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Insider Trading & Ownership of William Lewis

Location
Bridgewater, NJ
Summary
The estimated net worth of William Lewis is at least $109,896,383 dollars as of 06 Jan 2026. William Lewis is the Chair and CEO, Director of INSMED Inc and owns shares of INSMED Inc (INSM) stock worth about $109.72M. William Lewis is the Director of NewAmsterdam Pharma Co N.V. and owns shares of NewAmsterdam Pharma Co N.V. (NAMS) stock worth about $177.7K.
Signature
/s/ William Lewis, by Michael A. Smith as Attorney-in-fact
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Ownership of William Lewis

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
INSM INSMED Inc Chair and CEO, Director $109,718,646 -$44,353,223 -29% 02 Jan 2026
NAMS, NAMSW NewAmsterdam Pharma Co N.V. Director $177,737 06 Jan 2025

Insider Transactions Reported by William Lewis:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.