144 0001243514 XXXXXXXX LIVE 0001607678 Viking Therapeutics, Inc. 001-37355 9920 PACIFIC HEIGHTS BLVD, SUITE 350 SAN DIEGO CA 92121 858-704-4660 SINGLETON J MATTHEW Director common Oppenheimer & Co Inc

85 Broad Street New York NY 10004

10300 715850.00 110796200 09/20/2024 NASDAQ common 01/03/2017 NQSO Issuer N 16000 01/03/2017 N/A N J. Matthew Singleton

9920 Pacific Heights Blvd San Deigo CA 92121

common 08/14/2024 20786 1195735.00 J. Matthew Singleton

9920 Pacific Heights Blvd San Diego CA 92121

common 08/19/2024 16000 995360.00 J. Matthew Singleton

Pacific Heights Blvd San Diego CA 92121

common 08/21/2024 5700 397404.00 9/20 sale pursuant to a 10b5-1 trading plan on file dated 5/16/2024 09/20/2024 05/16/2024 J. Matthew Singleton