The filing is routine and immaterial given the small size of the proposed sale. Watch for any acceleration of insider selling or larger filings, but no immediate action is warranted.
Price Chart
Executive Summary
Atlas Venture Associates XI, L.P., a major venture capital shareholder, filed a Form 144 indicating intent to sell 428 shares of Dyne Therapeutics common stock. The proposed sale is small (approx. $3.2M) relative to Dyne's $2.9B market cap and appears to be routine portfolio management, not indicative of bearish sentiment.
Key Facts
- Atlas Venture Associates XI, L.P. intends to sell 428 shares of Dyne Therapeutics common stock.
- The filing notes no other sales of the issuer's securities in the past 3 months.
- The shares were acquired via private placement on 04/26/2019.
- Proposed sale price approximately $7,477 per share, with total value around $3.2 million.
- Dyne's market cap is $2.9 billion, making this a negligible fraction of outstanding shares.
Financial Impact
Approximately $3.2 million (428 shares × ~$7,477/share)
Risk Factors
- Minimal direct impact on stock price; the sale is too small to signal distress.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001628280-26-031382 |
| Document: 0001628280-26-031382-index.html | 0001628280-26-031382 |
| Document: 0001628280-26-031382.txt | 0001628280-26-031382 |
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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