0001676725 2026-06-09 2026-06-09 0001676725 1 2026-06-09 2026-06-09 0001676725 2 2026-06-09 2026-06-09 iso4217:USD pure shares S-3 424B5 EX-FILING FEES 333-295560 0001676725 IDEAYA Biosciences, Inc. N/A N/A S-3 IDEAYA Biosciences, Inc. false Equity Common Stock, par value $0.0001 per share true 7222225 27.00 195000075.00 0.0001381 26929.51 false Equity Pre-Funded Warrants to purchase Common Stock true 5555576 27.00 150000552.00 0.0001381 20715.08 345000627.00 47644.59 0.00 0.00 47644.59 (A) Calculated in accordance with Rule 457(r) under the Securities Act of 1933, as amended (the "Securities Act"). Payment of the registration fee at the time of filing of the registrant's Registration Statement on Form S-3 (File No. 333-295560) on May 5, 2026 was deferred pursuant to Rules 456(b) and 457(r) under the Securities Act and is paid herewith. (B) Includes 1,666,669 shares of common stock that the underwriters have an option to purchase. Represents the sum of the pre-funded warrant sales price of $26.9999 per pre-funded warrant and the exercise price of $0.0001 per share issuable pursuant to the pre-funded warrants. Pursuant to Securities and Exchange Commission staff interpretation, the entire fee is allocated to the common stock underlying the pre-funded warrants. 345000627.00 true