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AFTER HRS · 19:05 ET
Market ClerkRecap
Wed Oct 21 · after hours2 signals today106 insider buys this week · $305.5MCIRO short report next: Oct 31The week ahead

INSM

INSMED Inc
NASDAQ · HEALTH CARE · PHARMACEUTICAL PREPARATIONS
95.03
−0.64 −0.67%
USD · close Oct 21

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Short interest

FINRA · TWICE MONTHLY
Report dateShares shortChange% of shares outAvg daily volumeDays to cover
2026-08-3111.4M+548K5.24%1.7M6.9
2026-08-1410.9M−458K4.99%4.1M2.7
2026-07-3111.4M−274K5.20%2.2M5.1
2026-07-1511.6M−4.4M5.32%2.4M4.8

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