SELLAS Life Sciences Group, Inc. — Director's Dealing 2013

May 1, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Galena Biopharma, Inc. (GALE)
CIK: 0001390478
Period of Report: 2013-04-26

Reporting Person: Ashton William (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-04-26	Stock Option (right to buy)	$2.54	A	100000	Acquired	2023-04-26	Common Stock (100000)	Direct

Footnotes

F1: Granted pursuant to the Issuer's Amended and Restated 2007 Incentive Plan.

F2: The option will vest in equal quarterly installments of 25,000 shares on each of July 26, 2013, October 26, 2013, January 26, 2014 and April 26, 2014.