MP Materials Corp.
MP- Exchange
- NYSE
- Industry
- Metal Mining
- SEC CIK
- 0001801368
No open-market purchases or sales by MP Materials Corp. insiders were filed in the last 90 days; 759 institutions reported holding it in 13F filings for Q2 2026, worth $8.22B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by MP Materials Corp. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for MP Materials Corp., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Duckworth Connie K | Director | 41,774 | Jun 30, 2026 | 6 |
| Weisenburger Randall J | Director | 150,899 | Jun 15, 2026 | 2 |
| Myers Richard B | Director | 7,792 | Jun 15, 2026 | 2 |
| Lavan Maryanne | Director | 23,753 | Jun 15, 2026 | 4 |
| Donald Arnold W | Director | – | Jun 10, 2026 | 1 |
| McKnight Andrew A. | Director | 0 | Jun 10, 2026 | 1 |
| Rosenthal Michael Stuart | Chief Operating Officer | 136,622Indirect | Jun 10, 2026 | 3 |
| Litinsky James H. | Chairman and CEO | 11,620,798Indirect | Jun 5, 2026 | 8 |
| Corbett Ryan | Chief Financial Officer | 109,017 | May 8, 2026 | 5 |
| Hoops Elliot Dean | General Counsel and Secretary | 54,095 | May 8, 2026 | 4 |
| Infuso David Gregory | Chief Accounting Officer | 48,442 | Apr 1, 2026 | 4 |
| JHL Capital Group LLC | 10% Owner | 0 | May 31, 2023 | 0 |
| JHL Capital Group Holdings Two LLC | 10% Owner | 0 | May 31, 2023 | 0 |
| JHL Capital Group Holdings One LLC | 10% Owner | 0 | May 31, 2023 | 0 |
| JHL Capital Group L.P. | 10% Owner | 0 | May 31, 2023 | 0 |
| JHL Capital Group Master Fund GP Ltd. | 10% Owner | 0 | May 31, 2023 | 0 |
| JHL Capital Group Master Fund L.P. | 10% Owner | 0 | May 31, 2023 | 0 |
| QVT Financial LP | Director, Other: Director by Deputization | 5,542,000Indirect | Dec 15, 2022 | 0 |
| Gold Daniel Allen | Director | 5,542,000Indirect | Dec 15, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 10, 2025 (view filing) | Dec 9 | 1 day | Corbett RyanChief Financial Officer | SSale | −38.1K | $60.00 | −$2.29M | −19.6%156.7K after | |
| Jan 9, 2026 (view filing) | Jan 7-8 | 2 days | Litinsky James H.Chairman and CEO | SSale | −300.0K | $64.16 | −$19.2M | −2.3%12.8M after | 2 lots10b5-1 |
| Jan 22, 2026 (view filing) | Jan 20 | 2 days | Hoops Elliot DeanGeneral Counsel and Secretary | SSale | −7.82K | $68.21 | −$533.6K | −9.4%75.0K after | 10b5-1 |
| Mar 17, 2026 (view filing) | Mar 17 | Same day | Corbett RyanChief Financial Officer | SSale | −46.0K | $60.00 | −$2.76M | −26.3%129.0K after | 10b5-1 |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Hoops Elliot DeanGeneral Counsel and Secretary | SSale | −13.9K | $60.01 | −$835.0K | −18.6%61.1K after | 10b5-1 |
| Apr 20, 2026 (view filing) | Apr 17-20 | 3 days | Litinsky James H.Chairman and CEO | SSale | −300.0K | $64.03 | −$19.2M | −2.3%12.5M after | 2 lots10b5-1 |
| May 8, 2026 (view filing) | May 8 | Same day | Corbett RyanChief Financial Officer | SSale | −20.0K | $75.00 | −$1.50M | −15.5%109.0K after | 10b5-1 |
| May 8, 2026 (view filing) | May 8 | Same day | Hoops Elliot DeanGeneral Counsel and Secretary | SSale | −6.96K | $75.00 | −$521.9K | −11.4%54.1K after | 10b5-1 |
| May 14, 2026 (view filing) | May 12-13 | 2 days | Litinsky James H.Chairman and CEO | SSale | −300.0K | $65.45 | −$19.6M | −2.4%12.2M after | 4 lots |
| May 20, 2026 (view filing) | May 20 | Same day | Rosenthal Michael StuartChief Operating Officer | PPurchase | +17.0K | $56.62 | +$962.5K | +1.3%1.33M after | |
| May 29, 2026 (view filing) | May 27-29 | 2 days | Litinsky James H.Chairman and CEO | SSale | −400.0K | $65.56 | −$26.2M | −3.3%11.8M after | 9 lots |
| Jun 5, 2026 (view filing) | Jun 3 | 2 days | Litinsky James H.Chairman and CEO | SSale | −185.2K | $69.14 | −$12.8M | −1.6%11.6M after | 3 lots |
| Jun 10, 2026 (view filing) | Jun 9 | 1 day | Rosenthal Michael StuartChief Operating Officer | PPurchase | +10.0K | $54.30 | +$543.0K | +7.9%136.6K after |