Monitor for follow-up transactions—particularly from other C-suite executives—as isolated CFO selling paired with a small board buy is not strongly directional at this volume. No immediate catalyst is evident.
Price Chart
Executive Summary
A mixed insider trading cluster at Dyne Therapeutics shows CFO Erick Lucera selling $107K in shares while Director Brian Posner bought $34K, all within a 7-day window. The net selling by a C-suite executive outweighs the board-level purchase, but total volume remains below 0.1% of market cap.
Key Financial Metrics
Key Facts
- CFO Erick Lucera sold 5,727 shares for $106,751 in open-market transactions on April 1, 2026.
- Director Brian Posner purchased 2,000 shares for $34,160 on March 30, 2026.
- Total cluster value is $140,911, representing just 0.0045% of Dyne Therapeutics' $3.1B market cap.
- Net direction is mixed, with $107K in sales and $34K in purchases by corporate insiders.
Financial Impact
$141K total insider activity, net $73K in selling over 7 days
Risk Factors
- CFO selling could signal caution ahead of a key clinical readout or financing need.
- Low trade volume limits interpretive power; activity may be routine portfolio management.
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-1775247052856 |
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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