8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 21, 2023

IDEAYA Biosciences, Inc.

(Exact name of registrant as specified in its charter)

Delaware	001-38915	47-4268251
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification Number)

7000 Shoreline Court, Suite 350

South San Francisco, California 94080

(Address of principal executive offices, including Zip Code)

Registrant’s telephone number, including area code: (650) 443-6209

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, $0.0001 par value per share	IDYA	The Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☒

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On September 21, 2023, Paul A. Stone informed IDEAYA Biosciences, Inc. (the “Company”), of his voluntary resignation from his position as Chief Financial Officer of the Company. Mr. Stone’s resignation will be effective as of November 10, 2023, which the Company expects to be after the completion of the filing of the Company’s Form 10-Q for the third quarter. Mr. Stone resigned to pursue other business opportunities and his resignation is not related to any disagreement with the Company on any matter relating to the Company’s operations, policies or practices.

Andres Ruiz Briseno, Senior Vice President, Head of Finance and Investor Relations, remains principal accounting officer for the Company and will continue to lead the finance and investor relations functions at the Company.

Forward-Looking Statements

This Form 8-K contains forward-looking statements, including, but not limited to, statements related to the timing of filing of the Company’s Form 10-Q. IDEAYA undertakes no obligation to update or revise any forward-looking statements. For a further description of the risks and uncertainties that could cause actual results to differ from those expressed in these forward-looking statements, as well as risks relating to the business of IDEAYA in general, see IDEAYA’s Quarterly Report on Form 10-Q filed on August 10, 2023 and any current and periodic reports filed with the U.S. Securities and Exchange Commission.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	IDEAYA BIOSCIENCES, INC.
Date: September 26, 2023	By:	/s/ Yujiro Hata
		Yujiro Hata
		President and Chief Executive Officer

XML

Document and Entity Information	Sep. 21, 2023
Cover [Abstract]
Security Exchange Name	NASDAQ
Amendment Flag	false
Entity Central Index Key	0001676725
Document Type	8-K
Document Period End Date	Sep. 21, 2023
Entity Registrant Name	IDEAYA Biosciences, Inc.
Entity Incorporation State Country Code	DE
Entity File Number	001-38915
Entity Tax Identification Number	47-4268251
Entity Address, Address Line One	7000 Shoreline Court
Entity Address, Address Line Two	Suite 350
Entity Address, City or Town	South San Francisco
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94080
City Area Code	(650)
Local Phone Number	443-6209
Written Communications	false
Soliciting Material	false
Pre Commencement Tender Offer	false
Pre Commencement Issuer Tender Offer	false
Security 12b Title	Common Stock, $0.0001 par value per share
Trading Symbol	IDYA
Entity Emerging Growth Company	true
Entity Ex Transition Period	true