SEC Form 4 · accession 0001402051-26-000032
INSMED Inc · INSM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
William Lewis
Officer — Chair and CEO · Director
Period of report
Jun 3, 2026
Accepted (ET)
Jun 5, 2026 · 4:12 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001104506
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jun 3, 2026 | S | 7,605 | $102.27 | D | 265,432 | D | |
| Common Stock | holding | — | — | — | 233,924 | I | By trust |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees.