IDEAYA Biosciences, Inc. 4

Director Malcolm Garret Hampton received a stock option award for 20,000 shares of IDEAYA Biosciences, Inc. common stock at a $30.57 exercise price.

On June 16, 2026, director Malcolm Garret Hampton of IDEAYA Biosciences, Inc. received a stock option award to purchase 20,000 shares of common stock at an exercise price of $30.57 per share, with the option vesting in full 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 equity grant, valued at approximately $611,400 based on the exercise price, increased his derivative holdings by 20,000 option shares, and upon exercise would correspond to ownership of 20,000 additional shares of common stock. The filing reflects a routine board compensation grant rather than an open-market purchase or sale.

Filing Facts

CIK

1676725

Ticker

IDYA

Form

4

Source Type

sec

Accession

0001610717-26-000259

Alert Tier

5