X0206 3 2020-12-15 0 0001826892 BioAtla, Inc. BCAB 0001835225 Moran Susan C/O BIOATLA, INC. 11085 TORREYANA ROAD SAN DIEGO CA 92121 1 0 0 0 Common Stock 12307 D Includes 12,307 restricted stock units ("RSUs"). 33.33% of the RSUs vest on December 7, 2021, with the remainder vesting in 24 substantially equal monthly installments thereafter, subject to the reporting person's continued employment through the applicable vesting date. Exhibit List Exhibit 24 - Power of Attorney /s/ Susan Moran 2020-12-15