| Filing Date | Insider | Type | 10b5-1 | Net Shares | Ownership change | Avg. Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-05-19 | Masters J Kent Chairman & CEO | Sale | -16,393 | -15.78%87,519 | $183.72 | $3,011,766 | View SEC filing | |
| 2026-03-12 | Masters J Kent Chairman & CEO | Sale | -11,783 | -8.05%134,628 | $170.81 | $2,012,688 | View SEC filing | |
| 2026-02-23 | Norris Eric Chief Commercial Officer | Sale | -5,692 | -10.44%48,819 | $165.45 | $941,741 | View SEC filing | |
| 2026-02-18 | Anderson Melissa H. Chief Bus..Transformation Off. | Sale | -8,454 | -47.25%9,439 | $163.71 | $1,384,004 | View SEC filing | |
| 2025-10-28 | Krupa Ander C. General Counsel & Sec | Sale | -172 | -1.48%11,483 | $105.00 | $18,060 | View SEC filing | |
| 2025-10-14 | Krupa Ander C. General Counsel & Sec | Sale | -116 | -0.99%11,655 | $95.00 | $11,020 | View SEC filing | |
| 2024-12-06 | Masters J Kent Chairman & CEO | Sale | -2,525 | -3.31%73,747 | $101.12 | $255,328 | View SEC filing | |
| 2024-11-20 | Johnson Netha N. Chief Operations Officer | Sale | -1,060 | -3.37%30,360 | $106.04 | $112,403 | View SEC filing | |
| 2024-05-15 | Mummert Mark Richard SVP, Capital Projects | Sale | -843 | -11.03%6,802 | $135.53 | $114,250 | View SEC filing | |
| 2024-05-14 | Barichivich John Clarence III VP, Controller & CAO | Sale | -1,475 | -23.72%4,743 | $132.17 | $194,951 | View SEC filing | |
| 2023-11-07 | Coleman Kristin M. EVP, General Counsel | Purchase | +1,373 | +100.00%2,746 | $121.86 | $167,314 | View SEC filing | |
| 2023-05-15 | Norris Eric President, Energy Storage | Purchase | +1,260 | +4.97%26,596 | $195.49 | $246,317 | View SEC filing | |
| 2023-05-08 | Masters J Kent Chairman & CEO | Purchase | +5,470 | +11.89%51,466 | $181.64 | $993,571 | View SEC filing | |
| 2023-05-08 | Coleman Kristin M. EVP, General Counsel | Purchase | +1,373 | +100.00%1,373 | $182.00 | $249,886 | View SEC filing | |
| 2023-03-06 | Tozier Scott EVP & CFO | Sale | -5,700 | -7.58%69,503 | $251.40 | $1,432,980 | View SEC filing | |
| 2023-03-02 | Tozier Scott EVP & CFO | Sale | -417 | -0.55%75,203 | $255.49 | $106,539 | View SEC filing | |
| 2023-01-06 | Tozier Scott EVP & CFO | Sale | -1,719 | -2.64%63,384 | $220.00 | $378,180 | View SEC filing | |
| 2022-12-01 | NARWOLD KAREN G EVP, Chief Admin Officer | Sale | -2,250 | -26.45%6,257 | $280.25 | $630,563 | View SEC filing | |
| 2022-11-14 | NARWOLD KAREN G EVP, Chief Admin Officer | Sale | -9,072 | -51.61%8,507 | $322.26 | $2,923,543 | View SEC filing | |
| 2022-11-09 | Norris Eric President, Lithium | Sale | -2,390 | -13.31%15,564 | $307.80 | $735,642 | View SEC filing | |
| 2022-11-01 | NARWOLD KAREN G EVP, Chief Admin Officer | Sale | -2,250 | -16.43%11,444 | $285.66 | $642,735 | View SEC filing | |
| 2022-10-03 | NARWOLD KAREN G EVP, Chief Admin Officer | Sale | -2,250 | -14.11%13,694 | $270.75 | $609,188 | View SEC filing | |
| 2022-09-07 | Crawford Raphael Goszcz President, Catalysts | Sale | -17,968 | -69.34%7,946 | $269.67 | $4,845,374 | View SEC filing | |
| 2022-09-06 | NARWOLD KAREN G EVP, Chief Admin Officer | Sale | -2,250 | -12.37%15,944 | $268.99 | $605,228 | View SEC filing | |
| 2022-09-01 | Crawford Raphael Goszcz President, Catalysts | Sale | -17,968 | -69.34%7,946 | $230.17 | $4,135,624 | View SEC filing |
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