DYN Dyne Therapeutics, Inc.
Price Chart
Executive Summary
Director Jason P. Rhodes sold $3.4M worth of DYN shares over a five-day window, with total insider selling of $3.4M representing 0.11% of the $3.0B market cap. While the dollar amount is modest relative to market cap, the concentrated selling by a single director at an average price of ~$18.80 (near recent highs) suggests potential profit-taking ahead of a catalyst or uncertainty. The cluster is amplified by the cross-filing context of insider trades and earnings context, but the historical calibration shows low observed probability of positive outcomes at this impact level, warranting a neutral-to-moderate score.
Key Financial Metrics
Actionable Insight
The concentrated selling by a single director over five days is notable but not alarming at 0.11% of market cap. Monitor for any upcoming earnings release or clinical data readout that could explain the timing. The historical calibration suggests limited predictive power at this impact level — treat as a cautionary signal rather than a definitive bearish indicator.
Key Facts
- Director Jason P. Rhodes sold 177,181 shares total across 4 open-market sales from April 22-27, 2026, for ~$3.36M
- Director Dirk Kersten sold 2,652 shares on April 22 for ~$53K
- Director David Charles Lubner gifted 53,625 shares on April 24 (non-cash, $0 value)
- Total open-market selling value: ~$3.42M, representing 0.11% of DYN's $3.0B market cap
- Insider selling cluster is amplified by cross-filing context (insider trades + earnings context), but historical calibration shows low observed probability of positive outcomes at score 4-6
Financial Impact
Total insider selling of $3.42M, or 0.11% of market cap — modest relative to company size
Risk Factors
- Director Rhodes sold near recent highs (~$18.80 avg), which could indicate insider concern about valuation or upcoming news
- No insider buying in the cluster to offset selling — one-sided selling pattern
- Cross-filing context amplifies the cluster, but historical calibration shows low win rate for bullish outcomes at this score
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-DYN-1777409838174 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 3, 2026
6d ago
|
8-K
| $17.99 $18.41 | ▲ +2.33% | ▲ +1.94% | $17.92 (−0.39%) |
|
Jun 3, 2026
6d ago
|
Press Release
| $17.99 $18.41 | ▲ +2.33% | ▲ +1.94% | $17.92 (−0.39%) |
|
May 20, 2026
20d ago
|
Press Release
| $17.37 $17.37 | · 0.00% | ▼ −0.45% | $17.92 (+3.17%) |
|
May 20, 2026
20d ago
|
Press Release
| $17.56 $17.37 | ▼ −1.08% | ▼ −1.28% | $17.92 (+2.05%) |
|
May 13, 2026
27d ago
|
144
| $18.28 $17.29 | ▼ −5.42% | ▼ −4.19% | $17.92 (−1.97%) |
|
May 13, 2026
27d ago
|
144
| $18.28 $17.29 | ▼ −5.42% | ▼ −4.19% | $17.92 (−1.97%) |
|
May 11, 2026
29d ago
|
8-K
| $18.46 $18.37 | ▼ −0.49% | ▼ −0.35% | $17.92 (−2.93%) |
|
May 6, 2026
4w ago
|
144
| $17.54 $17.61 | ▲ +0.40% | ▼ −0.43% | $17.92 (+2.17%) |
|
May 6, 2026
4w ago
|
144
| $17.54 $17.61 | ▲ +0.40% | ▼ −0.43% | $17.92 (+2.17%) |
|
May 4, 2026
5w ago
|
144
| $17.47 $18.84 | ▲ +7.84% | ▲ +6.46% | $17.92 (+2.58%) |
US Market Status
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