Savara Inc — Director's Dealing 2013

Jun 21, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Mast Therapeutics, Inc. (MSTX)
CIK: 0001160308
Period of Report: 2013-06-19

Reporting Person: Culley Brian M (Director, CEO and Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-06-19	Employee Stock Option (Right to Buy)	$0.50	A	907300	Acquired	2023-06-19	Common Stock (907300)	Direct

Footnotes

F1: This option vests and becomes exercisable in 48 substantially equal monthly installments on each monthly anniversary of June 19, 2013, subject to the reporting person's continued service with the issuer.