Every Form 4 that Mp Materials Corporation (MP) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow MP and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full MP filings page.
MP Materials director Connie K. Duckworth reported an acquisition of 624 deferred stock units (DSUs) of common stock on June 30, 2026. The award reflects her election to defer cash retainers into stock-based compensation and carries no cash purchase price.
Each DSU is fully vested at grant and represents the right to receive one MP Materials common share. The DSUs will be settled in stock upon the earlier of a specified June 15 settlement date tied to when retainers are earned, certain changes in control of the company, or Duckworth’s separation from service. Following this grant, she directly holds 41,774 shares and DSUs in total.
MP Materials director Connie K. Duckworth exercised previously granted equity awards to receive common shares. On June 15, 2026, 3,998 restricted stock units converted into 3,998 shares of common stock on a one-for-one basis. These RSUs were originally granted on November 17, 2020, vested on June 1, 2021, and delivery of the shares was deferred until June 15, 2026. Following this deferred settlement, Duckworth directly holds 41,150 shares of MP Materials common stock. The filing reflects an exercise and settlement of compensation awards, not an open-market purchase or sale.
MP Materials director Randall J. Weisenburger acquired 3,998 shares of common stock through the settlement of previously granted restricted stock units. These units were granted on November 17, 2020, vested on June 1, 2021, and delivery of the shares was deferred until June 15, 2026. After this equity award settled, he directly holds 150,899 shares of MP Materials common stock, and no shares were sold in this transaction.
MP Materials director Maryanne Lavan converted previously granted restricted stock units into 3,998 shares of common stock. These RSUs were granted on November 17, 2020, vested on June 1, 2021, and delivery of the shares was deferred until June 15, 2026.
After this derivative exercise, she holds 23,753 shares of MP Materials common stock directly. This is a compensation-related equity delivery rather than an open-market purchase or sale.
MP Materials Corp. director Richard B. Myers exercised previously granted restricted stock units and received common shares. On June 15, 2026, 3,998 restricted stock units converted into 3,998 shares of common stock on a one-for-one basis, increasing his direct holdings to 7,792 shares.
The RSUs were originally granted on November 17, 2020, vested on June 1, 2021, and delivery of the underlying shares was deferred until June 15, 2026. This filing reflects a compensation-related share delivery, with no open-market buying or selling reported.
WEISENBURGER RANDALL J reported acquisition or exercise transactions in this Form 4 filing.
MP Materials Corp. director Randall J. Weisenburger received a grant of 3,038 restricted stock units, each tied to one share of common stock. This is a compensation award, not an open‑market purchase or sale.
The RSUs vest on the earlier of June 15, 2027 or the next annual stockholder meeting, as long as he continues serving as a director through that date. Settlement into shares occurs on the earlier of June 15 following the fifth anniversary of vesting, a qualifying change in control event, or his separation from service. The RSUs fully vest if there is a change in control of MP Materials or if his board service ends due to death or disability.
MYERS RICHARD B reported acquisition or exercise transactions in this Form 4 filing.
MP Materials Corp. director Richard B. Myers received a grant of 3,038 restricted stock units (RSUs), each representing one share of common stock. This award increases his directly held RSUs to 3,038.
The RSUs vest on the earlier of June 15, 2027 or the company’s next annual stockholder meeting, subject to his continued board service. Once vested, the units are generally settled in shares on the earlier of June 15 following the fifth anniversary of vesting, a qualifying change in control event, or his separation from service, and they fully vest upon a change in control or termination of service due to death or disability.
Lavan Maryanne reported acquisition or exercise transactions in this Form 4 filing.
MP Materials Corp. director Maryanne Lavan received a grant of 3,038 restricted stock units, each representing one share of Class A common stock. The units were awarded at no cost as equity compensation and bring her directly held RSU balance to 3,038.
These RSUs vest on the earlier of June 15, 2027 or the next annual stockholder meeting, if she continues serving as a director through that date. Once vested, they are settled in shares upon the earlier of a June 15 date following the fifth anniversary of vesting, a qualifying change in control event, or her separation from service, with full vesting upon a change in control or termination due to death or disability.
McKnight Andrew A. reported acquisition or exercise transactions in this Form 4 filing.
MP Materials Corp. director Andrew A. McKnight received a grant of 3,038 restricted stock units on June 9, 2026. Each RSU represents a right to receive one share of MP Materials Class A common stock.
The RSUs vest on the earlier of June 15, 2027 or the company’s next annual stockholder meeting, as long as McKnight continues serving as a director through that date. After vesting, the award is settled upon the earlier of June 15 following the fifth anniversary of vesting, a qualifying change in control event, or his separation from service, with full vesting upon a change in control or termination due to death or disability.
DONALD ARNOLD W reported acquisition or exercise transactions in this Form 4 filing.
MP Materials Corp. director Donald Arnold reported a grant of 3,038 restricted stock units (RSUs) tied to the company’s common stock. This is a compensation-related award, not an open-market share purchase or sale.
Each RSU represents the right to receive one share of common stock in the future. The RSUs vest on the earlier of June 15, 2027 or the next annual stockholder meeting, if he remains in service through that date. They are then settled upon the earlier of June 15 following the fifth anniversary of vesting, a qualifying change in control event, or the director’s separation from service. The RSUs fully vest earlier if there is a change in control of MP Materials or if his service ends due to death or disability. After this grant, he holds 3,038 RSUs directly.
DUCKWORTH CONNIE K reported acquisition or exercise transactions in this Form 4 filing.
MP Materials director Connie K. Duckworth received a grant of 3,038 restricted stock units, each representing one share of Class A common stock. The RSUs vest on the earlier of June 15, 2027 or the next annual stockholder meeting, and fully accelerate upon certain change in control, death, or disability events.
MP Materials Corp. Chief Operating Officer Michael Stuart Rosenthal reported an insider purchase of Common Stock through the Rosenthal Family Trust. The trust bought 10,000 shares in an open-market transaction at $54.30 per share, and held 136,622 shares indirectly afterward. A separate filing line shows Rosenthal directly owning 1,333,673 shares of Common Stock following the reported date.
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 11,620,798 shares, and Litinsky also holds 216,397 shares directly.
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.
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 Materials Corp. General Counsel and Secretary Elliot Dean Hoops reported an open-market sale of company stock. On the reported date, he sold 6,958 shares of MP common stock at $75.00 per share in an open-market transaction. After this sale, he directly held 54,095 shares of common stock. The filing also notes an additional 1,000 shares of common stock held indirectly through his spouse. According to a footnote, the sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted by the reporting person.
MP Materials Corp. Chief Financial Officer Ryan Corbett reported an open-market sale of 20,000 shares of common stock at a weighted average price of about $75 per share. After the transaction, he directly owns 109,017 shares.
The sale on May 8, 2026 was executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 16, 2025. The filing notes that individual trades were completed at prices between $75.00 and $75.09, and detailed price breakdowns are available on request.
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.
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. 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 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.
MP Materials Corp. Chief Accounting Officer reports tax-related share withholding. On January 22, 2026, 1,198 shares of common stock were withheld at a price of $68.37 per share to cover tax obligations arising from the vesting of restricted stock units on the same date. After this withholding, the officer beneficially owned 49,246 shares of MP Materials common stock directly.
MP Materials Corp. reported that its General Counsel and Secretary, Elliot D. Hoops, had restricted stock units vest and related tax share withholdings in mid-January 2026. On January 12, 2026, he acquired 8,722 shares of common stock from time-based RSUs and 22,942 shares from performance-based RSUs at no cost, following the completion of a performance period and certification of pre-set performance conditions.
To cover tax obligations from these vestings, the company withheld shares on several dates, including 9,028 and 4,526 shares on January 12, 3,769 shares on January 13, and 1,300 shares on January 14 at stated market prices. After these transactions, Hoops directly beneficially owned 82,790 shares of MP Materials common stock and indirectly held an additional 1,000 shares through his spouse.
MP Materials Corp. Chief Accounting Officer David Gregory Infuso reported several equity transactions involving company common stock. On January 12, 2026, he acquired 3,894 shares tied to restricted stock units that vest in four annual installments beginning on the first anniversary of the grant date, and an additional 1,301 shares from restricted stock units that vested on the date of grant, both at a reported price of $0 per share.
To cover tax withholding on these vestings, the report shows shares withheld: 581 shares at $65.34 on January 12, 1,820 shares at $63.82 on January 13, and 444 shares at $69.30 on January 14, 2026. After these transactions, Infuso directly beneficially owns 50,444 shares of MP Materials common stock.
MP Materials Corp. Chief Financial Officer Ryan Corbett filed a Form 4 reporting stock activity tied to restricted stock units (RSUs). On January 12, 2026, he acquired 16,573 common shares from time-based RSUs and 30,590 common shares from performance-based RSUs at $0 per share as the awards vested. The performance-based units were granted in 2023 and vest after a three-year period based on relative total shareholder return versus the S&P 400 Index and S&P 400 Materials Index.
On January 12, 13, and 14, 2026, Corbett had a total of 28,812 shares withheld at prices between $63.82 and $69.3 per share to cover tax obligations on these vestings, reported under transaction code “F.” After these transactions, he directly held 175,017 shares of MP Materials common stock.
MP Materials Corp. reported insider equity transactions by Chief Operating Officer Michael Rosenthal. On January 12, 2026, he acquired 18,318 shares of common stock for $0 per share from time-based restricted stock units that vest in four annual installments, and 33,648 shares from a performance-based restricted stock unit award tied to relative total shareholder return over the 01/01/2023–12/31/2025 period.
To cover tax withholding on these vestings, the company withheld 10,619 shares on January 12, 2026 at $65.34 per share and 9,083 shares on January 13, 2026 at $63.82 per share, both reported with transaction code “F.” After these transactions, Rosenthal directly held 1,316,673 shares of MP Materials common stock, and an additional 126,622 shares were reported as indirectly owned through the Rosenthal Family Trust.
MP Materials Corp. Chairman and CEO James H. Litinsky reported several equity transactions in the issuer’s common stock. On January 12, 2026, he received 65,422 restricted stock units that vest in four annual installments starting one year after the grant. That same day, 38,238 shares were delivered upon vesting of a performance-based restricted stock unit award that covered the period from January 1, 2023 through December 31, 2025.
Also on January 12, 2026, 38,238 shares and 26,316 shares were withheld to cover tax obligations tied to these vestings, and on January 13, 2026, a further 35,053 shares were withheld for taxes on additional restricted stock unit vesting. After these transactions, Litinsky directly owned 216,397 shares of common stock and indirectly held 12,805,965 shares through the James Henry Litinsky Revocable Trust u/a/d 10/19/2011, where he serves as sole trustee.
MP Materials Corp. insider activity: Chairman and CEO James H. Litinsky reported planned stock sales executed in early January 2026. On January 7, 2026, a revocable trust for which he serves as trustee sold 27,400 shares of MP common stock at a weighted average price of $64.01. On January 8, 2026, the same trust sold 272,600 shares at a weighted average price of $64.17, all under a Rule 10b5-1 trading plan adopted on September 16, 2025.
After these indirect sales, the trust is shown as beneficially owning 12,805,965 MP shares. Separately, Litinsky is listed as directly holding 212,344 common shares.
MP Materials Corp. director Connie K. Duckworth reported receiving 593 deferred stock units (DSUs) of common stock on 12/31/2025. The DSUs were acquired at a price of $0 in connection with her election to defer cash retainers, meaning she chose to take part of her director compensation in DSUs instead of cash. After this grant, she beneficially owns 36,427 shares of MP Materials common stock in direct form.
Each DSU represents the right to receive one share of MP Materials common stock and is fully vested on the grant date. The DSUs will be settled in shares upon the earlier of several events: a specified June 15 date after a five-year deferral period tied to when the retainers are earned, certain changes in control of the company, or Duckworth’s separation from service.
MP Materials Corp. director Maryanne Lavan reported a routine equity compensation transaction. On 12/31/2025 she acquired 556 shares of common stock in the form of deferred stock units (DSUs) at a price of $0, increasing her beneficial ownership to 19,755 shares held directly.
The DSUs were granted because she elected to defer her cash retainers into stock-based compensation. Each DSU represents the right to receive one share of MP Materials common stock and is fully vested at the time of grant. These units will be settled in shares upon the earlier of three events: a specified June 15 following the close of the fifth calendar year after the year in which the retainers are earned, certain changes in control of the company, or her separation from service.
MP Materials Corp. insider James H. Litinsky reported several sales of company stock. On December 5, 2025, Litinsky, acting as chairman and CEO and through the James Henry Litinsky Revocable Trust, sold 275,561 shares of MP Materials common stock at a weighted average price of $62.79 per share, 34,801 shares at $63.11 per share, and 74,638 shares at $63.42 per share.
Following these transactions, the trust beneficially owned 13,105,965 MP Materials shares, reported as indirectly held. Litinsky also reported direct ownership of 212,344 shares of common stock. The filing notes that each weighted average price reflects multiple individual trades within disclosed price ranges, and Litinsky has agreed to provide detailed trade information to the company, its security holders, or SEC staff upon request.
MP Materials Corp. (MP) reported insider transactions by Chairman and CEO James H. Litinsky, who is also a director. On November 18, 2025, 78,700 shares of common stock were withheld at $58.51 per share to cover taxes on the vesting of 200,000 restricted stock units. Following this, he directly held 333,644 common shares.
On November 20, 2025, Litinsky’s revocable trust sold 207,691 shares of common stock at a weighted average price of $63.72 per share, and an additional 40,720 shares at a weighted average price of $64.60 per share. After these sales, the trust beneficially owned 13,369,665 MP Materials common shares, reported as indirect ownership.
MP Materials Corp. (MP) chief financial officer transaction disclosed. A Form 4 reports that the company’s CFO sold 20,000 shares of common stock on 11/17/2025, at a weighted average price of $57.72, in multiple trades within a price range of $57.31 to $58.31. After these sales, the reporting person directly beneficially owns 194,812 shares of MP Materials common stock.
The filing states that the sales were made under a Rule 10b5-1 trading plan that the reporting person adopted on August 11, 2025, which is designed to allow pre-arranged trading of shares under specified conditions.
MP Materials (MP) reported an insider equity award on Form 4. Chief Accounting Officer David Gregory Infuso acquired 3,427 restricted stock units (RSUs) on 10/13/2025 at $0 under code A. Following the grant, he beneficially owns 48,094 shares directly.
The RSUs vest in four annual installments beginning on the first anniversary of the grant date, with each unit delivering one share of common stock upon vesting.
Connie K. Duckworth, a director of MP Materials Corp. (MP), was awarded 447 deferred stock units (DSUs) on 09/30/2025, increasing her beneficial ownership to 35,834 shares. Each DSU represents a right to receive one share of the company's common stock, are fully vested on grant, and will be settled upon the earlier of: the June 15 following the close of the fifth calendar year after the year the retainers are earned, certain change-in-control events, or the reporting person's separation from service. The DSUs were granted in connection with an election to defer cash retainers and were recorded at a transaction price of $0.
Maryanne Lavan, a director of MP Materials Corp. (MP), acquired 419 deferred stock units (DSUs) on 09/30/2025 as reported on Form 4. The filing shows the DSUs were granted at a price of $0 and are fully vested on grant. After the award, the reporting person beneficially owns 19,199 shares of MP common stock. The DSUs each represent a right to one share and will be settled upon the earlier of: (i) June 15 following the fifth calendar year after the year the cash retainers are earned, (ii) certain changes in control, or (iii) the reporting person's separation from service. The Form 4 was signed by an attorney-in-fact on behalf of Ms. Lavan.