MarketPeel
Insider Trading Intelligence
Pricing
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Chair and CEO
Lewis William
Thu, Mar 5, 2026
Mar 5
sold $313.97k of INSM
2,128 shares @ $147.54
Decreased holdings by -0.70%
128th largest trade (out of 444)
Trade made by an officer
10b5-1 scheduled trade
50% win rate · +1.4% median edge vs SPY (181 trades, 90-day)
INSMINSMED Inc
HealthcareBiotechnology
1D0.00%
1W+7.95%
1M+6.37%
3M—
6M—
1Y—

Recent insider activity at INSM

Jun 25Lewis WilliamSold$189.29kJun 25Lewis WilliamSold$388.23kJun 25Lewis WilliamSold$258.54kJun 25Lewis WilliamSold$137.30kJun 25Lewis WilliamSold$1.24mJun 22Smith Michael AlexanderSold$173.05kJun 8Lewis WilliamSold$612.61kJun 5Flammer Martina M.D.Sold$192.82k
Full INSM profile →Lewis William’s trading history →
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