---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-084067"
form_type: "8-K"
ticker: "PSNL"
cik: "0001527753"
company_name: "Personalis, Inc."
filed_at: "2022-03-25T23:59:59+00:00"
generated_at: "2026-06-26T17:18:47.128731+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Personalis appoints Karin Eastham as Board Chair; MacQuitty steps down

## Summary
- Karin Eastham appointed Board Chair effective May 17, 2022; brings NGS-diagnostic experience from Illumina and Veracyte.
- Jonathan MacQuitty not standing for reelection after 11 years as director and Chair since 2019; no disagreement cited.
- Olivia Bloom appointed Audit Committee Chair, Blaine Bowman appointed Compensation Committee Chair, effective May 17, 2022.
- Company plans to build oncology diagnostic business leveraging advanced technology and growing pharma revenue.

## SEC filing metadata
- accession: 0001193125-22-084067
- form_type: 8-K
- ticker: PSNL
- cik: 0001527753
- company_name: Personalis, Inc.
- filed_at: 2022-03-25T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1527753/000119312522084067/0001193125-22-084067-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1527753/000119312522084067/d297626d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-084067
- JSON: https://secwatch.observer/filing/0001193125-22-084067.json
- Plain text: https://secwatch.observer/filing/0001193125-22-084067.txt

## Key facts
- Executive change
  Jonathan MacQuitty departed as Chair of the Board at Personalis, Inc..
  - Action: not stand for reelection
  - Role: Chair of the Board
  source text: Jonathan MacQuitty, Ph.D., a director of Personalis, Inc. (the “Company”), notified the Company’s Board of Directors (the “Board”) of his decision not to stand for reelection following the end of his current term on May 17, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1527753/000119312522084067/0001193125-22-084067-index.htm
- Executive change
  Karin Eastham was appointed as Chair of the Board at Personalis, Inc..
  - Action: appointed
  - Role: Chair of the Board
  source text: The Board appointed Karin Eastham to serve as the Chair of the Board following Dr. MacQuitty’s term, effective as of May 17, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1527753/000119312522084067/0001193125-22-084067-index.htm

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