RA Capital Nexus Fund III, L.P. bought $7.4M of MLYS

bought $7.35m of MLYS

310,700 shares @ $23.67

Increased holdings by +5.70%

14th largest trade (out of 124)

Large TradeCluster BuyPositive 90D History

Trade made by a director

Part of a cluster of 10 transactions by 6 insiders

Unscheduled trade

68% win rate · +6.2% median edge vs SPY (63 trades, 90-day)

Price 19% below 200-day moving average

Small Cap stock — insider trades carry more weight

MLYSMineralys Therapeutics, Inc.

HealthcareBiotechnology

1D0.00%

1W+3.79%

1M+10.54%

3M—

6M—

1Y—

Recent insider activity at MLYS