Paul A. Stone - 13 Apr 2023 Form 4 Insider Report for IDEAYA Biosciences, Inc. (IDYA)

Role: Chief Financial Officer
Signature: /s/ Jason Throne, as Attorney-in-Fact for Paul A. Stone
Issuer symbol: IDYA
Transactions as of: 13 Apr 2023
Net transactions value: +$36,960
Form type: 4
Filing time: 14 Apr 2023, 13:20:15 UTC
Previous filing: 28 Feb 2023
Next filing: 11 Aug 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IDYA	Common Stock	Options Exercise	$36,960	+8,000	+58%	$4.62^*	21,803	13 Apr 2023	Direct	F2

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)	Options Exercise	$0	-8,000	-5.8%	$0.000000	129,832	13 Apr 2023	Common Stock	8,000	$4.62	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The shares subject to the option are fully vested and exercisable.
F2	The amount reported herein has been adjusted to correct an error in Column 5 of Table I in a Form 4 previously filed on April 14, 2022.