Lewis William

Chair and CEO, DirectorINSMED Inc (INSM) · full profile →Form 4 · filed May 20, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$2.7M
Net Open-Market Flow
-$2.7M
Transactions
7
5 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 18, 2026Option exercise(M)6K$30.46$191K294K
May 18, 2026Option exercise(M)4K$17.16$76K299K
May 18, 2026Sell(S)6K$105.32$606K293K
May 18, 2026Sell(S)12K$106.39$1.3M281K
May 18, 2026Sell(S)8K$106.97$853K273K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
May 18, 2026Option exercise(M)6K$025K
May 18, 2026Option exercise(M)4K$018K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001402051-26-000030) within minutes of acceptance. Every field above traces to the original document. Verify it directly: