8-K · Items 1.01, 2.01, 2.03, 3.02, 5.02, 8.01 — Material agreement
USA Rare Earth completed merger with Serra Verde Group on September 3, 2026, creating integrated rare earth platform combining Serra Verde's upstream heavy rare earth mining in Brazil with USAR's processing and magnet capabilities. Consideration: $300M cash + 126.8M shares.
No notable change in AIR's read.