More Cosciens Biopharma Inc. news Cosciens Biopharma Inc.TSX: CSCI Aeterna Zentaris Announces Exercise of Last Series B Warrants Covered by November 1, 2015 Agreement Nov 24, 2015 at 1:30 PM UTC · Issued by Cosciens Biopharma Inc. As issuedPlain English Philip Theodore, Senior Vice President, ptheodore@aezsinc.comCopyright CNW Group 2015