INSMED Inc — Director's Dealing 2015

May 26, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INSMED Inc (INSM)
CIK: 0001104506
Period of Report: 2015-05-21

Reporting Person: SULLIVAN EUGENE JEFFREY (Chief Medical Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-05-21	Stock Option	$22.76	A	30000	Acquired	2025-05-21	Common Stock (30000)	Direct

Footnotes

F1: Stock options granted under the Company's 2015 Incentive Plan. The options become exercisable based on the following vesting schedule: twenty five percent (25%) on the first anniversary of the grant date and an additional twelve and one half percent (12.5%) vest on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant.