Adsett Roger 4
4 · INSMED Inc · Filed May 15, 2026
Research Summary
AI-generated summary of this filing
INSMED COO Roger Adsett Sells 5,837 Shares
What Happened
Roger Adsett, Chief Operating Officer of INSMED Inc. (INSM), sold 5,837 shares on May 13, 2026 at $116.18 per share, totaling approximately $678,143. The filing lists the transaction as an open market or private sale.
Key Details
- Transaction date and price: 2026-05-13 — 5,837 shares at $116.18 each (total ~$678,143).
- Transaction type/code: Sale (S); described in filing as open market or private sale.
- Footnote: Shares were sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units (RSUs) and to cover related broker fees.
- Shares owned after transaction: Not disclosed in this Form 4.
- Filing date: Form 4 filed 2026-05-15 — appears to be filed in the normal timeframe (no late filing indicated).
Context
This sale was reported as tax-withholding related to RSU vesting, a common administrative transaction that does not necessarily signal an insider's change in view of the company. For retail investors, purchases typically carry more informational weight than routine tax-related sales.
Insider Transaction Report
Form 4
INSMED IncINSM
Adsett Roger
Chief Operating Officer
Transactions
- Sale
Common Stock
[F1]2026-05-13$116.18/sh−5,837$678,143→ 100,973 total
Footnotes (1)
- [F1]Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees.
Signature
/s/ Roger Adsett, by Michael A. Smith as Attorney-in-fact|2026-05-15