BioAtla, Inc. Form 4 Filing

Christian Vasquez, Chief Financial Officer of BioAtla, Inc., reported a transaction on August 31, 2026, involving 71 shares of Common Stock. The transaction code "F" and footnote F1 indicate that these shares were withheld by the Issuer to cover income tax and withholding obligations related to the vesting and net settlement of restricted stock units, rather than a sale. The reported price per share was $1.69, resulting in a post-transaction ownership of 10,476 shares. Footnote F2 notes that this total includes shares acquired through the Issuer's Employee Stock Purchase Plan (ESPP).