INSMED Inc — Director's Dealing 2011

Mar 25, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INSMED INC (INSM)
CIK: 0001104506
Period of Report: 2011-03-23

Reporting Person: ENGELSEN STEINAR J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-23	Common Stock	P	80000	$5.004	Acquired	106652	Direct
2011-03-24	Common Stock	P	29337	$5.244	Acquired	135989	Direct

Footnotes

F1: Purchase prices ranged from $4.80 to $5.149; $5.004 was the average price paid for the 80,000 shares purchased.

F2: Purchase prices ranged from $5.18 to $5.30; $5.244 was the average price paid for the 29,337shares purchased.