BioAtla Board Member Increases Stake to 321K Shares Through RSU Award

Rhea-AI Filing Summary

BioAtla Director Scott Andrew Smith received a significant equity grant on June 18, 2025, consisting of 23,500 restricted stock units (RSUs). The RSUs were granted at $0 cost and will fully vest on the earlier of June 18, 2026, or the next annual stockholder meeting, contingent on Smith's continued service.

Following this transaction, Smith's direct beneficial ownership increased to 321,550 shares. This equity award appears to be part of the company's director compensation program, aligning the director's interests with shareholders through a one-year vesting schedule.

• Transaction Type: RSU Grant (Non-derivative securities)
• Reporting Person Role: Director
• Vesting Terms: 100% after one year or next annual meeting
• Filing Type: Form 4 (Statement of Changes in Beneficial Ownership)

Insider Trade Summary

Net Buyer: 23,500 shares

Net Buy 1 txn

Insider Smith Scott Andrew

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	23,500	$0.00	$0.00

Holdings After Transaction: Common Stock — 321,550 shares (Direct)

Footnotes (1)

1. F1. Represents shares of Common Stock underlying a time-based restricted stock unit award ("RSU"). The RSU will vest as to 100% of the total number of shares on the earlier of (i) June 18, 2026, or (ii) the next Company annual meeting of stockholders, subject to the reporting person's continued service through the vesting date.

FAQ

How many shares did BCAB director Scott Smith acquire on June 18, 2025?

Scott Smith acquired 23,500 shares of BCAB common stock through a restricted stock unit (RSU) award on June 18, 2025.

What is the vesting schedule for Scott Smith's BCAB RSU grant?

The RSU will vest 100% of the shares (23,500) on the earlier of: (i) June 18, 2026, or (ii) BioAtla's next annual meeting of stockholders, subject to Smith's continued service through the vesting date.

How many BCAB shares does Scott Smith own after the June 18, 2025 transaction?

Following the RSU grant, Scott Smith beneficially owns 321,550 shares of BioAtla (BCAB) common stock directly.

What was the purchase price of BCAB shares in Scott Smith's RSU grant?

The RSU grant was awarded at $0 cost to Scott Smith, as indicated by the $0 price in the transaction details.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 06/18/2025 - 07:42 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Smith Scott Andrew

(Last) (First) (Middle)

C/O BIOATLA, INC. 11085 TORREYANA ROAD

(Street)

SAN DIEGO CA 92121

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
BioAtla, Inc. [ BCAB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
06/18/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/18/2025		A		23,500(1)	A	$0	321,550	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares of Common Stock underlying a time-based restricted stock unit award ("RSU"). The RSU will vest as to 100% of the total number of shares on the earlier of (i) June 18, 2026, or (ii) the next Company annual meeting of stockholders, subject to the reporting person's continued service through the vesting date.

	/s/ Christian Vasquez, as Attorney-in-Fact for Scott Smith	06/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.