Douglas B. Snyder - 30 Jan 2026 Form 4 Insider Report for IDEAYA Biosciences, Inc. (IDYA)

Reporting relationship: SVP, General Counsel
Issuer ticker: IDYA
Reported as of: 30 Jan 2026
Net transaction value: +$35,166
SEC form: 4
Accepted by SEC: 02 Feb 2026, 19:57:16 UTC
Prior SEC filing: 28 Feb 2025
Source filing: View source filing
Reporting owner signature: /s/ Joshua Bleharski, as Attorney-in-Fact for Douglas B. Snyder

Key filing fact

Douglas B. Snyder filed Form 4 for IDEAYA Biosciences, Inc. (IDYA) on 02 Feb 2026.

Key facts

This page summarizes Douglas B. Snyder's Form 4 filing for IDEAYA Biosciences, Inc. (IDYA).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 02 Feb 2026, 19:57.

Change

Previous filing in this sequence was filed on 28 Feb 2025.
Current net transaction value: +$35,166.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001754125 Primary reporting owner

Snyder Douglas B.

Relationship: SVP, General Counsel
Address: C/O IDEAYA BIOSCIENCES, INC., 5000 SHORELINE COURT, SUITE 300, SOUTH SAN FRANCISCO
Signature: /s/ Joshua Bleharski, as Attorney-in-Fact for Douglas B. Snyder
Signature date: 02 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IDYA transaction

Common Stock

Award

Transaction value: $17,566
Shares: +1,039
Change %
Price: $16.91
Shares after: 1,039
Date: 30 May 2025
Ownership: Direct
Footnotes: F1

IDYA transaction

Common Stock

Award

Transaction value: $17,600
Shares: +1,041
Change %: +100%
Price: $16.91
Shares after: 2,080
Date: 28 Nov 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

IDYA transaction Derivative

Stock Option (right to buy)

Award

Transaction value: $0
Shares: +130,000
Change %
Price: $0.000000
Shares after: 130,000
Date: 30 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 130,000
Exercise price: $32.19
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The shares were acquired under the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

Footnote F2

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.