| Filing Date | Insider | Type | 10b5-1 | Net Shares | Ownership change | Avg. Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-01 | DYER TERRANCE M SVP, Chief HR Officer | Sale | -496 | -6.44%7,202 | $68.49 | $33,971 | View SEC filing | |
| 2023-03-08 | White Richard Allen JR SVP, Perf Chem and Pres, ISPT | Sale | -1,439 | -18.06%6,530 | $81.00 | $116,559 | View SEC filing | |
| 2023-03-06 | WOODCOCK STUART EDWARD JR. EVP and Pres, Perf Materials | Sale | -4,968 | -15.77%26,541 | $82.14 | $408,072 | View SEC filing | |
| 2023-03-06 | PLATT PHILLIP JOHN CAO & VP, Bus Transform Lead | Sale | -8,847 | -48.81%5,534 | $81.71 | $722,915 | View SEC filing | |
| 2022-12-06 | Ripple Erik Spencer Chief Growth and Innovation Of | Sale | -856 | -7.81%10,106 | $77.84 | $66,631 | View SEC filing | |
| 2022-12-05 | White Richard Allen JR SVP, Perf Chem and Pres, ISPT | Sale | -1,639 | -29.09%3,995 | $77.97 | $127,793 | View SEC filing | |
| 2021-11-10 | Smith Michael P. EVP, President Perf Chemicals | Sale | -7,878 | -25.93%22,509 | $80.81 | $636,621 | View SEC filing | |
| 2021-05-10 | WOODCOCK STUART EDWARD JR. EVP, President Perf Materials | Sale | -5,178 | -16.97%25,338 | $85.76 | $444,065 | View SEC filing | |
| 2020-08-11 | WOODCOCK STUART EDWARD JR. EVP, President Perf Materials | Sale | -217 | -100.00%0 | $56.76 | $12,317 | View SEC filing | |
| 2020-03-12 | PLATT PHILLIP JOHN CAO & Corporate Controller | Purchase | +600 | +19.69%3,648 | $34.75 | $20,850 | View SEC filing | |
| 2020-03-12 | FERNANDEZ-MORENO LUIS M Director | Purchase | +5,050 | +74.48%11,830 | $39.37 | $198,819 | View SEC filing | |
| 2020-03-05 | Lynch Frederick J Director | Purchase | +5,000 | +73.75%11,780 | $46.42 | $232,100 | View SEC filing | |
| 2020-03-05 | Smith Michael P. EVP, President Perf Chemicals | Purchase | +3,000 | +18.07%19,603 | $47.13 | $141,390 | View SEC filing | |
| 2020-03-04 | BLACKWELL JEAN S Director | Purchase | +1,500 | +31.33%6,287 | $48.72 | $73,080 | View SEC filing | |
| 2020-03-03 | KELSON RICHARD B Interim President & CEO | Purchase | +1,028 | +12.15%9,491 | $48.57 | $49,930 | View SEC filing | |
| 2020-03-03 | Gulyas Diane H. Director | Purchase | +1,000 | +95.06%2,052 | $50.40 | $50,400 | View SEC filing | |
| 2020-02-06 | WILSON D MICHAEL President & CEO | Purchase | +7,500 | +10.08%81,931 | $64.44 | $483,332 | View SEC filing | |
| 2020-02-06 | Fortson John C. EVP, CFO & Treasurer | Purchase | +2,290 | +5.78%41,910 | $65.50 | $149,995 | View SEC filing | |
| 2019-03-01 | Fortson John C. EVP, CFO & Treasurer | Sale | -18,000 | -34.81%33,712 | $114.46 | $2,060,325 | View SEC filing | |
| 2019-02-28 | PLATT PHILLIP JOHN CAO & Corporate Controller | Sale | -2,725 | -70.56%1,137 | $114.07 | $310,828 | View SEC filing | |
| 2019-02-26 | BURGESON KATHERINE PRYOR EVP,General Counsel, Secretary | Sale | -4,400 | -33.33%8,801 | $114.76 | $504,933 | View SEC filing | |
| 2017-05-16 | BLACKWELL JEAN S Director | Purchase | +1,500 | +100.00%1,500 | $58.38 | $87,570 | View SEC filing |
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