IDEAYA Biosciences, Inc. 4

Director Terry J. Rosen received a stock option award for 20,000 shares of IDEAYA Biosciences, Inc. common stock at an exercise price of $30.57 per share.

On June 16, 2026, director Terry J. Rosen received a stock option grant from IDEAYA Biosciences, Inc. covering 20,000 shares of common stock at an exercise price of $30.57 per share, with a 10-year term expiring on June 16, 2036. The award is a compensatory grant that vests 100% on the earlier of the first anniversary of the grant date or immediately prior to the next annual meeting, contingent on continued board service. Following this option award, Rosen holds derivative ownership of 20,000 shares underlying the option, with an intrinsic value of $0 at grant (since the exercise price equals the reference price), but a notional exposure of approximately $611,400 based on the stated exercise price.

Filing Facts

CIK

1676725

Ticker

IDYA

Form

4

Source Type

sec

Accession

0001610717-26-000263

Alert Tier

5