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. has a planned sale notice under SEC Rule 144 for 7,823 shares of common stock, with an aggregate market value of $533,569.28. The shares are to be sold through Merrill on the NYSE, with an approximate sale date of 01/20/2026. MP Materials had 177,230,483 shares of common stock outstanding at the time stated.
The securities to be sold come from restricted stock that vested on 01/12/2026 and 01/13/2026, in amounts of 3,942 and 3,881 common shares, respectively, acquired from MP Materials Corp. The person for whose account the securities are to be sold represents that they do not know of any undisclosed material adverse information about the issuer’s current or prospective operations.
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. insider James H. Litinsky reports beneficial ownership of 13,022,362 shares of Class A common stock, or about 7.3% of the shares outstanding as of October 31, 2025. Most of this stake, 12,805,965 shares, is held through the James Henry Litinsky Revocable Trust, with additional ownership from restricted stock units and 3,767 shares held directly. Litinsky is the company’s Chief Executive Officer and Chairman.
The filing details recent activity, including open-market sales totaling 933,411 shares in November 2025, December 2025, and early January 2026 at weighted average prices around the mid-$60s, some of which were made under a pre-established Rule 10b5-1 trading plan. It also describes RSU grants and vesting events, along with shares withheld to cover tax obligations tied to those vestings.
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 (symbol MP) reported a planned secondary sale of common stock by a trust account holder. A Form 144 notice states that 272,600 common shares are to be sold through Morgan Stanley Smith Barney LLC on the NYSE, with an aggregate market value of $17,037,500.00 and 177,230,483 shares outstanding. The shares are described as founder shares acquired from the issuer on 11/17/2020, in the same amount as now being sold.
Over the past three months, the JAMES HENRY LITINSKY REVOCABLE TRUST U/A DTD 10/19/2011 has reported additional common stock sales, including 27,400 shares on 01/07/2026, 385,000 shares on 12/05/2025, and 248,411 shares on 11/20/2025, with stated gross proceeds for each transaction. The signer represents that they do not know of any undisclosed material adverse information about the issuer’s operations.