Arkolith/Insider Trading/INSM/Form 4

Lewis William

Chair and CEO, DirectorINSMED Inc (INSM) · full profile →Form 4 · filed Apr 17, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$1.5M
Net Open-Market Flow
-$1.5M
Transactions
8
6 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Apr 16, 2026Option exercise(M)6K$30.46$191K307K
Apr 16, 2026Option exercise(M)4K$17.16$76K312K
Apr 16, 2026Sell(S)2K$142.99$321K310K
Apr 16, 2026Sell(S)5K$143.81$773K304K
Apr 16, 2026Sell(S)2K$144.66$326K302K
Apr 16, 2026Sell(S)825$145.79$120K301K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Apr 16, 2026Option exercise(M)6K—$038K
Apr 16, 2026Option exercise(M)4K—$027K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001402051-26-000024) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML