This is a routine, minuscule sale by a venture capital holder with no trading significance. Monitor for any material insider selling patterns, but this filing alone does not warrant action.
Price Chart
Executive Summary
Atlas Venture Associates XI, L.P. filed a Form 144 to sell 61 shares of Dyne Therapeutics, with an estimated market value of approximately $1,061. This is a de minimis sale by a venture capital shareholder, representing a negligible fraction of the company's $2.9B market cap. The filing is routine and carries no material signal.
Key Facts
- Atlas Venture Associates XI, L.P. intends to sell 61 shares of DYN common stock.
- Estimated aggregate market value of the proposed sale is $1,060.79.
- Shares were acquired via private placement on April 26, 2019.
- Proposed sale date is April 29, 2026; filed May 4, 2026.
- Sale size is trivial relative to DYN's $2.9B market cap.
Financial Impact
$1,061 sale, negligible relative to market cap
Risk Factors
- No material risk from this filing.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001628280-26-029907 |
| Document: 0001628280-26-029907-index.html | 0001628280-26-029907 |
| Document: 0001628280-26-029907.txt | 0001628280-26-029907 |
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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