Yujiro S. Hata - 30 Jan 2026 Form 4 Insider Report for IDEAYA Biosciences, Inc. (IDYA)

Role
President and CEO, Director
Signature
/s/ Joshua Bleharski, as Attorney-in-Fact for Yujiro Hata
Issuer symbol
IDYA
Transactions as of
30 Jan 2026
Net transactions value
$0
Form type
4
Filing time
02 Feb 2026, 19:58:51 UTC
Previous filing
14 Mar 2025
Next filing
13 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hata Yujiro S President and CEO, Director C/O IDEAYA BIOSCIENCES, INC., 5000 SHORELINE COURT, SUITE 300, SOUTH SAN FRANCISCO /s/ Joshua Bleharski, as Attorney-in-Fact for Yujiro Hata 02 Feb 2026 0001649119

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction IDYA Stock Option (right to buy) Award $0 +600,000 $0.000000 600,000 30 Jan 2026 Common Stock 600,000 $32.19 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 25% of the shares subject to the option vest on the first anniversary measured from January 1, 2026 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.