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On July 19, 2026, USA Rare Earth, Inc. (NASDAQ:USAR) revealed that Barbara Humpton will retire as Chief Executive Officer and director effective October 1, 2026. The board has approved Thrasyvoulos Moraitis, current CEO of Serra Verde Group, to succeed her on or shortly after the closing of the previously announced merger between USAR and Serra Verde. Moraitis brings a wealth of expertise in mining, strategic development, and post-merger integration from his leadership roles at Xstrata and other companies.
Key Points
- NASDAQ ticker: USAR
- Barbara Humpton to retire as CEO and director on October 1, 2026, following vesting of 219,329 restricted stock units and a pro-rated $500,000 annual bonus subject to conditions
- Thrasyvoulos Moraitis named incoming CEO with term through December 31, 2028, contingent on Serra Verde merger closure
- Moraitis’s compensation includes an annual base salary of CHF 822,000, annual bonus potential, $5 million in restricted stock units, and performance-based awards tied to financial and strategic goals
Barbara Humpton’s Retirement and Departure Terms
Barbara Humpton announced her retirement as Chief Executive Officer and board member effective October 1, 2026. The July 19, 2026 filing clarified that her decision was unrelated to any disagreements or concerns about USAR’s operations, policies, or practices.
Under her retirement agreement dated July 19, 2026, Humpton will receive her 219,329 restricted stock units vesting as scheduled on October 1, 2026, along with a pro-rated portion of her 2026 annual bonus amounting to $500,000, contingent on company performance. Both payments require her to execute and not revoke a general release of claims, remain employed through the separation date, and comply with the retirement agreement’s terms.
Strategic CEO Transition Aligned with Serra Verde Merger
USAR’s board appointed Thrasyvoulos Moraitis as the next Chief Executive Officer, effective October 1, 2026, or upon the closing of the business combination with Serra Verde Group, whichever occurs later. Moraitis has served as Serra Verde’s CEO since January 2023, aligning leadership ahead of the merger.
Moraitis’s background includes co-founding X2 Resources and serving on Xstrata’s Executive Committee under CEO Sir Mick Davis. At Xstrata, acquired by Glencore in 2013, he oversaw strategic development, post-acquisition integration, leadership development, external affairs, investor relations, and technology business, participating in about 40 transactions.
Extensive Executive Experience in Mining and Related Sectors
Beginning his career in the early 1980s as an engineer at South African gold mines operated by General Mining Union Corporation (Gencor), Moraitis later became a global partner at Monitor Group, a global advisory and merchant banking firm. His career spans mining operations, strategic business development, and international markets.
Additional roles include Chief Development Officer and Executive Board member at EuroChem Group AG, a global fertilizer company, and Executive Director at Brilliant Planet, a growth-stage firm developing scalable microalgae solutions for food and carbon capture. These positions highlight his experience across mining, chemicals, agriculture, and emerging climate technologies.
CEO Compensation and Incentive Structure
Moraitis’s compensation package, agreed on July 19, 2026, includes an annual base salary of CHF 822,000 through December 31, 2028, paid in Swiss francs. He is eligible for an annual bonus with a target of 100% and a maximum of 200% of base salary. For 2026 until his start date, he will receive a pro-rated bonus of 166% of his Serra Verde base salary.
He will also receive restricted stock units valued at $5 million, granted on or shortly after joining, vesting equally over three years subject to continued employment.
Equity Awards and Vesting Acceleration Provisions
The restricted stock units vest based on continued employment, with acceleration provisions triggered by Separation from Service on or after age 65 or if Moraitis qualifies as a "Good Leaver" under his Serra Verde agreement. No additional equity awards will be granted in 2027 beyond those specified.
This equity structure simplifies compensation administration and clarifies equity allocation for the first two years of his CEO tenure.
Inducement Awards and Performance-Based Compensation
To incentivize Moraitis’s leadership during a critical growth phase, USAR structured an inducement award with two parts: restricted stock units worth $1.5 million vesting over two years, and performance stock units valued at $6.5 million vesting December 31, 2028, contingent on financial, operational, and strategic milestones plus continued employment.
Acceleration of performance units may occur upon Separation from Service on or after age 65, if qualifying as a Good Leaver, or due to death or disability, subject to board confirmation of milestone achievement.
Make-Whole Award to Replace Forfeited Serra Verde Benefits
Moraitis will receive a "make-whole" award of restricted stock units valued at $4 million to compensate for forfeited Serra Verde Good Leaver benefits. This award will be settled in two tranches: 50% upon Separation from Service at or after age 65 or earlier as a Good Leaver, and 50% on the one-year anniversary of Separation.
This arrangement replaces contractual benefits relinquished during his transition and provides a post-employment retention mechanism.
Severance and Employment Terms Reflect Swiss Contractual Framework
Moraitis’s severance provisions reflect his Swiss employment status, entitling him to a prorated bonus and certain medical benefits upon termination but no additional severance beyond a four-month notice period or pay in lieu, per Swiss law.
The CEO Terms supplement an April 19, 2026 letter agreement modifying his Serra Verde employment contract. Both agreements remain effective, subject to CEO Terms modifications. The side letter detailing CEO Terms will be filed with USAR’s Quarterly Report on Form 10-Q for the six months ended June 30, 2026.
Additional Support and Governance Disclosures
USAR will provide Moraitis with reasonable tax planning assistance and reimburse up to $10,000 in legal fees related to negotiating CEO Terms and the side letter, reflecting standard executive recruitment practices.
The filing confirms no familial relationships or special arrangements influenced Moraitis’s appointment, ensuring adherence to corporate governance standards.
USA Rare Earth’s Market Position and Strategic Outlook
Incorporated in Delaware with headquarters in Stillwater, Oklahoma, USA Rare Earth operates in the critical rare earth elements sector, essential for permanent magnets, electronics, renewable energy, and defense industries. The company trades on NASDAQ under USAR and is classified as an emerging growth company.
Moraitis’s appointment signals USAR’s focus on executing the Serra Verde merger and scaling rare earth production while navigating complex supply chains and regulatory landscapes in a market with growing global demand.
