IDEAYA Biosciences, Inc. 8-K

What Happened

• IDEAYA Biosciences, Inc. announced on January 12, 2026 that it posted a corporate presentation to the investor section of its website (https://ir.ideayabio.com/). The presentation is furnished as Exhibit 99.1 to the Form 8-K under Regulation FD.

Key Details

• Date posted: January 12, 2026.
• Location: Investor section of IDEAYA’s website (https://ir.ideayabio.com/).
• Exhibit: Presentation attached to the 8-K as Exhibit 99.1 (Cover Page Interactive Data File filed as Exhibit 104).
• Forward-looking statements: Presentation includes a “Safe Harbor Statement”; company notes the furnishing is not an admission of materiality and it has no obligation to update the presentation.

Why It Matters

• This filing informs investors that IDEAYA has made new corporate information publicly available and ensured broad, simultaneous disclosure in compliance with Regulation FD. The slides may contain forward‑looking statements about the company’s plans or expectations, so investors should review the presentation alongside IDEAYA’s SEC filings and public disclosures for full context. There are no financial results, executive changes, or other material events reported in this 8-K.