The director buying is directionally positive but too small to act on. The officer sale and poor historical calibration (17% win rate at T+20) suggest caution. Monitor for a larger cluster (>0.5% of market cap) or a catalyst like a major AI/HPC contract before taking a directional view.
Price Chart
Executive Summary
A mixed insider cluster at Core Scientific shows two directors buying $244K in open-market purchases while a senior officer (Todd Duchene) sold $174K. The director buying is a modest positive signal, but the officer sale and the company's poor historical T+20 performance (17% win rate, -8% avg return) temper the bullish read. The cluster value ($419K total) is trivial relative to the $5.8B market cap (0.007%), making this a low-impact event.
Key Financial Metrics
Key Facts
- Two directors bought $244K in open-market shares (Crain $110K, Weiss $134K) on Aug 18-20, 2026
- Officer Todd Duchene sold $174K in open-market shares on Aug 24, 2026
- Total cluster value of $419K is 0.007% of $5.8B market cap — trivial
- Historical reports on CORZ show 17% T+20 win rate with -8.05% avg return, suggesting prior bullish calls were over-scored
Financial Impact
Total insider cluster value of $419K, representing 0.007% of market cap — immaterial
Risk Factors
- Officer sale may signal insider caution ahead of upcoming events
- Historical model calls on CORZ have been wrong 83% of the time at T+20, suggesting this stock is difficult to predict via filings
- Cluster is too small to overcome the bearish historical track record
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CORZ-1787810591502 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 10, 2026 22d ago | 8-K | $17.37 $17.14 | ▼ −1.32% | ▼ −0.83% | $16.45 (−5.30%) |
Aug 26, 2026 5w ago | Insider Cluster | $17.42 $16.81 | ▼ −3.50% | ▼ −3.38% | $16.45 (−5.57%) |
Aug 24, 2026 5w ago | Insider Cluster | $17.27 $16.30 | ▼ −5.62% | ▼ −6.09% | $16.45 (−4.75%) |
Aug 20, 2026 6w ago | Insider Cluster | $18.39 $17.62 | ▼ −4.19% | ▼ −5.30% | $16.45 (−10.55%) |
Aug 14, 2026 7w ago | 8-K | $20.18 $17.81 | ▼ −11.74% | ▼ −10.38% | $16.45 (−18.48%) |
Jul 29, 2026 9w ago | 8-K | $18.12 $21.77 | ▲ +20.14% | ▲ +14.61% | $16.45 (−9.22%) |
Jul 28, 2026 9w ago | 8-K | $20.75 $22.83 | ▲ +10.05% | ▲ +7.78% | $16.45 (−20.70%) |
Jul 28, 2026 9w ago | 8-K | $20.75 $22.83 | ▲ +10.05% | ▲ +7.78% | $16.45 (−20.70%) |
Jun 29, 2026 13w ago | Court Ruling | $25.94 $22.80 | ▲ +12.10% | ▲ +13.49% | $16.45 (+36.58%) |
Jun 11, 2026 16w ago | Institutional Cluster | $27.60 $29.16 | ▲ +5.65% | ▲ +4.98% | $16.45 (−40.40%) |
US Market Status
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