William Lewis

Chair and CEO of Insmed

As of Nov 9, 2026: William Lewis (CEO, INSM) reported 1 sale for $778K in the last 12 months (Form 4). INSM's Quality Score is 5. Scores as of 8:53 AM ET, 15 minutes behind.

1 stock trade in the last 12 months, shares they bought or sold themselves (not grants or options).

Bought$012 months Sold$778K12 months Last filedJun 5a sale

From SEC Form 4s · Insiders have 2 business days to file a trade

Every trade William Lewis reported

Newest first, as filed

Stock	Trade	Amount	Trade	Shares	Traded
INSMInsmed	Sell	$778Kat $102.27	Sell$778Kat $102.27	7,605 at $102.27	Jun 3filed Jun 5SEC filing

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William Lewis' companies

Where William Lewis files, with the stock's Quality Score

Stock	Title, as filed	Trades	Quality Score
INSMInsmedCEO	Chair and CEOtitle as of Jun 5	1	5

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Kept by Andrew Gomes, Breakaway's founder, from the SEC's Form 4 filings. Updated Jun 5, 2026.

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Breakaway, William Lewis: Chair and CEO at Insmed (INSM), Jun 5, 2026, getbreakaway.com/insiders/william-lewis-insm

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William Lewis

Every trade William Lewis reported

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