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Total Value
$1.7M
Net $1.1M sold
Filing Date
Jul 24, 2026
2 transactions
Sales
$1.1M
2 transactions
Trade Summary
On Jul 23, 2026, Lewis William, Chair and CEO, Director, sold $1.7M of INSMED Inc (INSM) across 2 transactions. The filing covers Common Stock and reflects net selling of $1.1M. Reported prices ranged from $17.16 to $106.43. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.
Company Information
- Company Name
- INSMED Inc
- Ticker Symbol
- INSM
- CIK
- 0001104506
Insider Information
- Name
- Lewis William
- Role
- Chair and CEO, Director
- Location
- BRIDGEWATER, NJ
Filing Details
- Filing Date
- Jul 24, 2026
- Transaction Date
- Jul 23, 2026
- Accession Number
- 0001402051-26-000042
- Form Type
- 4
- Net Trading Amount
- -$1.1M
Non-Derivative Transactions
| Date | Security | Shares | Price | Type | Value |
|---|---|---|---|---|---|
| Jul 23, 2026 | Common Stock | 6,260 | $30.46 | Exercise | $190.7K |
| Jul 23, 2026 | Common Stock | 4,440 | $17.16 | Exercise | $76.2K |
| Jul 23, 2026 | Common Stock | 4,828 | $105.62 | Sale | $509.9K |
| Jul 23, 2026 | Common Stock | 5,872 | $106.43 | Sale | $625.0K |
Derivative Transactions
| Date | Security | Shares | Exercise Price | Type | Value |
|---|---|---|---|---|---|
| Jul 23, 2026 | INSM derivative | 6,260 | $30.46 | Exercise | $190.7K |
| Jul 23, 2026 | INSM derivative | 4,440 | $17.16 | Exercise | $76.2K |
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Footnotes
- (F1)This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.
- (F2)This is the weighted average sales price representing 4,828 shares sold at prices ranging from $105.09 to $106.02 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request.
- (F3)This is the weighted average sales price representing 5,872 shares sold at prices ranging from $106.09 to $106.78 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request.
- (F4)The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant.