Form 4 Filing for BioAtla, Inc. - Officer Transactions

This filing details transactions made by Christian Vasquez, Chief Financial Officer of BioAtla, Inc. (BCAB). On March 11, 2026, 175 shares of Common Stock were disposed of with a price of $0.169 per share. On May 31, 2026, 82 shares of Common Stock were disposed of at a price of $3.93 per share. Footnote F1 clarifies that these disposals were not sales but rather shares withheld by the Issuer to cover tax obligations related to the vesting and net settlement of restricted stock units. Footnote F2 indicates that the reported share amounts have been adjusted to reflect a 50-for-1 share consolidation effective April 6, 2026. Post-transaction, Vasquez holds 10,347 shares.