| Filing Date | Insider | Type | 10b5-1 | Net Shares | Ownership change | Avg. Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| 2025-12-05 | Fischer David B Director | Sale | -8,000 | -50.03%7,989 | $153.97 | $1,231,748 | View SEC filing | |
| 2025-12-05 | van Gunsteren Job Leonard SVP and GM, Specialty Products | Sale | -6,000 | -38.85%9,446 | $153.29 | $919,723 | View SEC filing | |
| 2025-11-13 | Reid Martin Luther SVP Chief Supply Chain Officer | Sale | -1,200 | -13.97%7,391 | $154.44 | $185,328 | View SEC filing | |
| 2024-08-02 | van Gunsteren Job Leonard SVP and GM, Specialty Products | Sale | -7,750 | -47.58%8,540 | $180.05 | $1,395,412 | View SEC filing | |
| 2024-08-01 | Backus William A. VP & Chief Accounting Officer | Sale | -4,804 | -48.41%5,120 | $178.93 | $859,560 | View SEC filing | |
| 2024-05-13 | Sestrick Michael Robert SVP & Chief Technology Officer | Sale | -1,929 | -28.34%4,878 | $154.45 | $297,935 | View SEC filing | |
| 2024-05-10 | Fischer David B Director | Sale | -5,000 | -35.69%9,009 | $152.98 | $764,902 | View SEC filing | |
| 2024-03-12 | Tignor Michael Brent SVP & Chief HR Officer | Sale | -5,339 | -38.95%8,368 | $157.52 | $840,985 | View SEC filing | |
| 2024-03-06 | Wineinger Matthew David Director | Sale | -1,333 | -17.79%6,162 | $156.89 | $209,128 | View SEC filing | |
| 2024-02-27 | Backus William A. VP & Chief Accounting Officer | Sale | -16,180 | -73.23%5,914 | $155.86 | $2,521,773 | View SEC filing | |
| 2024-02-23 | Backus William A. VP & Chief Accounting Officer | Sale | -15,000 | -53.74%12,914 | $154.73 | $2,321,025 | View SEC filing | |
| 2024-02-23 | Sestrick Michael Robert SVP & Chief Technology Officer | Sale | -11,100 | -62.23%6,736 | $153.21 | $1,700,613 | View SEC filing | |
| 2024-02-23 | Harris Theodore L Chairman, President & CEO | Sale | -64,029 | -30.89%66,412 | $153.96 | $9,858,057 | View SEC filing | |
| 2023-09-12 | Fischer David B Director | Sale | -3,800 | -22.00%13,469 | $131.57 | $499,979 | View SEC filing | |
| 2023-05-04 | Sestrick Michael Robert SVP & Chief Technology Officer | Sale | -2,300 | -29.78%5,424 | $130.36 | $299,837 | View SEC filing | |
| 2023-03-22 | Fischer David B Director | Sale | -3,000 | -14.80%17,269 | $127.01 | $381,021 | View SEC filing | |
| 2022-08-16 | van Gunsteren Job Leonard Vice President | Sale | -1,000 | -41.15%1,430 | $131.12 | $131,121 | View SEC filing | |
| 2022-08-09 | van Gunsteren Job Leonard Vice President | Sale | -2,629 | -64.77%1,430 | $127.01 | $333,904 | View SEC filing | |
| 2022-08-05 | van Gunsteren Job Leonard Vice President | Sale | -4,972 | -71.58%1,430 | $126.00 | $626,475 | View SEC filing | |
| 2021-08-09 | Backus William A. Chief Accounting Officer | Sale | -22,768 | -66.44%11,502 | $133.11 | $3,030,572 | View SEC filing | |
| 2020-11-16 | MASON SCOTT C Vice President | Sale | -3,000 | -23.67%9,675 | $103.00 | $309,000 | View SEC filing | |
| 2019-08-30 | LUDWIG DAVID F Vice President, Specialty & In | Sale | -12,750 | -9.80%18,976 | $90.00 | $1,147,500 | View SEC filing | |
| 2019-08-05 | MASON SCOTT C Vice President | Purchase | +3,000 | +31.50%12,524 | $84.74 | $254,220 | View SEC filing | |
| 2018-11-14 | Knutson Daniel E Director | Purchase | +650 | +76.92%1,495 | $89.11 | $57,922 | View SEC filing | |
| 2017-06-15 | MCMILLAN EDWARD Director | Sale | -2,556.59 | -9.04%25,739 | $81.08 | $207,301 | View SEC filing |
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