Michael Stuart Rosenthal
Known title: Chief Operating OfficerCIK: 0001832050
Michael Stuart Rosenthal's purchase track record
How the stock did after each of Michael Stuart Rosenthal's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
3
of 5 since May 19, 2023
Stock higher 6 months later
33%
3 months: 60%
Median 6-month return
-23.9%
3 months: +0.3%
Beat the S&P 500
33%
median -31.6% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 6/9/2026 | MP | $543K | +2.0% | pending | — |
| 5/20/2026 | MP | $963K | +0.3% | pending | — |
| 8/6/2024 | MP | $325K | +69.5% | +122.9% | +15.2% |
| 5/30/2023 | MP | $230K | -2.0% | -24.1% | +8.3% |
| 5/19/2023 | MP | $694K | -3.3% | -23.9% | +7.7% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| MP | ▲ Buy | Open Market | 10,000 | $543K | 6/9/2026 | View on chart |
| MP | ▲ Buy | Open Market | 17,000 | $963K | 5/20/2026 | View on chart |
| MP | ▼ Sell | Tax Withholding | 9,083 | $580K | 1/13/2026 | View on chart |
| MP | ▲ Buy | Grant | 18,318 | $0 | 1/12/2026 | View on chart |
| MP | ▲ Buy | Grant | 33,648 | $0 | 1/12/2026 | View on chart |
| MP | ▼ Sell | Tax Withholding | 10,619 | $694K | 1/12/2026 | View on chart |
| MP | ▼ Sell | Open Market | 83,874 | $6.0M | 8/29/2025 | View on chart |
| MP | ▼ Sell | Open Market | 52,063 | $3.8M | 8/29/2025 | View on chart |
| MP | ▼ Sell | Open Market | 14,063 | $1.0M | 8/29/2025 | View on chart |
| MP | ▼ Sell | Tax Withholding | 384 | $10K | 3/16/2025 | View on chart |
| MP | ▼ Sell | Tax Withholding | 2,560 | $50K | 1/13/2025 | View on chart |
| MP | ▲ Buy | Grant | 47,363 | $0 | 1/13/2025 | View on chart |
| MP | ▼ Sell | Tax Withholding | 10,601 | $209K | 1/12/2025 | View on chart |
| MP | ▼ Sell | Other | 169,078 | $0 | 12/10/2024 | View on chart |
| MP | ▼ Sell | Tax Withholding | 171,462 | $3.1M | 11/17/2024 | View on chart |
| MP | ▲ Buy | Open Market | 30,000 | $325K | 8/6/2024 | View on chart |
| MP | ▼ Sell | Tax Withholding | 171,462 | $2.8M | 2/17/2024 | View on chart |
| MP | ▲ Buy | Grant | 77,158 | $0 | 1/12/2024 | View on chart |
| MP | ▲ Buy | Open Market | 5,000 | $103K | 5/31/2023 | View on chart |
| MP | ▲ Buy | Open Market | 6,000 | $127K | 5/30/2023 | View on chart |
| MP | ▲ Buy | Open Market | 7,000 | $151K | 5/26/2023 | View on chart |
| MP | ▲ Buy | Open Market | 5,000 | $111K | 5/25/2023 | View on chart |
| MP | ▲ Buy | Open Market | 5,000 | $110K | 5/23/2023 | View on chart |
| MP | ▲ Buy | Open Market | 5,000 | $109K | 5/22/2023 | View on chart |
| MP | ▲ Buy | Open Market | 10,000 | $212K | 5/19/2023 | View on chart |
| MP | ▼ Sell | Other | 354,705 | $0 | 5/18/2023 | View on chart |
| MP | ▼ Sell | Tax Withholding | 345 | $10K | 3/16/2023 | View on chart |
| MP | ▼ Sell | Tax Withholding | 154,116 | $5.0M | 2/17/2023 | View on chart |
| MP | ▲ Buy | Grant | 18,625 | $0 | 1/13/2023 | View on chart |
| MP | ▼ Sell | Tax Withholding | 362 | $16K | 3/16/2022 | View on chart |
| MP | ▼ Sell | Tax Withholding | 322,918 | $13.4M | 2/17/2022 | View on chart |
| MP | ▼ Sell | Tax Withholding | 2,075 | $97K | 1/14/2022 | View on chart |
| MP | ▲ Buy | Grant | 6,000 | $0 | 1/14/2022 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 6, 2026
MP Materials to Deliver GM's First Non-Chinese Rare Earth Magnets
MP Materials is set to supply General Motors with its first rare earth magnets not made in China, a move supported by a $400 million Pentagon investment aimed at reducing reliance on Chinese supply chains. This development highlights the company's strategic role in critical minerals, though analysts note potential risks from overreliance on government agreements and mixed views on core business fundamentals.
MP Materials to Deliver GM's First Non-Chinese Rare Earth Magnets. MP Materials is set to supply General Motors with its first rare earth magnets not made in China, a move supported by a $400 million Pentagon investment aimed at reducing reliance on Chinese supply chains. This development highlights the company's strategic role in critical minerals, though analysts note potential risks from overreliance on government agreements and mixed views on core business fundamentals.