---
schema_version: "secwatch.filing_event.v1"
accession: "0000899923-26-000079"
form_type: "8-K"
ticker: "MYGN"
cik: "0000899923"
company_name: "MYRIAD GENETICS INC"
filed_at: "2026-09-16T12:00:53+00:00"
generated_at: "2026-09-16T12:05:07.265874+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Myriad appoints Vishal Sikri EVP Commercial; CCO Brian Donnelly departs

## Summary
- Brian Donnelly steps down as Chief Commercial Officer effective Sept 16, 2026; remains non-executive through Sept 21, 2026 for transition.
- Vishal Sikri promoted from SVP Product to EVP Commercial effective Sept 16, 2026.
- Sikri brings molecular diagnostics/oncology expertise and prior commercial leadership roles.
- Company reaffirms full-year 2026 financial guidance from July 30, 2026 earnings call.

## SEC filing metadata
- accession: 0000899923-26-000079
- form_type: 8-K
- ticker: MYGN
- cik: 0000899923
- company_name: MYRIAD GENETICS INC
- filed_at: 2026-09-16T12:00:53+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/899923/000089992326000079/0000899923-26-000079-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/899923/000089992326000079/mygn-20260915.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000899923-26-000079
- JSON: https://secwatch.observer/filing/0000899923-26-000079.json
- Plain text: https://secwatch.observer/filing/0000899923-26-000079.txt

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