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MP Materials / DE (MP) SEC Filings, Jan-Apr 2026

MP NYSE
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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.

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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.

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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.

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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.

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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.

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Filing
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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.

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MP Materials Corp. describes a rapidly expanding, vertically integrated rare earth business centered on its Mountain Pass mine and Independence magnet facility. The company now operates two segments: Materials, which produces NdPr and other rare earth oxides, and Magnetics, which has begun manufacturing NdFeB permanent magnets.

A transformational public‑private partnership with the U.S. Department of War underpins major growth projects, including expanding the Independence Facility, building a second 10X magnet plant, and adding heavy rare earth refining. The DoW guarantees at least $140 million of EBITDA at the 10X Facility and provides NdPr price floor protection at $110 per kg.

Long‑term supply agreements with General Motors and Apple position MP as a key U.S. supplier of magnets and recycled rare earth feedstock. The company highlights cost advantages, sustainability initiatives, and tight labor retention, but also details extensive regulatory, commodity price, execution, and covenant risks tied to its government partnership and debt.

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MP Materials Corp. reported fourth-quarter and full-year 2025 results highlighting rapid growth in rare earth production and new downstream businesses. Fourth-quarter revenue was $52.7 million, down 14% year-over-year after stopping rare earth concentrate sales to China, but the company generated net income of $9.4 million and Adjusted EBITDA of $39.2 million versus a loss a year ago, helped by $51.0 million of price protection income from a new agreement with the U.S. Department of War.

For 2025, revenue rose 10% to $224.4 million, while net loss widened to $85.9 million and Adjusted EBITDA improved to $11.4 million from a $50.2 million loss. The company produced a record 2,599 metric tons of NdPr oxide, up 101%, and 50,692 metric tons of rare earth oxides in concentrate, up 12%. A new Magnetics segment delivered $66.9 million of magnetic precursor products revenue and positive segment Adjusted EBITDA. MP secured a $200 million incentive package for a new 10X magnetics facility in Texas, entered a “transformational” public‑private partnership with the Department of War, and signed long-term magnet and recycling agreements, including with Apple, while ending the year with $1.83 billion in cash, cash equivalents and short‑term investments.

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Bank of Nova Scotia has disclosed a minority stake in MP Materials Corp. The filing reports beneficial ownership of 6,795,441 shares of MP Materials common stock, representing 3.72% of the outstanding class as of the reporting date of 12/31/2025. The bank reports sole power to vote and dispose of all of these shares, with no shared voting or dispositive power.

The Bank of Nova Scotia is classified in this filing as a parent holding company under Rule 13d-1(b)(1)(ii)(G), and states that it owns 5 percent or less of the class. This Schedule 13G/A is an amended institutional ownership report and does not describe any transaction terms, only the level of beneficial ownership and control rights over the shares.

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MP Materials Corp.'s General Counsel and Secretary, Elliot Dean Hoops, reported a planned stock sale under a pre-arranged Rule 10b5-1 trading plan. On January 20, 2026, he sold 7,823 shares of common stock at a weighted average price of $68.21 per share, with individual trades executed between $68.00 and $68.55. Following the sale, he beneficially owned 74,967 shares directly and an additional 1,000 shares indirectly held by his spouse.

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FAQ

How many MP Materials / DE (MP) SEC filings are available on StockTitan?

StockTitan tracks 99 SEC filings for MP Materials / DE (MP), including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and Form 4 insider trading disclosures. Each filing includes AI-generated summaries, impact scoring, and sentiment analysis.

When was the most recent SEC filing for MP Materials / DE (MP)?

The most recent SEC filing for MP Materials / DE (MP) was filed on April 2, 2026.