Rosenthal Michael Stuart — SEC Form 4 filings
SEC reporting owner CIK 1832050. 11 Form 4 filings on record with FilingPulse; latest filed 2026-06-10.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-01-16 to 2026-06-10. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 3 legs across 3 filings — 57,000 shares, $1,830,740 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 3 legs across 1 filing — 150,000 shares, $10,802,838 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 12.
- Largest priced transaction: sale of 83,874 shares @ $71.48 ($5,995,314) in MP Materials Corp. / DE, filed 2025-08-29.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| MP Materials Corp. / DE (MP) | Chief Operating Officer | 11 | 3 legs · 57,000 sh · $1,830,740 | 3 legs · 150,000 sh · $10,802,838 | 12 |
Form 4 filings — Rosenthal Michael Stuart
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-10 | 4 | MP Materials Corp. / DE (MP) | Purchase (P): 10,000 @ $54.30 | EDGAR |
| 2026-05-20 | 4 | MP Materials Corp. / DE (MP) | Purchase (P): 17,000 @ $56.62 | EDGAR |
| 2026-01-14 | 4 | MP Materials Corp. / DE (MP) | Grant/award (A): 18,318 @ $0 · Grant/award (A): 33,648 @ $0 · Tax withholding (F): 10,619 @ $65.34 · Tax withholding (F): 9,083 @ $63.82 | EDGAR |
| 2025-08-29 | 4 | MP Materials Corp. / DE (MP) | Sale (S): 83,874 @ $71.48 · Sale (S): 52,063 @ $72.56 · Sale (S): 14,063 @ $73.23 | EDGAR |
| 2025-03-18 | 4 | MP Materials Corp. / DE (MP) | Tax withholding (F): 384 @ $26.83 | EDGAR |
| 2025-01-14 | 4 | MP Materials Corp. / DE (MP) | Tax withholding (F): 10,601 @ $19.75 · Tax withholding (F): 2,560 @ $19.53 · Grant/award (A): 47,363 @ $0 | EDGAR |
| 2024-12-11 | 4 | MP Materials Corp. / DE (MP) | Other (J): 169,078 @ $0 | EDGAR |
| 2024-11-18 | 4 | MP Materials Corp. / DE (MP) | Tax withholding (F): 171,462 @ $18.28 | EDGAR |
| 2024-08-08 | 4 | MP Materials Corp. / DE (MP) | Purchase (P): 30,000 @ $10.84 | EDGAR |
| 2024-02-20 | 4 | MP Materials Corp. / DE (MP) | Tax withholding (F): 171,462 @ $16.55 | EDGAR |
| 2024-01-16 | 4 | MP Materials Corp. / DE (MP) | Grant/award (A): 77,158 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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