0001209191-17-005130.txt : 20170123 0001209191-17-005130.hdr.sgml : 20170123 20170123171835 ACCESSION NUMBER: 0001209191-17-005130 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170120 FILED AS OF DATE: 20170123 DATE AS OF CHANGE: 20170123 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Mast Therapeutics, Inc. CENTRAL INDEX KEY: 0001160308 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 841318182 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 3611 VALLEY CENTRE DRIVE STREET 2: SUITE 500 CITY: SAN DIEGO STATE: CA ZIP: 92130 BUSINESS PHONE: 8585520866 MAIL ADDRESS: STREET 1: 3611 VALLEY CENTRE DRIVE STREET 2: SUITE 500 CITY: SAN DIEGO STATE: CA ZIP: 92130 FORMER COMPANY: FORMER CONFORMED NAME: ADVENTRX PHARMACEUTICALS INC DATE OF NAME CHANGE: 20030613 FORMER COMPANY: FORMER CONFORMED NAME: BIOKEYS PHARMACEUTICALS INC DATE OF NAME CHANGE: 20010928 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Culley Brian M CENTRAL INDEX KEY: 0001310683 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32157 FILM NUMBER: 17541694 MAIL ADDRESS: STREET 1: 6725 MESA RIDGE ROAD STREET 2: SUITE 100 CITY: SAN DIEGO STATE: CA ZIP: 92121 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2017-01-20 0 0001160308 Mast Therapeutics, Inc. MSTX 0001310683 Culley Brian M 3611 VALLEY CENTRE DRIVE, SUITE 500 SAN DIEGO CA 92130 1 1 0 0 CEO and Director Restricted Stock Units 2017-01-20 4 A 0 2368194 0.00 A Common Stock 2368194 2368194 D Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. The restricted stock units vest in full upon consummation of the merger transaction contemplated by the Agreement and Plan of Merger, dated January 6, 2017, by and among the issuer, Savara Inc., and Victoria Merger Corp. (provided such event occurs on or before July 6, 2017). /s/ Brian M. Culley 2017-01-23