0000950170-25-064438 Sample Contracts

IDEAYA BIOSCIENCES, INC. EMPLOYMENT AGREEMENT
Employment Agreement • May 6th, 2025 • IDEAYA Biosciences, Inc. • Pharmaceutical preparations • California

This Employment Agreement (the “Agreement”) is entered into between IDEAYA Biosciences, Inc., a Delaware corporation (the “Company”) and Andres Ruiz Briseno (“Executive” and, together with the Company, the “Parties”) effective as of March 28, 2025 (the “Effective Date”).

CLINICAL STUDY COLLABORATION AND SUPPLY AGREEMENT
Clinical Study Collaboration and Supply Agreement • May 6th, 2025 • IDEAYA Biosciences, Inc. • Pharmaceutical preparations • New York

This CLINICAL STUDY COLLABORATION AND SUPPLY AGREEMENT (this “Agreement”), made as of February 12, 2025 (the “Effective Date”), is by and between Gilead Sciences, Inc., having a place of business at 333 Lakeside Drive, Foster City, CA 94404 (“Gilead”), and IDEAYA Biosciences, Inc., having a place of business at 5000 Shoreline Ct Suite300, South San Francisco, CA 94080 (“Company”) (each, a “Party,” and collectively, the “Parties”).

IDEAYA BIOSCIENCES, INC. EMPLOYMENT AGREEMENT ADDENDUM
Employment Agreement Addendum • May 6th, 2025 • IDEAYA Biosciences, Inc. • Pharmaceutical preparations

The Employment Agreement between IDEAYA Biosciences, Inc., a Delaware corporation (the “Company”) and Douglas Snyder (“Executive” and, together with the Company, the “Parties”) dated September 18, 2024 (the “Employment Agreement”) is hereby amended, effective March 28, 2025, as follows: