INSMED Inc — Director's Dealing 2013

Jan 15, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INSMED INC (INSM)
CIK: 0001104506
Period of Report: 2013-01-11

Reporting Person: HAYDEN DONALD J JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-01-14	Common Stock	M	15988	—	Acquired	43582	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-01-14	Restricted Stock Units	$	M	15988	Disposed		Common Stock (15988)	Direct
2013-01-11	Restricted Stock Units	$	A	8955	Acquired		Common Stock (8955)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Non-Qualified Stock Option (right to buy)	$		Common Stock (85000)	85000	Direct

Footnotes

F1: Each Restricted Stock Unit represents a contingent right to receive one share of Common Stock.

F2: The RSU's have a one year cliff vesting period, provided that the director attends at least 75% of the meetings of the Board. Vested shares are delivered within 30 days of vesting date.

F3: Amounts represents grants outstanding from previous transactions.