By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
MP insiders were on both sides of the trade this year. Buys came to roughly $1.5 million (one buyer), sales to $146.8 million (three sellers).
Biggest single buyer: Rosenthal Michael Stuart, COO, with roughly $963,000. That includes C-suite money, which tends to get the most attention.
On the institutional side, 756 funds reported holding MP at the end of Q2 2026, and more funds bought than sold. No open-market insider buying or selling in the last full quarter. Insiders bought in 1 of the last 7 full quarters.
Are insiders buying or selling MP stock?
In the last 12 months MP Materials Corp. / DE insiders made open-market purchases worth about $1.5 million and sales worth about $146.8 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in MP?
The most recent open-market insider trade in MP was filed on 2026-06-10.
How many institutions own MP?
756 investment managers reported holding MP in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded MP?
No congressional trades in MP were reported in the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).