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| Date | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| 2025-10-24 | Krupa Ander C. | General Counsel & Sec | Sell | 172 | $105.00 | $18,060.00 | -1.5% | → |
| 2025-10-09 | Krupa Ander C. | General Counsel & Sec | Sell | 116 | $95.00 | $11,020.00 | -1.0% | → |
| 2024-12-05 | Masters J Kent | Chairman & CEO | Sell | 2,525 | $101.12 | $255,328.00 | -3.3% | → |
| 2024-11-19 | Johnson Netha N. | Chief Operations Officer | Sell | 1,060 | $106.04 | $112,402.51 | -3.4% | → |
| 2024-05-14 | Mummert Mark Richard | SVP, Capital Projects | Sell | 843 | $135.53 | $114,250.10 | -11.0% | → |
| 2024-05-13 | Barichivich John Clarence III | VP, Controller & CAO | Sell | 1,475 | $132.17 | $194,950.75 | -23.7% | → |
| 2023-11-07 | Coleman Kristin M. | EVP, General Counsel | Buy | 1,373 | $121.86 | $167,313.78 | +100.0% | → |
| 2023-05-10 | Norris Eric | President, Energy Storage | Buy | 1,260 | $195.49 | $246,317.40 | +5.0% | → |
| 2023-05-05 | Coleman Kristin M. | EVP, General Counsel | Buy | 1,373 | $182.00 | $249,886.00 | New | → |
| 2023-05-05 | Masters J Kent | Chairman & CEO | Buy | 5,470 | $181.64 | $993,570.80 | +11.9% | → |
| 2023-03-03 | Tozier Scott | EVP & CFO | Sell | 5,700 | $251.40 | $1,432,980.00 | -7.6% | → |
| 2023-03-01 | Tozier Scott | EVP & CFO | Sale+OE | 417 | $255.49 | $106,539.33 | -0.6% | → |
| 2023-01-06 | Tozier Scott | EVP & CFO | Sell | 1,719 | $220.00 | $378,180.00 | -2.6% | → |
| 2022-12-01 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sell | 2,250 | $280.25 | $630,562.50 | -26.4% | → |
| 2022-11-11 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sale+OE | 9,072 | $322.26 | $2,923,542.72 | -51.6% | → |
| 2022-11-08 | Norris Eric | President, Lithium | Sell | 2,390 | $307.80 | $735,642.00 | -13.3% | → |
| 2022-11-01 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sell | 2,250 | $285.66 | $642,735.00 | -16.4% | → |
| 2022-10-03 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sell | 2,250 | $270.75 | $609,187.50 | -14.1% | → |
| 2022-09-06 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sell | 2,250 | $268.99 | $605,227.50 | -12.4% | → |
| 2022-08-31 | Crawford Raphael Goszcz | President, Catalysts | Sale+OE | 17,968 | $230.17 | $4,135,624.05 | -22.9% | → |
| 2022-02-18 | Masters J Kent | Chairman, President & CEO | Buy | 5,241 | $190.80 | $999,982.80 | +49.3% | → |
| 2022-02-18 | Johnson Netha N. | President, Bromine Specialties | Buy | 1,060 | $187.81 | $199,073.86 | +8.3% | → |
| 2022-01-05 | Tozier Scott | EVP & CFO | Sell | 1,527 | $239.94 | $366,388.38 | -2.6% | → |
| 2022-01-05 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sell | 2,308 | $239.94 | $553,781.52 | -14.0% | → |
| 2021-12-08 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sell | 1,337 | $261.00 | $348,957.00 | -10.1% | → |
| 2021-11-12 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sell | 3,675 | $270.94 | $995,692.95 | -12.1% | → |
| 2021-11-12 | Barichivich John Clarence III | VP, Controller & CAO | Sell | 540 | $271.15 | $146,421.00 | -25.6% | → |
| 2021-11-08 | Tozier Scott | EVP & CFO | Sale+OE | 36,330 | $276.47 | $10,044,277.71 | -7.5% | → |
| 2021-11-08 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sell | 1,337 | $275.80 | $368,744.60 | -7.3% | → |
| 2021-10-08 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sell | 1,337 | $221.98 | $296,787.26 | -6.8% | → |
| 2021-09-08 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sell | 1,337 | $243.75 | $325,893.75 | -6.4% | → |
| 2021-08-13 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sell | 8,811 | $235.09 | $2,071,349.78 | -10.8% | → |
| 2021-08-13 | Norris Eric | President, Lithium | Sale+OE | 4,017 | $237.26 | $953,073.42 | -23.9% | → |
| 2021-08-10 | Crawford Raphael Goszcz | President, Catalysts | Sale+OE | 9,521 | $240.41 | $2,288,899.76 | -16.2% | → |
| 2021-08-09 | NARWOLD KAREN G | EVP, Chief Admin Officer | Sell | 6,035 | $218.43 | $1,318,220.06 | -9.0% | → |