Institutional Ownership
Insmed Inc
CUSIP 457669307COM PAR $.01INSMQ1 2026
Insider Transactions
165
Form 4 lines on record
Reporting Insiders
13
Distinct officers & directors
90d Buys
0
Open-market purchase shares
90d Sells
176.9K
Open-market sale shares
Insider Transactions — Form 4
165 reported transactions
| # | Date | Insider | Title | Type | Shares | Price | Value | Held After | Filing |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Jul 23, 2026 | Lewis William | Chair and CEO | M · Option Exercise | 6.3K | $30.46 | $190.7K | 265.3K | SEC |
| 2 | Jul 23, 2026 | Lewis William | Chair and CEO | M · Option Exercise | 4.4K | $17.16 | $76.2K | 269.8K | SEC |
| 3 | Jul 23, 2026 | Lewis William | Chair and CEO | S · Sell | 4.8K | $105.62 | $509.9K | 264.9K | SEC |
| 4 | Jul 23, 2026 | Lewis William | Chair and CEO | S · Sell | 5.9K | $106.43 | $625.0K | 259.1K | SEC |
| 5 | Jul 23, 2026 | Lewis William | Chair and CEO | M · Option Exercise | 6.3K | — | — | 0 | SEC |
| 6 | Jul 23, 2026 | Lewis William | Chair and CEO | M · Option Exercise | 4.4K | — | — | 0 | SEC |
| 7 | Jul 9, 2026 | Lewis William | Chair and CEO | M · Option Exercise | 6.3K | $30.46 | $190.6K | 265.3K | SEC |
| 8 | Jul 9, 2026 | Lewis William | Chair and CEO | M · Option Exercise | 4.4K | $17.16 | $76.2K | 269.8K | SEC |
| 9 | Jul 9, 2026 | Lewis William | Chair and CEO | S · Sell | 5.0K | $116.55 | $583.3K | 264.8K | SEC |
| 10 | Jul 9, 2026 | Lewis William | Chair and CEO | S · Sell | 2.3K | $117.62 | $274.6K | 262.4K | SEC |
155 more insider transactions on Premium
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