The cluster is too small relative to market cap to drive a directional trade. The director buy is a modest positive signal, but the EVP's larger open-market sale on the prior day offsets it. Monitor for any upcoming earnings or operational catalysts that might explain the timing; otherwise, treat as noise.
Price Chart
Executive Summary
Mixed insider cluster at Core Scientific: Director Eric Weiss bought $134K worth of shares on 2026-08-18, while EVP Todd Duchene sold $201K open-market and surrendered $226K in shares for tax withholding on 2026-08-17. The buy is a modest bullish signal from a director, but the larger sell by a senior executive and the tax-motivated disposition create a neutral-to-slightly-bearish net picture. At $6.0B market cap, the total open-market activity ($335K) is only ~0.006% of market cap — trivial in proportion, limiting the signal's materiality despite the cluster context.
Key Financial Metrics
Key Facts
- Director Eric Weiss bought 7,000 shares at $19.19 for $134K on 2026-08-18
- EVP Todd Duchene sold 10,000 shares at $20.10 for $201K on 2026-08-17
- Duchene also surrendered 11,205 shares for tax withholding ($226K) on the same day
- Total open-market activity ($335K) is ~0.006% of $6.0B market cap — trivial
- Net direction is mixed: one buy vs. one sell, with a larger tax-driven disposition
Financial Impact
Total open-market insider activity of $335K, representing ~0.006% of $6.0B market cap — immaterial
Risk Factors
- Insider selling by a senior executive (EVP) could signal caution about near-term prospects
- Tax-withholding disposition is routine but adds to the mixed picture
- Historical calibration shows past bullish/long calls on CORZ have underperformed at T+20 (33% win rate, avg -6.08%)
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-1787292742617 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 10, 2026 22d ago | 8-K | $17.37 $17.14 | ▼ −1.32% | ▼ −0.83% | $16.42 (−5.47%) |
Aug 26, 2026 5w ago | Insider Cluster | $17.42 $16.81 | ▼ −3.50% | ▼ −3.38% | $16.42 (−5.74%) |
Aug 24, 2026 5w ago | Insider Cluster | $17.27 $16.30 | ▼ −5.62% | ▼ −6.09% | $16.42 (−4.92%) |
Aug 20, 2026 6w ago | Insider Cluster | $18.39 $17.62 | ▼ −4.19% | ▼ −5.30% | $16.42 (−10.71%) |
Aug 14, 2026 7w ago | 8-K | $20.18 $17.81 | ▼ −11.74% | ▼ −10.38% | $16.42 (−18.63%) |
Jul 29, 2026 9w ago | 8-K | $18.12 $21.77 | ▲ +20.14% | ▲ +14.61% | $16.42 (−9.38%) |
Jul 28, 2026 9w ago | 8-K | $20.75 $22.83 | ▲ +10.05% | ▲ +7.78% | $16.42 (−20.85%) |
Jul 28, 2026 9w ago | 8-K | $20.75 $22.83 | ▲ +10.05% | ▲ +7.78% | $16.42 (−20.85%) |
Jun 29, 2026 13w ago | Court Ruling | $25.94 $22.80 | ▲ +12.10% | ▲ +13.49% | $16.42 (+36.70%) |
Jun 11, 2026 16w ago | Institutional Cluster | $27.60 $29.16 | ▲ +5.65% | ▲ +4.98% | $16.42 (−40.51%) |
US Market Status
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