MP Materials Corp. (NYSE: MP) is a rare earth mining and processing company that completed its public debut in 2020 through a merger with Fortress Value Acquisition Corp., a blank-check vehicle sponsored by Fortress Investment Group. The combined company filed an S-1 registration statement with the SEC in December 2020, shortly after the business combination closed in November of that year. MP Materials operates Mountain Pass in California, the only rare earth mining and processing facility of scale in the Western Hemisphere, placing it squarely within the critical materials and mining sector. The company remains publicly traded on the New York Stock Exchange under the ticker MP. For full filing history, SPAC deal terms, and sponsor data on MP Materials and thousands of other transactions, sign up for SpacDesk.