0001826892 2026-10-15 2026-10-15 false 0001826892 NONE 8-K 2026-10-15 BIOATLA, INC. DE 001-39787 85-1922320 11085 Torreyana Road San Diego CA 92121 858 558-0708 false false false false Common Stock, $0.0001 par value per share BCAB false