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Who is the largest shareholder of INSM?
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Who is the largest shareholder of INSM?
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INSM Ownership & Insider Activity

Institutional Ownership

Top Holders

HolderSharesValue
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A

Recent Insider Trades

NameTypeSharesDate
Smith Michael Alexander6.1K2026-05-22
Lewis William11.8K2026-05-18
Lewis William6.3K2026-05-18
Lewis William5.8K2026-05-18
Lewis William6.3K2026-05-18
Lewis William8.0K2026-05-18
Flammer Martina M.D.10.5K2026-05-14
SCHAFER CAROL3.3K2026-05-13
SHAROKY MELVIN MD3.3K2026-05-13
Desjardins Clarissa3.3K2026-05-13

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms