Michael Stuart Rosenthal, Chief Operating Officer of MP Materials Corp. ($MP), sold shares on the open market three times in the last 365 days for a total of $10.8 million. His most recent sale occurred on August 29, 2025. These MP Materials insider sales rank 1,062nd among 11,678 individual insiders, compared to an average sale amount of $8.6 million across 6.4 transactions. Rosenthal made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 12, 2026 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | A | Common Stock | 33648 | $0.00 | 1,462,997.0000 | 175,034,287 | 2.35% | 0.02% |
| Jan. 13, 2026 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | F | Common Stock | 9083 | $63.82 | 1,443,295.0000 | 175,034,287 | 0.63% | 0.01% |
| Jan. 12, 2026 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | F | Common Stock | 10619 | $65.34 | 1,452,378.0000 | 175,034,287 | 0.73% | 0.01% |
| Jan. 12, 2026 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | A | Common Stock | 18318 | $0.00 | 1,429,349.0000 | 175,034,287 | 1.30% | 0.01% |
| Aug. 29, 2025 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | S | Common Stock | 52063 | $72.56 | 1,425,094.0000 | 169,882,640 | 3.52% | 0.03% |
| Aug. 29, 2025 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | S | Common Stock | 14063 | $73.23 | 1,411,031.0000 | 169,882,640 | 0.99% | 0.01% |
| Aug. 29, 2025 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | S | Common Stock | 83874 | $71.48 | 1,477,157.0000 | 169,882,640 | 5.37% | 0.05% |
| March 16, 2025 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | F | Common Stock | 384 | $26.83 | 1,561,031.0000 | 169,882,640 | 0.02% | 0.00% |
| Jan. 12, 2025 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | F | Common Stock | 10601 | $19.75 | 1,516,612.0000 | 169,882,640 | 0.69% | 0.01% |
| Jan. 13, 2025 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | A | Common Stock | 47363 | $0.00 | 1,561,415.0000 | 169,882,640 | 3.13% | 0.03% |
| Jan. 13, 2025 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | F | Common Stock | 2560 | $19.53 | 1,514,052.0000 | 169,882,640 | 0.17% | 0.00% |
| Dec. 10, 2024 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | J | Common Stock | 169078 | $0.00 | 1,527,213.0000 | 172,066,214 | 12.45% | 0.10% |
| Nov. 17, 2024 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | F | Common Stock | 171462 | $18.28 | 1,358,135.0000 | 172,066,214 | 11.21% | 0.10% |
| Aug. 6, 2024 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | P | Common Stock | 30000 | $10.84 | 1,529,597.0000 | 178,152,212 | 2.00% | 0.02% |
| Feb. 17, 2024 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | F | Common Stock | 171462 | $16.55 | 1,499,597.0000 | 178,152,212 | 10.26% | 0.10% |
| Jan. 12, 2024 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | A | Common Stock | 77158 | $0.00 | 1,671,059.0000 | 178,152,212 | 4.84% | 0.04% |
| May 26, 2023 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | P | Common Stock | 7000 | $21.63 | 1,582,901.0000 | 193,453,087 | 0.44% | 0.00% |
| May 30, 2023 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | P | Common Stock | 6000 | $21.14 | 1,588,901.0000 | 193,453,087 | 0.38% | 0.00% |
| May 31, 2023 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | P | Common Stock | 5000 | $20.69 | 1,593,901.0000 | 193,453,087 | 0.31% | 0.00% |
| May 25, 2023 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | P | Common Stock | 5000 | $22.22 | 1,506,755.0000 | 193,453,087 | 0.33% | 0.00% |
| May 23, 2023 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | P | Common Stock | 5000 | $22.03 | 1,501,755.0000 | 193,453,087 | 0.33% | 0.00% |
| May 19, 2023 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | P | Common Stock | 10000 | $21.21 | 1,491,755.0000 | 193,453,087 | 0.67% | 0.01% |
| May 22, 2023 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | P | Common Stock | 5000 | $21.78 | 1,496,755.0000 | 193,453,087 | 0.34% | 0.00% |
| May 18, 2023 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | J | Common Stock | 354705 | $0.00 | 1,481,755.0000 | 193,453,087 | 31.47% | 0.18% |
| March 16, 2023 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | F | Common Stock | 345 | $27.62 | 1,127,050.0000 | 193,453,087 | 0.03% | 0.00% |
| Feb. 17, 2023 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | F | Common Stock | 154116 | $32.69 | 1,127,395.0000 | 193,453,087 | 12.03% | 0.08% |
| Jan. 13, 2023 | MP Materials Corp. / DE | $MP | Rosenthal Michael Stuart | Chief Operating Officer | A | Class A Common Stock | 18625 | $0.00 | 1,281,511.0000 | 193,453,087 | 1.47% | 0.01% |