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buyModerate

Michael Stuart Rosenthal bought $543k of MP

Chief Operating Officer at MP Materials Corp. / DE. 10,000 shares at an average of $54.30, traded Jun 9, 2026, filed Jun 10, 2026.

Conviction score
55
Value
$543k
10,000 shares
Holdings after
136,622
+8% from before
From 52-week low
+112%
low $25.64, close $54.30
From 52-week high
-45%
high $98.65, as of Jun 9, 2026

Score components

  • Role
    COO
    +20
  • Trade size
    $543k at market
    +19
  • Relative to holdings
    Holdings up 8%
    +3
  • Price context
    45% below the 52-week high
    +8
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    2 buys in 90 days
    +5
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MPOct 12, 2026 · close 43.36
Since filing Jun 10, 2026: -18.9%SPY +7.8% · excess -26.7%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001832050-26-000007, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 9, 2026POpen-market purchase
Common Stockindirect: By Rosenthal Family Trust
+10,000$54.30$543k136,622Jun 10, 2026

Related signals

Other insiders at MP Materials Corp. / DE and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
50Moderate
MPsell
MP Materials Corp. / DE
James H. Litinsky
Chairman and CEO
$13M
185,167 shares
-2%
50Moderate
MPsell
MP Materials Corp. / DE
James H. Litinsky
Chairman and CEO
$26M
400,000 shares
-3%
52Moderate
MPbuy
MP Materials Corp. / DE
Michael Stuart Rosenthal
Chief Operating Officer
$963k
17,000 shares
+1%
65Notable
MPsell 3
MP Materials Corp. / DE
James H. Litinsky
Chairman and CEO
$20M
300,000 shares
-2%
47Moderate
MPsell 310b5-1
MP Materials Corp. / DE
Ryan Corbett
Chief Financial Officer
$1.5M
20,000 shares
-16%
33Weak
MPsell 310b5-1
MP Materials Corp. / DE
Elliot Dean Hoops
General Counsel and Secretary
$522k
6,958 shares
-11%
30Weak
MPsell10b5-1
MP Materials Corp. / DE
James H. Litinsky
Chairman and CEO
$19M
300,000 shares
-2%
45Moderate
MPsell 210b5-1
MP Materials Corp. / DE
Ryan Corbett
Chief Financial Officer
$2.8M
46,000 shares
-26%
31Weak
MPsell 210b5-1
MP Materials Corp. / DE
Elliot Dean Hoops
General Counsel and Secretary
$835k
13,914 shares
-19%
21Weak
MPsell 210b5-1
MP Materials Corp. / DE
Elliot Dean Hoops
General Counsel and Secretary
$534k
7,823 shares
-9%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Michael Stuart Rosenthal bought $543k of MP | InsiderTell