The CEO, CFO, and GC all selling within a week is a rare cluster that warrants attention despite the small dollar amount. MARA's stock is highly volatile and sensitive to Bitcoin price and equity offering news. Monitor for any upcoming 8-K regarding an at-the-market offering or operational update that could explain the timing. The historical calibration shows past high-score reports on MARA have been wrong 89% of the time at T+20, so avoid over-trading this signal alone.
Price Chart
Executive Summary
Three top insiders at MARA Holdings, including the CEO and CFO, sold a combined $501K in open-market sales over a week. While the dollar amount is modest relative to the $4.3B market cap (0.01%), the cluster involves the entire C-suite (CEO, CFO, GC) selling at prices between $9.21 and $12, which is notable given the stock's extreme volatility and the company's history of dilutive offerings. The historical calibration shows past bullish/neutral reports on MARA have been heavily wrong (11% win rate, -13% avg T+20 alpha), and the score-8 cell has a 25-37% observed P, so a bearish read must be tempered.
Key Financial Metrics
Key Facts
- CEO Thiel sold 27,505 shares for $253K at $9.21 on 2026-08-17
- CFO Khan sold 16,000 shares for $147K at $9.21 on 2026-08-17
- GC Zabi sold 8,376 shares for $101K at $12.00 on 2026-08-21
- Total insider sales of $501K represent ~0.01% of $4.3B market cap
- All three trades are open-market sales (code S), not tax withholding or option exercises
Financial Impact
Three C-suite insiders sold $501K total, or ~0.01% of market cap — below the 0.1% materiality threshold for most companies, but the cluster involves the entire top management team
Risk Factors
- Sales may be pre-planned under 10b5-1 plans, reducing informational content
- MARA's extreme volatility means any signal can be overwhelmed by Bitcoin price moves
- Past reports on MARA have a very poor track record (11% win rate, -13% avg alpha at T+20)
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-MARA-1787353290436 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 21, 2026 5w ago | Insider Cluster | $11.18 $13.63 | ▼ −21.91% | ▼ −20.60% | $11.23 (−0.45%) |
Aug 19, 2026 6w ago | Insider Cluster | $11.14 $13.24 | ▼ −18.85% | ▼ −18.97% | $11.23 (−0.81%) |
Aug 4, 2026 8w ago | 8-K | $11.75 $10.23 | ▼ −12.94% | ▼ −11.70% | $11.23 (−4.43%) |
Jul 20, 2026 10w ago | Insider Cluster | $12.25 $8.96 | ▼ −26.86% | ▼ −29.42% | $11.23 (−8.33%) |
Jul 9, 2026 12w ago | 8-K | $13.22 $10.65 | ▼ −19.44% | ▼ −21.68% | $11.23 (−15.05%) |
Jun 25, 2026 14w ago | 8-K | $14.54 $12.77 | ▼ −12.17% | ▼ −13.43% | $11.23 (−22.76%) |
Jun 25, 2026 14w ago | Insider Cluster | $13.88 $12.77 | ▼ −8.00% | ▼ −8.53% | $11.23 (−19.09%) |
Jun 22, 2026 14w ago | 8-K | $14.70 $11.67 | ▼ −20.61% | ▼ −21.77% | $11.23 (−23.61%) |
Jun 11, 2026 16w ago | Institutional Cluster | $13.61 $13.22 | ▼ −2.87% | ▼ −4.76% | $11.23 (−17.49%) |
May 4, 2026 21w ago | Press Release | $12.16 $14.28 | ▼ −17.43% | ▼ −12.48% | $11.23 (+7.65%) |
US Market Status
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