This insider selling cluster is routine in size and pattern — CEO sales coincide with option exercises, and total dollar value is negligible relative to the $6.3B market cap. No bearish signal. Monitor for any material corporate events (earnings, pipeline updates) that could have prompted the option exercise timing, but the sales themselves do not warrant action.
Price Chart
Executive Summary
Three Dianthus Therapeutics insiders (CEO, General Counsel, and a Director) sold a total of ~$3.2M in open-market shares over a 3-day window, with the CEO alone selling ~$15.6M including option exercises. The sales are large in absolute terms but represent only ~0.05% of the $6.3B market cap, falling below the 0.1% materiality threshold. The CEO's sales coincide with option exercises at $8.44, suggesting tax-planning or diversification rather than a bearish signal, consistent with the weak predictive power of insider sales clusters per academic literature. The historical calibration shows strong positive T+20 returns on prior DNTH reports (avg +7.46%), but this cluster is routine in size relative to market cap and lacks the buy-side conviction that drives predictive returns.
Key Financial Metrics
Key Facts
- CEO Marino Garcia sold ~$15.6M in open-market shares (including option exercises at $8.44) on August 7, 2026
- General Counsel Adam Veness sold ~$1.78M on August 10, 2026
- Director Anne McGeorge sold ~$845K across multiple trades on August 10, 2026
- Total open-market sales of ~$3.2M represent ~0.05% of DNTH's $6.3B market cap
- All sales are below the 0.1% materiality threshold for insider clusters
- CEO sales coincide with exercise of deep-in-the-money options, typical of tax-motivated diversification
Financial Impact
Total insider open-market sales of ~$3.2M, or ~0.05% of market cap — immaterial relative to company size
Risk Factors
- Insider selling could accelerate if stock continues to rise, but current cluster is too small to indicate informed selling
- No material risk identified from this filing
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-DNTH-1786485740785 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 11, 2026 7w ago | Insider Cluster | $112.41 $103.28 | ▼ −8.12% | ▼ −6.22% | $89.96 (−19.97%) |
Aug 11, 2026 7w ago | Insider Cluster | $112.41 $103.28 | ▼ −8.12% | ▼ −6.22% | $89.96 (−19.97%) |
Aug 11, 2026 7w ago | Insider Cluster | $112.41 $103.28 | ▼ −8.12% | ▼ −6.22% | $89.96 (−19.97%) |
Aug 11, 2026 7w ago | Insider Cluster | $112.41 $103.28 | ▲ +8.12% | ▲ +6.22% | $89.96 (+19.97%) |
Aug 10, 2026 7w ago | 144 | $108.49 $107.04 | ▼ −1.34% | ▼ −0.28% | $89.96 (−17.08%) |
Jun 29, 2026 13w ago | Press Release | $95.68 $103.87 | ▲ +8.56% | ▲ +8.84% | $89.96 (−5.98%) |
Jun 12, 2026 16w ago | 8-K | $82.07 $97.60 | ▲ +18.92% | ▲ +17.14% | $89.96 (+9.61%) |
Jun 11, 2026 16w ago | Institutional Cluster | $76.45 $100.03 | ▲ +30.84% | ▲ +28.95% | $89.96 (+17.67%) |
May 5, 2026 21w ago | 8-K | $90.42 $84.97 | ▼ −6.03% | ▼ −8.81% | $89.96 (−0.51%) |
Mar 12, 2026 29w ago | Press Release | $77.86 $90.00 | ▲ +15.59% | ▲ +12.00% | $89.96 (+15.54%) |
US Market Status
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