0001826892 2026-09-23 2026-09-23 0001826892 false NONE 8-K 2026-09-23 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