MR
Insider
Michael Stuart Rosenthal
Chief Operating OfficerMichael Stuart Rosenthal (Chief Operating Officer) filed 2 Form 4 reports in the trailing twelve months (2 purchases, 0 sales), most often in MP Materials Corp. (MP). Across 2 priced purchase filings, the average 21-session return was -1.7% from execution and +2.0% from disclosure (delay-adjusted; derived). The largest single filing was $963K of MP (17,000 sh × $56.62, as filed), executed May 20.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
-1.7%
avg across 2 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+2.0%
same 2 filings, from disclosure
Filings, ttm
2
2 buys · 0 sells
Median delay
0d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.5M
shares × price, as filed
Last traded
Jun 9
Filed Jun 10
Median ADV $246.3M across their filed names
Open performance→Volume by month
Buys $1.5M
Sells $10.8M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Basic Materials
2 filings
Sector per market data · by filing · past 12 months
Most traded names
MPRecent filings
MPPURCHASE
MP Materials Corp.
View filing →
$543K10,000 sh × $54.30
Exec Jun 9
Filed Jun 10 · 9:01 AM ET MPPURCHASE MP Materials Corp. View filing → $963K
17,000 sh × $56.62
Exec May 20
Filed May 20 · 9:03 PM ET MPSALE MP Materials Corp. View filing → $10.8M
150,000 sh across 3 lots
Exec Aug 29 2025
Filed Aug 29 2025 · 5:30 PM ET