SEC Form 4 · accession 0001796960-26-000016
INSMED Inc · INSM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Martina Flammer M.D.
Officer — Chief Medical Officer
Period of report
Jun 3, 2026
Accepted (ET)
Jun 5, 2026 · 4:11 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
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 | 2,566 | $102.27 | D | 62,344 | D | |
| Common Stock | Jun 5, 2026 | S | 1,858 | $103.78 | D | 60,486 | D |
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.
- F2This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on February 27, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.