IDEAYA Biosciences, Inc. 4

Director Catherine J. Mackey was awarded stock options for 20,000 shares of IDEAYA Biosciences, Inc. common stock at a $30.57 exercise price as director compensation.

On June 16, 2026, director Catherine J. Mackey received a grant of stock options to purchase 20,000 shares of IDEAYA Biosciences, Inc. common stock at an exercise price of $30.57 per share, with all options vesting on the earlier of the first anniversary of the grant date or immediately prior to the next Annual Meeting, contingent on continued board service. This is a routine board compensation award and not an open-market purchase or sale. Assuming full vesting and using the strike price as a proxy for value, the option grant represents an implied award value of approximately $611,400, and will increase her beneficial ownership as options become exercisable.

Filing Facts

CIK

1676725

Ticker

IDYA

Form

4

Source Type

sec

Accession

0001610717-26-000260

Alert Tier

5