---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-181337"
form_type: "8-K"
ticker: "IDYA"
cik: "0001676725"
company_name: "IDEAYA Biosciences, Inc."
filed_at: "2023-07-03T23:59:59+00:00"
generated_at: "2026-06-13T13:19:19.599635+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# IDEAYA Biosciences appoints Andres Ruiz Briseno as Principal Accounting Officer

## Summary
- Andres Ruiz Briseno appointed Principal Accounting Officer, effective July 1, 2023, and promoted to SVP, Head of Finance and Investor Relations.
- Mr. Briseno brings over 10 years of finance experience, previously Senior VP at Neumora Therapeutics, and earlier roles at Pharmacyclics.
- Received option to purchase 22,500 shares at exercise price $23.23 (closing price on June 29, 2023).
- Amended employment agreement includes base salary, target cash incentive, and severance benefits; summary to be filed in Q2 2023 10-Q.

## SEC filing metadata
- accession: 0001193125-23-181337
- form_type: 8-K
- ticker: IDYA
- cik: 0001676725
- company_name: IDEAYA Biosciences, Inc.
- filed_at: 2023-07-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1676725/000119312523181337/0001193125-23-181337-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1676725/000119312523181337/d524590d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-181337
- JSON: https://secwatch.observer/filing/0001193125-23-181337.json
- Plain text: https://secwatch.observer/filing/0001193125-23-181337.txt

## Key facts
- Executive change
  Andres Ruiz Briseno was appointed as Principal Accounting Officer at IDEAYA Biosciences, Inc..
  - Action: appointed
  - Role: Principal Accounting Officer
  source text: appointed Andres Ruiz Briseno as Principal Accounting Officer of the Company, effective July 1, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1676725/000119312523181337/0001193125-23-181337-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.