0001801368 2025-11-19 2025-11-19 MP Materials Corp. / DE false 0001801368 8-K 2025-11-19 DE 001-39277 84-4465489 1700 S. Pavilion Center Drive Suite 800 Las Vegas NV 89135 (702) 844-6111 false false false false Common Stock, par value of $0.0001 per share MP NYSE false