BioAtla, Inc. — Director's Dealing 2025

Mar 13, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BioAtla, Inc. (BCAB)
CIK: 0001826892
Period of Report: 2025-03-12

Reporting Person: SHORT JAY M PHD (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-12	Common Stock	A	431000	—	Acquired	2256372	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	793547	Indirect
Common Stock	258727	Indirect
Common Stock	258727	Indirect
Common Stock	302324	Indirect
Common Stock	50	Indirect

Footnotes

F1: Represents shares of Common Stock underlying a time-based restricted stock unit award ("RSU"). The RSU will vest as to 25% of the total number of shares on March 11, 2026, and thereafter, 6.25% of the total number of shares subject to the RSU shall vest on the last day of each May, August, November and February so long as the reporting person remains a service provider.

F2: The Reporting Person and his spouse are the managers of Himalaya Parent LLC and collectively make investment decisions on the behalf of the entity. The Reporting Person and his spouse disclaim beneficial ownership of the reported securities except to the extent of his or her pecuniary interest therein.