0001801368 2022-06-14 2022-06-14 0001801368 false MP Materials Corp. / DE 8-K 2022-06-14 DE 001-39277 84-4465489 6720 Via Austi Parkway, Suite 450 Las Vegas NV 89119 702 844-6111 false false false false Common Stock, par value of $0.0001 per share MP NYSE false 2022-06-14