X0508 4 2024-03-27 0 0001607678 Viking Therapeutics, Inc. VKTX 0001264949 ZANTE GREG C/O VIKING THERAPEUTICS, INC. 9920 PACIFIC HEIGHTS BLVD, SUITE 350 SAN DIEGO CA 92121 0 1 0 0 Chief Financial Officer 0 Common Stock, par value $0.00001 per share 2024-03-27 4 A 0 31667 0.00 A 223971 D Common Stock, par value $0.00001 per share 2024-03-27 4 F 0 16610 83.34 D 207361 D The reported securities were subject to a performance restricted stock unit award that was granted on January 3, 2023, 33.33% of which vested on March 27, 2024 upon the achievement of a non-financial performance goal. These shares were withheld by the Issuer in order to satisfy certain tax withholding obligations in connection with the issuance of shares upon the vesting of certain shares of common stock subject to certain performance restricted stock units. /s/ Michael Morneau, as Attorney-in-Fact 2024-03-27