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sellWeak cluster of 310b5-1 plan

Frederick G Thiel sold $537k of MARA

Chief Executive Officer at MARA Holdings, Inc.. 27,505 shares at an average of $19.52, traded Jul 16, 2025, filed Jul 18, 2025.

Warning score
39
Value
$537k
27,505 shares
Holdings after
3,946,504
-1% from before
From 52-week low
+85%
low $10.52, close $19.44
From 52-week high
-29%
high $27.42, as of Jul 16, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $537k at market
    +19
  • Share of holdings sold
    Sold 0.7% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

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.

MARAOct 9, 2026 · close 9.65
Since filing Jul 18, 2025: -50.5%SPY +25.7% · excess -76.3%

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 0001641172-25-020312, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 16, 2025SOpen-market sale
Common Stock10b5-1
-27,505$19.52$537k3,946,504Jul 18, 2025

Related signals

Other insiders at MARA Holdings, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
34Weak
MARAsell 310b5-1
MARA Holdings, Inc.
Frederick G Thiel
Chief Executive Officer
$309k
27,505 shares
-1%
29Weak
MARAsell 310b5-1
MARA Holdings, Inc.
Salman Hassan Khan
Chief Financial Officer
$183k
16,000 shares
-3%
20Weak
MARAsell 310b5-1
MARA Holdings, Inc.
Zabi Nowaid
General Counsel
$101k
8,376 shares
-1%
34Weak
MARAsell 310b5-1
MARA Holdings, Inc.
Frederick G Thiel
Chief Executive Officer
$315k
27,505 shares
-1%
27Weak
MARAsell 210b5-1
MARA Holdings, Inc.
Frederick G Thiel
Chief Executive Officer
$296k
27,505 shares
-1%
31Weak
MARAsell 210b5-1
MARA Holdings, Inc.
Salman Hassan Khan
Chief Financial Officer
$399k
34,732 shares
-12%
38Weak
MARAsell 410b5-1
MARA Holdings, Inc.
Salman Hassan Khan
Chief Financial Officer
$416k
34,732 shares
-11%
35Weak
MARAsell 410b5-1
MARA Holdings, Inc.
Frederick G Thiel
Chief Executive Officer
$330k
27,505 shares
-1%
10Weak
MARAsell 410b5-1
MARA Holdings, Inc.
Douglas K Mellinger
director
$17k
1,000 shares
-1%
48Moderate
MARAsell 4
MARA Holdings, Inc.
Zabi Nowaid
General Counsel
$480k
30,000 shares
-4%

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.

Frederick G Thiel sold $537k of MARA | InsiderTell