---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-084289"
form_type: "8-K"
ticker: "BRNS"
cik: "0001828185"
company_name: "Barinthus Biotherapeutics plc."
filed_at: "2023-07-26T23:59:59+00:00"
generated_at: "2026-06-13T02:26:38.741203+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Vaccitech CMO Dr. Margaret Marshall retires effective July 20, 2023; consulting agreement with continued equity vesting

## Summary
- Dr. Margaret Marshall retired as Chief Medical Officer of Vaccitech effective July 20, 2023.
- She will enter into a consulting agreement with the company for continued services.
- Certain of her equity interests will continue to vest for a nine-month period.

## SEC filing metadata
- accession: 0001104659-23-084289
- form_type: 8-K
- ticker: BRNS
- cik: 0001828185
- company_name: Barinthus Biotherapeutics plc.
- filed_at: 2023-07-26T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1828185/000110465923084289/0001104659-23-084289-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1828185/000110465923084289/tm2322054d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-084289
- JSON: https://secwatch.observer/filing/0001104659-23-084289.json
- Plain text: https://secwatch.observer/filing/0001104659-23-084289.txt

## Key facts
- Executive change
  Dr. Margaret Marshall retired as Chief Medical Officer at Barinthus Biotherapeutics plc..
  - Action: retired
  - Role: Chief Medical Officer
  source text: On July 20, 2023, Dr. Margaret Marshall notified Vaccitech plc (the “Company”) of her intention to retire from her position as Chief Medical Officer of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1828185/000110465923084289/0001104659-23-084289-index.htm

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