INSMED Inc — Director's Dealing 2025

May 19, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INSMED Inc (INSM)
CIK: 0001104506
Period of Report: 2025-05-15

Reporting Person: SCHAFER CAROL (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-15	Common Stock	A	5058	—	Acquired	63317	Direct

Footnotes

F1: Represents Restricted Stock Units (RSUs), each representing a contingent right to receive one share of Common Stock. The RSUs have a one year cliff vesting period, provided that the director (a) remains a member of the Board of Directors of the issuer on such vesting date, and (b) attends at least 75% of the meetings of the Board of Directors which take place between the grant date and the first anniversary of the grant date.

F2: Each RSU was granted on May 15, 2025 for no consideration.