Sustained, high-value insider selling by multiple directors raises concerns about confidence in near-term prospects. Traders should monitor upcoming clinical trial updates or regulatory filings for catalysts that may explain the divestment, and watch for downward pressure on the stock.
Price Chart
Executive Summary
Two directors at Dyne Therapeutics (DYN) sold over $11.4 million in shares over the past 7 days, including a $4.3 million sale by Dirk Kersten on April 17. The cluster represents more than 0.35% of the company's $3.2B market cap, signaling notable insider selling.
Key Financial Metrics
Key Facts
- Director Dirk Kersten sold 211,974 shares on April 17 for $4.3 million, the largest single transaction in the cluster.
- Director Jason Rhodes sold 143,175 shares across two days (April 21 and 22) for $2.83 million.
- Total insider selling over 7 days amounts to $11.4 million across 7 transactions by two directors.
- All transactions were open-market sales (code S), indicating deliberate divestment.
- Recent insider activity over the past 30 days totals $13.4 million in sales, suggesting sustained selling pressure.
Financial Impact
$11.4 million in insider sales over 7 days (0.35% of $3.2B market cap)
Risk Factors
- Loss of insider confidence may signal upcoming negative developments or lack of upside catalysts.
- Heavy selling could precede downward earnings or pipeline updates.
- Potential for increased share volatility if retail investors react to insider moves.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-DYN-1776975352606 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 17, 2026 6w ago | Insider Cluster | $26.15 $17.90 | ▲ +31.55% | ▲ +29.57% | $15.39 (+41.15%) |
Aug 14, 2026 6w ago | 144 | $26.15 $18.52 | ▼ −29.18% | ▼ −27.65% | $15.39 (−41.15%) |
Aug 13, 2026 7w ago | 144 | $25.70 $18.52 | ▲ +27.94% | ▲ +25.95% | $15.39 (+40.12%) |
Aug 13, 2026 7w ago | 144 | $25.70 $18.52 | ▼ −27.94% | ▼ −25.95% | $15.39 (−40.12%) |
Aug 13, 2026 7w ago | 144 | $25.70 $18.52 | ▼ −27.94% | ▼ −25.95% | $15.39 (−40.12%) |
Jul 29, 2026 9w ago | Press Release | $25.73 $26.09 | ▲ +1.40% | ▼ −2.57% | $15.39 (−40.19%) |
Jul 22, 2026 10w ago | Press Release | $23.21 $26.78 | ▼ −15.38% | ▼ −12.48% | $15.39 (+33.69%) |
Jul 20, 2026 10w ago | 8-K | $23.45 $26.15 | ▲ +11.51% | ▲ +7.39% | $15.39 (−34.37%) |
Jun 30, 2026 13w ago | Insider Cluster | $21.79 $25.10 | ▲ +15.19% | ▲ +17.38% | $15.39 (−29.37%) |
Jun 29, 2026 13w ago | 144 | $22.21 $25.63 | ▼ −15.40% | ▼ −16.43% | $15.39 (+30.71%) |
US Market Status
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