July 7, 2026 · Form 4 insider transaction
Ruiz Briseno Andres sold 9,550 shares of IDEAYA Biosciences, Inc. at $40.01 per share, a transaction worth $382.1K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
The transaction reported herein was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan, adopted on December 19, 2025.; This transaction was executed in multiple trades in prices ranging from $40.00 to $40.10, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.