INSMED Inc — Director's Dealing 2013

Mar 22, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INSMED INC (INSM)
CIK: 0001104506
Period of Report: 2013-03-20

Reporting Person: Drechsler Andrew T (Chief Financial Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-03-20	Stock Option-Right to Buy	$6.90	A	50000	Acquired		Common Stock (50000)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option-Right to Buy	$6.65		Common Stock (175000)	175000	Direct

Footnotes

F1: These options shall become exercisable with respect to 25% of the shares of common stock subject to this grant on November 7, 2013, the first anniversary of the date of grant, and with respect to an additional 12.5% of the shares of common stock subject to this grant on each sixth month anniversary of November 7, 2013 thereafter through November 7, 2016.

F2: These options shall become exercisable upon the fulfillment of certain performance criteria.