BioAtla, Inc. — Director's Dealing 2020

Dec 16, 2020

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: BioAtla, Inc. (BCAB)
CIK: 0001826892
Period of Report: 2020-12-15

Reporting Person: Short Carolyn Anderson (See Remarks, 10% Owner)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	6220050	Indirect
Common Stock	138461	Direct
Common Stock	569230	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Series D Preferred Stock	$		Common Stock (2462254)		Indirect

Footnotes

F1: The reporting person and Jay M. Short are the managers of Himalaya Parent LLC and collectively make investment decisions on the behalf of the entity. The reporting person and Mr. Jay Short disclaim beneficial ownership of the reported securities except to the extent of his or her pecuniary interest therein.

F2: Includes 138,461 restricted stock units ("RSUs"). 50% of the RSUs vest on October 29, 2021, with the remainder vesting in 24 substantially equal monthly installments thereafter, subject to the reporting person's continued employment through the applicable vesting date.

F3: Includes 569,230 RSUs. 50% of the RSUs vest on October 29, 2021, with the remainder vesting in 24 substantially equal monthly installments thereafter, subject to the reporting person's spouse's continued employment through the applicable vesting date. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

F4: Each share of Series D Preferred Stock is convertible at any time, at the holder's election, into Common Stock, based on the then-applicable conversion rate and has no expiration date.

F5: The shares of Series D Preferred Stock will convert automatically into 2,462,254 shares of Common Stock upon the closing of the Issuer's initial public offering. These amounts reflect a 1-for-13 reverse stock split which became effective on December 2, 2020.