Lewis William

Chair and CEO, DirectorINSMED Inc (INSM) · full profile →Form 4 · filed Mar 20, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$1.5M
Net Open-Market Flow
-$1.5M
Transactions
7
5 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 19, 2026Option exercise(M)4K$17.16$76K312K
Mar 19, 2026Option exercise(M)6K$30.46$191K307K
Mar 19, 2026Sell(S)2K$142.17$232K310K
Mar 19, 2026Sell(S)5K$143.42$651K306K
Mar 19, 2026Sell(S)5K$144.11$653K301K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 19, 2026Option exercise(M)6K$050K
Mar 19, 2026Option exercise(M)4K$036K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001402051-26-000020) within minutes of acceptance. Every field above traces to the original document. Verify it directly: