PFIZER INC — Director's Dealing 2020

Dec 22, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BioAtla, Inc. (BCAB)
CIK: 0001826892
Period of Report: 2020-12-18

Reporting Person: PFIZER INC (10% Owner)
Reporting Person: Pfizer Ventures (US) LLC (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-12-18	Common Stock	C	2238090	—	Acquired	2238090	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-12-18	Series D Convertible Preferred Stock	$	C	2238090	Disposed		Common Stock (2238090)	Indirect

Footnotes

F1: Each share of Series D Convertible Preferred Stock automatically converted into shares of the Issuer's Common Stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering, for no additional consideration. The Series D Convertible Preferred Stock had no expiration date.

F2: Such shares are held of record by Pfizer Ventures (US) LLC, a wholly-owned subsidiary of Pfizer Inc.