Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 11 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Oct. 1, 2025 USAR A 5,054 · · 5,054 Direct · Acquired (price as of 2026-10-02)
Aug. 13, 2025 USAR A 18,199 · · 18,199 Direct · Acquired (price as of 2026-10-02)
Aug. 13, 2025 USAR A 12,284 · · 12,284 Direct · Acquired (price as of 2026-10-02)
March 13, 2025 USAR A 5,096 · · 5,096 Indirect · Acquired (price as of 2026-10-02)
March 13, 2025 USAR A 8,079 · · 8,079 Indirect · Acquired (price as of 2026-10-02)
March 13, 2025 USAR A 498,109 · · 498,109 Indirect · Acquired (price as of 2026-10-02)
March 13, 2025 USAR A 1,623,216 · · 1,623,216 Indirect · Acquired (price as of 2026-10-02)
March 13, 2025 USAR A 37,073 · · 37,073 Indirect · Acquired (price as of 2026-10-02)
March 13, 2025 USAR A 58,777 · · 58,777 Indirect · Acquired (price as of 2026-10-02)
March 13, 2025 USAR A 3,623,629 · · 3,623,629 Indirect · Acquired (price as of 2026-10-02)
March 13, 2025 USAR A 11,808,529 · · 11,808,529 Indirect · Acquired (price as of 2026-10-02)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Oct. 1, 2025 USAR Restricted Stock Units [F1] Common Stock, par value $0.0001 per share (5,054) $0.00 · 5,054 Acquired
Aug. 13, 2025 USAR Restricted Stock Units Common Stock, par value $0.0001 per share (18,199) · · 18,199 Acquired
Aug. 13, 2025 USAR Restricted Stock Units Common Stock, par value $0.0001 per share (12,284) · · 12,284 Acquired
March 13, 2025 USAR Earnout right to Common Stock Common Stock, par value $0.0001 per share (5,096) · March 13, 2031 5,096 Acquired
March 13, 2025 USAR Earnout right to Common Stock Common Stock, par value $0.0001 per share (8,079) · March 13, 2031 8,079 Acquired
March 13, 2025 USAR Earnout right to Common Stock Common Stock, par value $0.0001 per share (498,109) · March 13, 2031 498,109 Acquired
March 13, 2025 USAR Earnout right to Common Stock Common Stock, par value $0.0001 per share (1,623,216) · March 13, 2031 1,623,216 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).