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Insider Trading & Ownership of William Lewis

Location
Bridgewater, NJ
Summary
The estimated net worth of William Lewis is at least $83,161,808 dollars as of 05 Mar 2026. William Lewis is the Chair and CEO, Director of INSMED Inc and owns shares of INSMED Inc (INSM) stock worth about $82.8M. William Lewis is the Director of NewAmsterdam Pharma Co N.V. and owns shares of NewAmsterdam Pharma Co N.V. (NAMS) stock worth about $363.6K.
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 $82,798,222 -$38,460,155 -32% 05 Mar 2026
NAMS, NAMSW NewAmsterdam Pharma Co N.V. Director $363,586 07 Jan 2026

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.