BioAtla, Inc. — Director's Dealing 2021

Dec 1, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BioAtla, Inc. (BCAB)
CIK: 0001826892
Period of Report: 2021-11-22

Reporting Person: Sievers Eric (Chief Medical Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-22	Common Stock	S	118	$26.235	Disposed	93056	Direct
2021-11-23	Common Stock	S	119	$24.285	Disposed	92937	Direct
2021-11-23	Common Stock	S	68	$26.035	Disposed	92869	Direct
2021-11-24	Common Stock	S	48	$24.053	Disposed	92821	Direct
2021-11-24	Common Stock	S	44	$24.999	Disposed	92777	Direct
2021-11-24	Common Stock	S	37	$25.771	Disposed	92740	Direct

Footnotes

F1: Represents shares of the Issuer's common stock sold by the reporting person to cover taxes due upon the release and settlement of the vested RSUs.

F2: The range of prices for the shares of Common Stock is from $25.83 to $26.75. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

F3: The range of prices for the shares of Common Stock is from $23.82 to $24.79. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

F4: The range of prices for the shares of Common Stock is from $24.85 to $25.70. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

F5: The range of prices for the shares of Common Stock is from $23.48 to $24.32. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

F6: The range of prices for the shares of Common Stock is from $24.48 to $25.42. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

F7: The range of prices for the shares of Common Stock is from $25.57 to $26.14. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.