
MP Materials Corp. / DE
NYSE · Metal Mining
Company Overview
A concise company profile alongside the latest public filing activity.
MP Materials owns and operates the Mountain Pass mine and processing facility in California, producing rare earth concentrate and refined rare earth materials used in magnets for electric motors, electronics, and other industrial applications. The company is also building domestic separation and magnet manufacturing capacity to supply rare earth products to U.S. customers.
Company profile sourced from SEC filings.
Corporate Insider Trades
Open-market purchases and sales by directors, officers, and other company insiders.
| Insider | Type | Value | Shares / Price | Date |
|---|---|---|---|---|
| WEISENBURGER RANDALL JDirector | Buy | $1.98M | 55,000at $36.00 | Nov 10, 2026 |
| Corbett RyanChief Financial Officer | Buy | $99K | 2,700at $36.84 | Nov 10, 2026 |
| Corbett RyanChief Financial Officer | Buy | $99K | 2,776at $35.68 | Nov 10, 2026 |
| Rosenthal Michael StuartChief Operating Officer | Buy | $617K | 17,000at $36.27 | Nov 10, 2026 |
| Rosenthal Michael StuartChief Operating Officer | Buy | $372K | 10,000at $37.20 | Nov 10, 2026 |
| Rosenthal Michael StuartChief Operating Officer | Buy | $187K | 5,000at $37.30 | Nov 11, 2026 |
Source: SEC EDGAR Form 4 filings
Congressional Trades
Recent disclosures by members of the U.S. House and Senate.
Source: Senate eFD and House Clerk STOCK Act disclosures
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For informational purposes only, not investment advice. Filings can be delayed, corrected, or amended. Trading activity alone does not predict future performance.