Douglas B. Snyder - 27 Feb 2025 Form 4 Insider Report for IDEAYA Biosciences, Inc. (IDYA)

Role: SVP, General Counsel
Signature: /s/ Andres Ruiz Briseno, as Attorney-in-Fact for Douglas B. Snyder
Issuer symbol: IDYA
Transactions as of: 27 Feb 2025
Net transactions value: $0
Form type: 4
Filing time: 28 Feb 2025, 18:00:54 UTC
Previous filing: 27 Sep 2024
SEC: View on sec.gov

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	IDYA	Stock Option (right to buy)	Award	$0	+33,000		$0.000000	33,000	27 Feb 2025	Common Stock	33,000	$20.24	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	25% of the shares subject to the option vest on the first anniversary measured from January 1, 2025 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.