X0708 D LIVE 0001069308 Acer Therapeutics Inc. One Gateway Center, Suite 351 300 Washington Street Newton MA MASSACHUSETTS 02458 (844) 902-6100 DELAWARE Acer Reincorporation, Inc. Opexa Therapeutics, Inc. PharmaFrontiers Corp. PHARMAFRONTIERS CORP Corporation true 2018 Chris Schelling One Gateway Center, Suite 351 300 Washington Street Newton MA MASSACHUSETTS 02458 Executive Officer Director Stephen Aselage One Gateway Center, Suite 351 300 Washington Street Newton MA MASSACHUSETTS 02458 Director Michelle Griffin One Gateway Center, Suite 351 300 Washington Street Newton MA MASSACHUSETTS 02458 Director John M Dunn One Gateway Center, Suite 351 300 Washington Street Newton MA MASSACHUSETTS 02458 Director Jason Amello One Gateway Center, Suite 351 300 Washington Street Newton MA MASSACHUSETTS 02458 Director Donald R Joseph One Gateway Center, Suite 351 300 Washington Street Newton MA MASSACHUSETTS 02458 Executive Officer Harry S Palmin One Gateway Center, Suite 351 300 Washington Street Newton MA MASSACHUSETTS 02458 Executive Officer Matthew Seibt One Gateway Center, Suite 351 300 Washington Street Newton MA MASSACHUSETTS 02458 Executive Officer John Klopp One Gateway Center, Suite 351 300 Washington Street Newton MA MASSACHUSETTS 02458 Executive Officer Biotechnology Decline to Disclose 06b false 2020-07-24 false true false 0 857493 857493 0 false 5 0 0 0 false Acer Therapeutics Inc. /s/ Harry S. Palmin Harry S. Palmin Chief Operating Officer and Chief Financial Officer 2020-07-28