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 Corp. Chairman and CEO James H. Litinsky reported open-market sales of common stock through his revocable trust under a pre-arranged Rule 10b5-1 trading plan adopted on September 16, 2025. The trust sold 259,179 shares on April 20, 2026 at a weighted average price of about $64.03 per share and 40,821 shares on April 17, 2026 at about $64.05 per share, in multiple trades within disclosed price ranges around $64.00 per share. After these transactions, indirect holdings through the trust were 12,505,965 shares, and direct holdings were 216,397 shares of common stock.
James Henry Litinsky Revocable Trust reported a sale of 40,821 shares of Common stock under a 10b5-1 plan on 04/17/2026, producing proceeds of $2,614,744.25. Morgan Stanley Smith Barney LLC is listed as the broker/executing firm.
MP Materials Chief Accounting Officer David Gregory Infuso reported a routine tax-related share disposition. On April 1, 2026, 804 shares of common stock were withheld at $48.41 per share to satisfy tax obligations on vested restricted stock units. Following this withholding, he directly owns 48,442 shares of MP Materials common stock. This was not an open-market sale but an automatic share withholding for taxes tied to equity compensation.
DUCKWORTH CONNIE K reported acquisition or exercise transactions in this Form 4 filing.
MP Materials Corp. director Connie K. Duckworth received an award of 725 deferred stock units (DSUs) of common stock as compensation, with no cash paid per share. Following this grant, she directly holds 37,152 shares and DSUs in total.
The DSUs are fully vested on grant and each unit represents the right to receive one share of MP Materials common stock. Settlement will occur upon the earlier of a specified June 15 date tied to the year the retainers are earned, certain change-in-control events, or Duckworth’s separation from service.
MP Materials Corp Schedule 13G/A Amendment No. 2 shows The Vanguard Group reporting 0 shares beneficially owned and 0% of the class after an internal realignment. The filing states certain Vanguard subsidiaries now report separately in reliance on SEC Release No. 34-39538 (January 12, 1998).
The form lists 0 sole and shared voting and dispositive powers and cites the Vanguard internal realignment. The filing is signed by Ashley Grim, Head of Global Fund Administration, dated 03/27/2026.
MP Materials Corp. General Counsel and Secretary Elliot Dean Hoops sold 13,914 shares of Common Stock in an open-market transaction. The shares were sold on March 16, 2026 at a weighted average price of $60.01 per share, with individual trades ranging from $60.00 to $60.10.
The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on November 20, 2025. After this sale, Hoops directly holds 61,053 shares of MP Materials common stock, and an additional 1,000 shares are held indirectly by his spouse.
MP Materials Corp. Chief Financial Officer Ryan Corbett reported an open-market sale of 46,000 shares of common stock at a weighted average price of $60.00 per share. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 16, 2025. After this transaction, Corbett directly holds 129,017 shares of MP Materials common stock.
MP affiliate submitted a Form 144 proposing the sale of 46,000 shares of common stock for an aggregate of $2,760,055.00 through RBC Capital Markets LLC. The filing lists 177,230,483 shares outstanding as of 03/17/2026.
The notice shows recently vested RSU lots dated 01/01/2026 (19,272 shares), 01/14/2026 (11,010), 01/13/2026 (9,521), and 01/12/2026 (6,197), which are listed under the securities to be sold.
MP Materials Corp Form 144 notice documents holdings related to a recent insider sale and a performance‑unit vesting. The filing shows a Performance Unit Vest on 01/12/2026 for 13,914 units. It reports Elliot Hoops sold 7,823 shares on 01/20/2026 for $533,569.28.