Welcome to our dedicated page for Mp Materials Corporation SEC filings (Ticker: MP), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
MP Materials Corp. filings document the regulatory record for an integrated rare earth producer with Materials and Magnetics operations. Reports and exhibits cover operating results, NdPr oxide and REO production, price protection agreement income, segment performance, and magnet manufacturing activities at Independence and the 10X magnetics facility.
The filing record also includes proxy disclosures on governance and executive compensation; 8-K disclosures for material agreements, strategic partnerships and other events; credit facility terms; resale registration materials tied to preferred stock and warrants; and NYSE-listed common stock information. These documents describe capital structure, financing arrangements, equity awards and risk-related disclosures for MP's rare earth supply chain business.
MP Materials Chairman and CEO James H. Litinsky reported open-market sales of 185,167 shares of common stock on June 3, 2026, carried out through the James Henry Litinsky Revocable Trust.
The Form 4 shows 136,141 shares sold at $68.65, 37,286 shares at $70.23, and 11,740 shares at $71.31, with prices described as weighted averages across multiple trades between $68.27 and $71.81. Following these sales, the trust holds 11,794,225 shares, and Litinsky also holds 216,397 shares directly.
James Henry Litinsky Revocable Trust filed a Form 144 reporting proposed sales of 250,000 shares of Common Stock. The filing lists multiple recent dispositions by the trust with specific sale dates, share counts, and gross proceeds, and shows an outstanding share figure reported with a 06/03/2026 time anchor.
MP Materials Corp. Chairman and CEO James H. Litinsky reported a series of open-market sales of MP common stock executed through his revocable trust over May 27–29, 2026. The Form 4 shows an aggregate of 400,000 shares sold in multiple tranches at prices in the mid‑$60 range.
All sale transactions were reported as indirect ownership, held by James Henry Litinsky as trustee of his revocable trust. After these sales, the filing shows 11,805,965 shares of MP common stock indirectly owned by the trust, and a separate direct holding entry of 216,397 shares as of May 27, 2026, indicating Litinsky retains a substantial equity stake in the company.
James Henry Litinsky Revocable Trust reported proposed sales of Common stock in a Form 144 notice relating to shares tied to Founder Stock. The filing lists multiple dispositions in April–May 2026, including specific trade dates and share counts.
The excerpt includes examples of recent sales by the trust, including 234,651 shares on 05/28/2026 and 115,349 shares on 05/27/2026.
James Henry Litinsky Revocable Trust submitted a Form 144 notice indicating a proposed sale of 200,000 shares of Common Stock. The filing lists multiple recent dispositions by the same trust, including 115,349 shares on 05/27/2026 and 177,188 shares on 05/13/2026.
MP filed a Form 144 notice reporting 150,000 shares of Common Stock (listed as Founder Stock) to be sold, with the filing dated 05/27/2026. The excerpt also lists prior sales by the James Henry Litinsky Revocable Trust totaling several transactions in April–May 2026.
MP Materials Corp. Chief Operating Officer Michael Stuart Rosenthal reported an open-market purchase of 17,000 shares of common stock on May 20, 2026 at 56.62 per share. After this transaction, he directly holds 1,333,673 shares and has an additional 126,622 shares held indirectly through the Rosenthal Family Trust.
MP Materials Chairman and CEO James H. Litinsky reported open-market sales of a total of 300,000 shares of Common Stock through a revocable trust he controls. The sales occurred on May 12–13 at weighted average prices ranging from about $64 to $67 per share.
After these transactions, the trust holds 12,205,965 MP shares indirectly, while Litinsky also holds 216,397 shares directly. The filing describes the sale prices as weighted averages across multiple individual trades within the stated price ranges.
MP filing reports a proposed sale of 150,000 shares of Common (listed as "Founder Stock") in a Form 144 submission. The filing also discloses recent trust dispositions: 122,812 shares on 05/12/2026, 259,179 shares on 04/20/2026, and 40,821 shares on 04/17/2026.
The broker listed is Morgan Stanley Smith Barney LLC Executive Financial Services. Cash figures appear alongside each trade in the excerpt but the filing excerpt does not state alternative proceeds treatment or further qualifiers in the provided text.
James Henry Litinsky Rev Trust filed a Form 144 reporting an intended sale of 150,000 shares of Common stock of the issuer. The filing also discloses recent dispositions: 259,179 shares sold on 04/20/2026 for $16,588,149.58 and 40,821 shares sold on 04/17/2026 for $2,613,459.75.