MP Insider Transactions
515 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
MP insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Rosenthal Michael Stuart | Chief Operating Officer | 2026-06-09 | Purchase | 10,000.0 | $54.3 |
| Litinsky James H. | Chairman and CEO | 2026-06-03 | Sale | 136,141.0 | $68.65 |
| Litinsky James H. | Chairman and CEO | 2026-06-03 | Sale | 37,286.0 | $70.23 |
| Litinsky James H. | Chairman and CEO | 2026-06-03 | Sale | 11,740.0 | $71.31 |
| Litinsky James H. | Chairman and CEO | 2026-05-29 | Sale | 48,050.0 | $64.56 |
| Litinsky James H. | Chairman and CEO | 2026-05-29 | Sale | 1,950.0 | $65.13 |
| Litinsky James H. | Chairman and CEO | 2026-05-28 | Sale | 95,114.0 | $64.67 |
| Litinsky James H. | Chairman and CEO | 2026-05-28 | Sale | 44,117.0 | $65.65 |
| Litinsky James H. | Chairman and CEO | 2026-05-28 | Sale | 49,265.0 | $66.52 |
| Litinsky James H. | Chairman and CEO | 2026-05-28 | Sale | 39,445.0 | $67.78 |
| Litinsky James H. | Chairman and CEO | 2026-05-28 | Sale | 6,710.0 | $68.18 |
| Litinsky James H. | Chairman and CEO | 2026-05-27 | Sale | 92,236.0 | $65.2 |
| Litinsky James H. | Chairman and CEO | 2026-05-27 | Sale | 23,113.0 | $66.06 |
| Rosenthal Michael Stuart | Chief Operating Officer | 2026-05-20 | Purchase | 17,000.0 | $56.62 |
| Litinsky James H. | Chairman and CEO | 2026-05-13 | Sale | 83,229.0 | $64.93 |
| Litinsky James H. | Chairman and CEO | 2026-05-13 | Sale | 93,959.0 | $65.31 |
| Litinsky James H. | Chairman and CEO | 2026-05-12 | Sale | 102,968.0 | $65.67 |
| Litinsky James H. | Chairman and CEO | 2026-05-12 | Sale | 19,844.0 | $67.12 |
| Hoops Elliot Dean | General Counsel and Secretary | 2026-05-08 | Sale | 6,958.0 | $75.0 |
| Corbett Ryan | Chief Financial Officer | 2026-05-08 | Sale | 20,000.0 | $75.0 |
| Litinsky James H. | Chairman and CEO | 2026-04-20 | Sale | 259,179.0 | $64.03 |
| Litinsky James H. | Chairman and CEO | 2026-04-17 | Sale | 40,821.0 | $64.05 |
| Corbett Ryan | Chief Financial Officer | 2026-03-17 | Sale | 46,000.0 | $60.0 |
| Hoops Elliot Dean | General Counsel and Secretary | 2026-03-16 | Sale | 13,914.0 | $60.01 |
| Hoops Elliot Dean | General Counsel and Secretary | 2026-01-20 | Sale | 7,823.0 | $68.21 |
| Litinsky James H. | Chairman and CEO | 2026-01-08 | Sale | 272,600.0 | $64.17 |
| Litinsky James H. | Chairman and CEO | 2026-01-07 | Sale | 27,400.0 | $64.01 |
| Corbett Ryan | Chief Financial Officer | 2025-12-09 | Sale | 38,146.0 | $60.0 |
| Litinsky James H. | Chairman and CEO | 2025-12-05 | Sale | 74,638.0 | $63.42 |
| Litinsky James H. | Chairman and CEO | 2025-12-05 | Sale | 34,801.0 | $63.11 |
| Litinsky James H. | Chairman and CEO | 2025-12-05 | Sale | 275,561.0 | $62.79 |
| Litinsky James H. | Chairman and CEO | 2025-11-20 | Sale | 40,720.0 | $64.6 |
| Litinsky James H. | Chairman and CEO | 2025-11-20 | Sale | 207,691.0 | $63.72 |
| Corbett Ryan | Chief Financial Officer | 2025-11-17 | Sale | 20,000.0 | $57.72 |
| Rosenthal Michael Stuart | Chief Operating Officer | 2025-08-29 | Sale | 14,063.0 | $73.23 |
| Rosenthal Michael Stuart | Chief Operating Officer | 2025-08-29 | Sale | 52,063.0 | $72.56 |
| Rosenthal Michael Stuart | Chief Operating Officer | 2025-08-29 | Sale | 83,874.0 | $71.48 |
| Hoops Elliot Dean | General Counsel and Secretary | 2025-08-01 | Sale | 218.0 | $61.62 |
| Hoops Elliot Dean | General Counsel and Secretary | 2025-08-01 | Sale | 700.0 | $60.77 |
| Hoops Elliot Dean | General Counsel and Secretary | 2025-08-01 | Sale | 5,419.0 | $60.22 |
| Hoops Elliot Dean | General Counsel and Secretary | 2025-07-01 | Sale | 2,401.0 | $31.46 |
| Hoops Elliot Dean | General Counsel and Secretary | 2025-07-01 | Sale | 3,937.0 | $32.24 |
| Hoops Elliot Dean | General Counsel and Secretary | 2025-06-26 | Sale | 5,523.0 | $36.37 |
| Hoops Elliot Dean | General Counsel and Secretary | 2025-06-13 | Sale | 5,538.0 | $29.96 |
| Hoops Elliot Dean | General Counsel and Secretary | 2025-06-12 | Sale | 800.0 | $29.95 |
| Litinsky James H. | Chairman and CEO | 2025-04-14 | Sale | 199,180.0 | $27.08 |
| Litinsky James H. | Chairman and CEO | 2025-03-26 | Sale | 18,519.0 | $27.0 |
| Litinsky James H. | Chairman and CEO | 2025-03-25 | Sale | 396,293.0 | $27.03 |
| Litinsky James H. | Chairman and CEO | 2025-03-20 | Sale | 95,621.0 | $27.04 |
| Litinsky James H. | Chairman and CEO | 2025-03-19 | Sale | 161,175.0 | $26.94 |
| Litinsky James H. | Chairman and CEO | 2025-03-18 | Sale | 639,294.0 | $26.71 |
| Litinsky James H. | Chairman and CEO | 2025-03-17 | Sale | 489,918.0 | $26.77 |
| Corbett Ryan | Chief Financial Officer | 2025-03-17 | Sale | 15,000.0 | $27.0 |
| Corbett Ryan | Chief Financial Officer | 2025-03-14 | Sale | 20,805.0 | $26.17 |
| Corbett Ryan | Chief Financial Officer | 2025-03-14 | Sale | 24,195.0 | $25.25 |
| Corbett Ryan | Chief Financial Officer | 2025-03-14 | Sale | 15,000.0 | $25.0 |
| Litinsky James H. | Chairman and CEO | 2025-02-04 | Sale | 386,223.0 | $24.01 |
| Litinsky James H. | Chairman and CEO | 2024-12-03 | Sale | 250,383.0 | $23.81 |
| Litinsky James H. | Chairman and CEO | 2024-12-03 | Sale | 1,328,727.0 | $23.31 |
| Litinsky James H. | Chairman and CEO | 2024-12-02 | Sale | 234,667.0 | $20.68 |
| Corbett Ryan | Chief Financial Officer | 2024-11-29 | Sale | 35,000.0 | $21.5 |
| Litinsky James H. | Chairman and CEO | 2024-11-27 | Sale | 200,000.0 | $20.9 |
| Litinsky James H. | Chairman and CEO | 2024-11-26 | Sale | 300,000.0 | $20.22 |
| Litinsky James H. | Chairman and CEO | 2024-11-18 | Sale | 300,000.0 | $18.45 |
| Corbett Ryan | Chief Financial Officer | 2024-11-18 | Sale | 15,195.0 | $18.3 |
| Hoops Elliot Dean | General Counsel and Secretary | 2024-11-15 | Sale | 30,000.0 | $18.03 |
| Rosenthal Michael Stuart | Chief Operating Officer | 2024-08-06 | Purchase | 30,000.0 | $10.84 |
| Corbett Ryan | Chief Financial Officer | 2024-05-28 | Sale | 50,000.0 | $16.93 |
| McKnight Andrew A. | Director | 2024-05-16 | Sale | 317,750.0 | $18.07 |
| Rosenthal Michael Stuart | Chief Operating Officer | 2023-05-31 | Purchase | 5,000.0 | $20.69 |
| Rosenthal Michael Stuart | Chief Operating Officer | 2023-05-30 | Purchase | 6,000.0 | $21.14 |
| Rosenthal Michael Stuart | Chief Operating Officer | 2023-05-26 | Purchase | 7,000.0 | $21.63 |
| Litinsky James H. | Chairman and CEO | 2023-05-26 | Sale | 62,820.0 | $22.12 |
| Litinsky James H. | Chairman and CEO | 2023-05-26 | Sale | 585,012.0 | $21.65 |
| JHL Capital Group LLC | TenPercentOwner | 2023-05-26 | Sale | 62,820.0 | $22.12 |
| JHL Capital Group Holdings Two LLC | TenPercentOwner | 2023-05-26 | Sale | 62,820.0 | $22.12 |
| JHL Capital Group Holdings One LLC | TenPercentOwner | 2023-05-26 | Sale | 62,820.0 | $22.12 |
| JHL Capital Group L.P. | TenPercentOwner | 2023-05-26 | Sale | 62,820.0 | $22.12 |
| JHL Capital Group Master Fund GP Ltd. | TenPercentOwner | 2023-05-26 | Sale | 62,820.0 | $22.12 |
| JHL Capital Group Master Fund L.P. | TenPercentOwner | 2023-05-26 | Sale | 62,820.0 | $22.12 |
| JHL Capital Group LLC | TenPercentOwner | 2023-05-26 | Sale | 585,012.0 | $21.65 |
| JHL Capital Group Holdings Two LLC | TenPercentOwner | 2023-05-26 | Sale | 585,012.0 | $21.65 |
| JHL Capital Group Holdings One LLC | TenPercentOwner | 2023-05-26 | Sale | 585,012.0 | $21.65 |
| JHL Capital Group L.P. | TenPercentOwner | 2023-05-26 | Sale | 585,012.0 | $21.65 |
| JHL Capital Group Master Fund GP Ltd. | TenPercentOwner | 2023-05-26 | Sale | 585,012.0 | $21.65 |
| JHL Capital Group Master Fund L.P. | TenPercentOwner | 2023-05-26 | Sale | 585,012.0 | $21.65 |
| Rosenthal Michael Stuart | Chief Operating Officer | 2023-05-25 | Purchase | 5,000.0 | $22.22 |
| Rosenthal Michael Stuart | Chief Operating Officer | 2023-05-23 | Purchase | 5,000.0 | $22.03 |
| Rosenthal Michael Stuart | Chief Operating Officer | 2023-05-22 | Purchase | 5,000.0 | $21.78 |
| Rosenthal Michael Stuart | Chief Operating Officer | 2023-05-19 | Purchase | 10,000.0 | $21.21 |
| Gold Daniel Allen | Director | 2022-12-14 | Sale | 22,043.0 | $31.62 |
| Gold Daniel Allen | Director | 2022-12-14 | Sale | 4,455.0 | $31.62 |
| Gold Daniel Allen | Director | 2022-12-14 | Sale | 27,204.0 | $31.62 |
| QVT Financial LP | DirectorOther | 2022-12-14 | Sale | 22,043.0 | $31.62 |
| QVT Financial LP | DirectorOther | 2022-12-14 | Sale | 4,455.0 | $31.62 |
| QVT Financial LP | DirectorOther | 2022-12-14 | Sale | 27,204.0 | $31.62 |
| Gold Daniel Allen | Director | 2022-12-13 | Sale | 20,523.0 | $31.62 |
| Gold Daniel Allen | Director | 2022-12-13 | Sale | 4,148.0 | $31.62 |
| Gold Daniel Allen | Director | 2022-12-13 | Sale | 25,329.0 | $31.62 |
| Gold Daniel Allen | Director | 2022-12-13 | Sale | 20,523.0 | $31.88 |