | CRAFT JASON Executive Vice President & COO | Sale | -1,500 | -4.37%32,861 | $156.59 | $234,887 | View SEC filing | |
| 2026-06-09 | Shea Patrick James Exec VP, General Counsel & Sec | Sale | -7,500 | -27.54%19,737 | $156.26 | $1,171,915 | View SEC filing | |
| 2026-05-18 | NIELSEN III ROBERT SR VP Operations | Sale | -500 | -10.53%4,250 | $155.56 | $77,780 | View SEC filing | |
| 2026-05-14 | NIELSEN III ROBERT SR VP Operations | Sale | -627 | -11.66%4,750 | $152.07 | $95,351 | View SEC filing | |
| 2026-05-13 | MITTELSTAEDT RONALD J President & CEO | Purchase | +50,000 | +19.92%301,017 | $152.24 | $7,611,750 | View SEC filing | |
| 2026-05-04 | HANSEN ERIC Senior Vice President and CIO | Sale | -6,000 | -31.01%13,350 | $164.82 | $988,925 | View SEC filing | |
| 2026-04-29 | LITTLE JAMES Executive VP Engineering | Sale | -2,605 | -7.04%34,395 | $163.98 | $427,168 | View SEC filing | |
| 2026-03-06 | TAN DEREK SR VP Chief Accounting Officer | Sale | -1,173 | -45.52%1,404 | $171.03 | $200,618 | View SEC filing | |
| 2025-12-12 | NIELSEN III ROBERT SR VP Operations | Sale | -2,000 | -61.54%1,250 | $167.59 | $335,180 | View SEC filing | |
| 2025-10-30 | GUILLET EDWARD E Director | Sale | -9,000 | -37.68%14,883 | $174.44 | $1,569,928 | View SEC filing | |
| 2025-08-14 | Shea Patrick James Exec VP, General Counsel & Sec | Sale | -5,000 | -19.48%20,671 | $188.45 | $942,259 | View SEC filing | |
| 2025-08-12 | NIELSEN III ROBERT SR VP Operations | Sale | -1,000 | -23.53%3,250 | $190.00 | $190,000 | View SEC filing | |
| 2025-07-31 | Netherton Susan SR VP People, Training & Dev | Sale | -1,500 | -11.34%11,726 | $191.12 | $286,680 | View SEC filing | |
| 2025-05-28 | NIELSEN III ROBERT SR VP Operations | Sale | -973 | -18.63%4,250 | $196.27 | $190,972 | View SEC filing | |
| 2025-03-12 | CHAMBLISS DARRELL W EVP & COO | Sale | -13,566 | -12.50%95,000 | $188.30 | $2,554,478 | View SEC filing | |
| 2025-03-06 | NIELSEN III ROBERT SR VP Operations | Sale | -1,000 | -16.07%5,223 | $193.00 | $193,000 | View SEC filing | |
| 2025-03-06 | LITTLE JAMES Executive VP Engineering | Sale | -4,200 | -12.01%30,765 | $192.02 | $806,480 | View SEC filing | |
| 2025-03-05 | PIO DOMENIC SR VP Operations | Sale | -10,000 | -61.00%6,394 | $192.64 | $1,926,358 | View SEC filing | |
| 2025-02-28 | Bertone Andrea E. Director | Sale | -283 | -100.00%0 | $189.10 | $53,515 | View SEC filing | |
| 2025-02-27 | Cloninger Robert Michael SR VP, Deputy General Counsel | Sale | -3,077 | -20.87%11,666 | $188.89 | $581,219 | View SEC filing | |
| 2025-02-26 | RIVARD PHILIP SR VP Business Development | Sale | -5,000 | -98.78%62 | $189.34 | $946,700 | View SEC filing | |
| 2024-11-13 | NIELSEN III ROBERT SR VP Operations | Sale | -1,000 | -30.77%2,250 | $187.50 | $187,500 | View SEC filing | |
| 2024-11-12 | LITTLE JAMES Executive VP Engineering | Sale | -2,000 | -13.97%12,317 | $185.32 | $370,650 | View SEC filing | |
| 2024-09-11 | NIELSEN III ROBERT SR VP Operations | Sale | -571 | -14.94%3,250 | $185.50 | $105,921 | View SEC filing | |
| 2024-09-05 | GUILLET EDWARD E Director | Sale | -8,000 | -25.32%23,600 | $184.83 | $1,478,640 | View SEC filing |
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