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START FREE TRIAL →Michael Stuart Rosenthal, Chief Operating Officer, is a corporate insider tracked by InsiderTape across 1 company. The public record shows 9 open-market SEC Form 4 transactions: 8 purchases worth $1.2M and 1 sale worth $6.0M, reported from May 19, 23 to Aug 29, 25. Over this period they have been a net buyer.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 29, 25 | MPMP Materials Corp. / DE | SELL | 83.9K | $73.23 | $6.0M |
| Aug 6, 24 | MPMP Materials Corp. / DE | BUY | 30.0K | $10.84 | $325K |
| May 31, 23 | MPMP Materials Corp. / DE | BUY | 5.0K | $20.69 | $103K |
| May 30, 23 | MPMP Materials Corp. / DE | BUY | 6.0K | $21.14 | $127K |
| May 26, 23 | MPMP Materials Corp. / DE | BUY | 7.0K | $21.63 | $151K |
| May 25, 23 | MPMP Materials Corp. / DE | BUY | 5.0K | $22.22 | $111K |
| May 23, 23 | MPMP Materials Corp. / DE | BUY | 5.0K | $22.03 | $110K |
| May 22, 23 | MPMP Materials Corp. / DE | BUY | 5.0K | $21.78 | $109K |
| May 19, 23 | MPMP Materials Corp. / DE | BUY | 10.0K | $21.21 | $212K |