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sellWeak cluster of 310b5-1 plan

Frederick G Thiel sold $253k of MARA

Chief Executive Officer at MARATHON DIGITAL HOLDINGS, INC.. 27,505 shares at an average of $9.21, traded Aug 17, 2026, filed Aug 19, 2026.

Warning score
33
Value
$253k
27,505 shares
Holdings after
4,335,697
-1% from before
From 52-week low
+44%
low $6.73, close $9.72
From 52-week high
-57%
high $22.84, as of Aug 17, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $253k at market
    +13
  • Share of holdings sold
    Sold 0.6% 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 12, 2026 · close 9.44
Since filing Aug 19, 2026: -2.2%SPY +1.4% · excess -3.6%

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 0001493152-26-039284, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 17, 2026SOpen-market sale
Common Stock10b5-1
-27,505$9.21$253k4,335,697Aug 19, 2026

Related signals

Other insiders at MARATHON DIGITAL HOLDINGS, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
34Weak
MARAsell 310b5-1
MARATHON DIGITAL HOLDINGS, INC.
Frederick G Thiel
Chief Executive Officer
$309k
27,505 shares
-1%
29Weak
MARAsell 310b5-1
MARATHON DIGITAL HOLDINGS, INC.
Salman Hassan Khan
Chief Financial Officer
$183k
16,000 shares
-3%
20Weak
MARAsell 310b5-1
MARATHON DIGITAL HOLDINGS, INC.
Zabi Nowaid
General Counsel
$101k
8,376 shares
-1%
34Weak
MARAsell 310b5-1
MARATHON DIGITAL HOLDINGS, INC.
Frederick G Thiel
Chief Executive Officer
$315k
27,505 shares
-1%
20Weak
MARAsell 310b5-1
MARATHON DIGITAL HOLDINGS, INC.
Zabi Nowaid
General Counsel
$101k
8,376 shares
-1%
28Weak
MARAsell 310b5-1
MARATHON DIGITAL HOLDINGS, INC.
Salman Hassan Khan
Chief Financial Officer
$147k
16,000 shares
-4%
28Weak
MARAsell 310b5-1
MARATHON DIGITAL HOLDINGS, INC.
Salman Hassan Khan
Chief Financial Officer
$174k
16,000 shares
-4%
20Weak
MARAsell 310b5-1
MARATHON DIGITAL HOLDINGS, INC.
Zabi Nowaid
General Counsel
$101k
8,376 shares
-1%
34Weak
MARAsell 310b5-1
MARATHON DIGITAL HOLDINGS, INC.
Frederick G Thiel
Chief Executive Officer
$300k
27,505 shares
-1%
20Weak
MARAsell 410b5-1
MARATHON DIGITAL HOLDINGS, INC.
Douglas K Mellinger
director
$112k
7,000 shares
-3%

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 $253k of MARA | InsiderTell