X0206 3 2020-07-09 0 0001661460 Poseida Therapeutics, Inc. PSTX 0001478916 Schmid John P. C/O POSEIDA THERAPEUTICS, INC. 9390 TOWNE CENTRE DRIVE, STE 200 SAN DIEGO CA 92121 1 0 0 0 Stock Option (Right to Buy) 11.997 2028-07-16 Common Stock 32076 D Stock Option (Right to Buy) 11.735 2029-06-19 Common Stock 16038 D 12.5% of the shares subject to the stock option vested and became exercisable on January 17, 2019, and the remaining shares subject to the stock option vest in 42 equal monthly installments thereafter. The stock option is fully vested and exercisable. /s/ Johanna M. Mylet, Attorney-in-Fact 2020-07-09