Sara Bonstein - 03 Feb 2026 Form 4 Insider Report for INSMED Inc (INSM)

Signature
/s/ Sara Bonstein, by Michael A. Smith as Attorney-in-fact
Issuer symbol
INSM
Transactions as of
03 Feb 2026
Net transactions value
-$116,942
Form type
4
Filing time
04 Feb 2026, 16:19:42 UTC
Previous filing
08 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bonstein Sara Chief Financial Officer 700 US HIGHWAY 202/206, BRIDGEWATER /s/ Sara Bonstein, by Michael A. Smith as Attorney-in-fact 04 Feb 2026 0001604019

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction INSM Common Stock Sale $116,942 -748 -0.93% $156.34 79,758 03 Feb 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees.