Monitor for additional insider selling or a change in trend; while this level of selling is not yet material enough to signal distress, continued outflows could indicate waning confidence among insiders.
Price Chart
Executive Summary
A director at Dyne Therapeutics sold $2.53 million worth of shares in a single open-market transaction, representing a notable insider divestment. This sale accounts for approximately 0.08% of the company's $3.0B market cap and is consistent with recent insider selling activity totaling $2.6M over the past 30 days.
Key Financial Metrics
Key Facts
- Director Kersten Dirk sold 129,672 shares at $19.5151 per share for a total of $2,530,562.
- The transaction was an open-market sale (Form 4 code 'S').
- This sale represents approximately 0.08% of Dyne Therapeutics' $3.0B market capitalization.
- It is part of a broader pattern of insider selling, with four sales totaling $2.6M in the past 30 days.
Financial Impact
$2.53 million in insider sales over 7 days, $2.6M over 30 days
Risk Factors
- Ongoing insider selling may erode investor confidence if volume increases.
- Lack of offsetting insider buying reduces potential bullish signal.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (1 trades, 7d window) | cluster-DYN-1773434171885 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 17, 2026 6w ago | Insider Cluster | $26.15 $17.90 | ▲ +31.55% | ▲ +29.57% | $15.20 (+41.87%) |
Aug 14, 2026 6w ago | 144 | $26.15 $18.52 | ▼ −29.18% | ▼ −27.65% | $15.20 (−41.87%) |
Aug 13, 2026 7w ago | 144 | $25.70 $18.52 | ▲ +27.94% | ▲ +25.95% | $15.20 (+40.86%) |
Aug 13, 2026 7w ago | 144 | $25.70 $18.52 | ▼ −27.94% | ▼ −25.95% | $15.20 (−40.86%) |
Aug 13, 2026 7w ago | 144 | $25.70 $18.52 | ▼ −27.94% | ▼ −25.95% | $15.20 (−40.86%) |
Jul 29, 2026 9w ago | Press Release | $25.73 $26.09 | ▲ +1.40% | ▼ −2.57% | $15.20 (−40.92%) |
Jul 22, 2026 10w ago | Press Release | $23.21 $26.78 | ▼ −15.38% | ▼ −12.48% | $15.20 (+34.51%) |
Jul 20, 2026 10w ago | 8-K | $23.45 $26.15 | ▲ +11.51% | ▲ +7.39% | $15.20 (−35.18%) |
Jun 30, 2026 13w ago | Insider Cluster | $21.79 $25.10 | ▲ +15.19% | ▲ +17.38% | $15.20 (−30.24%) |
Jun 29, 2026 13w ago | 144 | $22.21 $25.63 | ▼ −15.40% | ▼ −16.43% | $15.20 (+31.56%) |
US Market Status
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