BIOGEN INC. — Director's Dealing 2013

Jun 24, 2013

SEC Form 3/A — Form 3/A

Issuer: BIOGEN IDEC INC. (BIIB)
CIK: 0000875045
Period of Report: 2013-06-03

Reporting Person: Sandrock Alfred (Grp SVP, Chief Medical Officer)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$60.56	2018-02-12	Common Stock (15030)		Direct
Stock Option (Right to Buy)	$49.65	2019-02-23	Common Stock (9820)		Direct

Footnotes

F1: The stock options became exercisable in four (4) equal annual installments commencing one year after the grant date of 02/12/08.

F2: This amendment is being filed for the sole purpose of correcting the expiration date, which was incorrectly stated on the original Form 3.

F3: The stock options became exercisable in four (4) equal annual installments commencing one year after the grant date of 02/24/09.