Joshua T. Brumm sold $329K of DYN

sold $328.53k of DYN

16,026 shares @ $20.50

Decreased holdings by -2.70%

18th largest trade (out of 84)

Cluster BuyPositive 90D History

Trade made by an officer

Part of a cluster of 8 transactions by 5 insiders

10b5-1 scheduled trade

71% win rate · +15.9% median edge vs SPY (14 trades, 90-day · small sample)

Price 36% above 200-day moving average

Small Cap stock — insider trades carry more weight

DYNDyne Therapeutics, Inc.

HealthcareBiotechnology

1D0.00%

1W+10.17%

1M+35.39%

3M+25.72%

6M—

1Y—

Recent insider activity at DYN