MP Insider Activity
View recent SEC Form 4 insider transactions for MP, including purchases, sales, option exercises, and other insider filings.
| Date | Insider | Type | Quantity | Price | Total Value | Shares Owned |
|---|---|---|---|---|---|---|
| Oct 13, 2026 | Infuso David Gregory | Tax Withheld | 338 | $42.43 | $14,341.34 | 48,104 |
| Sep 30, 2026 | DUCKWORTH CONNIE K | Grant | 740 | $0.00 | $0.00 | 42,514 |
| Jun 30, 2026 | DUCKWORTH CONNIE K | Grant | 624 | $0.00 | $0.00 | 41,774 |
| Jun 15, 2026 | DUCKWORTH CONNIE K | Exercise | 3,998 | $0.00 | $0.00 | 41,150 |
| Jun 15, 2026 | Lavan Maryanne | Exercise | 3,998 | $0.00 | $0.00 | 23,753 |
| Jun 15, 2026 | MYERS RICHARD B | Exercise | 3,998 | $0.00 | $0.00 | 7,792 |
| Jun 15, 2026 | WEISENBURGER RANDALL J | Exercise | 3,998 | $0.00 | $0.00 | 150,899 |
| Jun 09, 2026 | Rosenthal Michael Stuart | Purchase | 10,000 | $54.30 | $543,000.00 | 136,622 |
| Jun 03, 2026 | Litinsky James H. | Sale | 11,740 | $71.31 | $837,179.40 | 11,794,225 |
| Jun 03, 2026 | Litinsky James H. | Sale | 37,286 | $70.23 | $2,618,595.78 | 11,756,939 |
| Jun 03, 2026 | Litinsky James H. | Sale | 136,141 | $68.65 | $9,346,079.65 | 11,620,798 |
| May 29, 2026 | Litinsky James H. | Sale | 1,950 | $65.13 | $127,003.50 | 11,854,015 |
| May 29, 2026 | Litinsky James H. | Sale | 48,050 | $64.56 | $3,102,108.00 | 11,805,965 |
| May 28, 2026 | Litinsky James H. | Sale | 6,710 | $68.18 | $457,487.80 | 12,083,906 |
| May 28, 2026 | Litinsky James H. | Sale | 44,117 | $65.65 | $2,896,281.05 | 11,951,079 |
| May 28, 2026 | Litinsky James H. | Sale | 95,114 | $64.67 | $6,151,022.38 | 11,855,965 |
| May 28, 2026 | Litinsky James H. | Sale | 39,445 | $67.78 | $2,673,582.10 | 12,044,461 |
| May 28, 2026 | Litinsky James H. | Sale | 49,265 | $66.52 | $3,277,107.80 | 11,995,196 |
| May 27, 2026 | Litinsky James H. | Sale | 23,113 | $66.06 | $1,526,844.78 | 12,182,852 |
| May 27, 2026 | Litinsky James H. | Sale | 92,236 | $65.20 | $6,013,787.20 | 12,090,616 |
| May 20, 2026 | Rosenthal Michael Stuart | Purchase | 17,000 | $56.62 | $962,540.00 | 1,333,673 |
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