Black Diamond Therapeutics (NASDAQ: BDTX) CMO awarded 250,000 stock options at $2.57

Rhea-AI Filing Summary

Black Diamond Therapeutics, Inc. reported that its chief medical officer, Sergey Yurasov, received a grant of stock options covering 250,000 shares of common stock on January 21, 2026. The options have an exercise price of $2.57 per share and were awarded at no cost for the options themselves.

According to the vesting terms, 25% of the option shares will vest and become exercisable on January 21, 2027, with the remaining shares vesting in 36 equal monthly installments after that date, contingent on Dr. Yurasov’s continued service. Following this grant, he holds stock options for 250,000 derivative securities directly.

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

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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^*

Yurasov Sergey

(Last) (First) (Middle)

C/O BLACK DIAMOND THERAPEUTICS, INC.

245 FIRST STREET, 18TH FLOOR

(Street)

CAMBRIDGE MA 02142

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Black Diamond Therapeutics, Inc. [ BDTX ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
01/21/2026

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

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
Stock Option (Right to Buy)	$2.57	01/21/2026		A		250,000		(1)	01/20/2036	Common Stock	250,000	$0	250,000	D

Explanation of Responses:

1. 25% of the shares subject to this option shall vest and become exercisable on January 21, 2027, with the remainder vesting in 36 equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date.

	/s/ Brent Hatzis-Schoch, Attorney-in-Fact	01/23/2026
	** 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.

FAQ

What insider transaction did BDTX disclose for Sergey Yurasov?

Black Diamond Therapeutics disclosed that Sergey Yurasov, its chief medical officer, received a grant of stock options for 250,000 shares of common stock on January 21, 2026.

What is the exercise price of the new BDTX stock options?

The granted stock options have an exercise price of $2.57 per share for Black Diamond Therapeutics’ common stock.

How do the 250,000 BDTX options granted to the CMO vest?

25% of the shares under the option vest on January 21, 2027, and the remaining shares vest in 36 equal monthly installments thereafter, subject to the chief medical officer’s continued service.

Did Sergey Yurasov pay for the BDTX stock option grant?

The filing shows a grant of 250,000 stock options with a price of derivative security of $0, meaning there was no purchase price for the options themselves, though the $2.57 exercise price applies when exercising.

How many BDTX derivative securities does the CMO hold after this transaction?

After this grant, the chief medical officer beneficially owns 250,000 derivative securities in the form of stock options, held directly.

What role does the reporting person hold at Black Diamond Therapeutics (BDTX)?

The reporting person, Sergey Yurasov, serves as chief medical officer of Black Diamond Therapeutics, Inc., according to the filing.