INSMED Inc — Director's Dealing 2017

May 19, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INSMED Inc (INSM)
CIK: 0001104506
Period of Report: 2017-05-17

Reporting Person: SULLIVAN EUGENE JEFFREY (Chief Med. & Scientific Ofc.)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-17	Stock Option	$17.16	A	33300	Acquired	2027-05-17	Common Stock (33300)	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.