---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-072340"
form_type: "8-K"
ticker: "VOR"
cik: "0001817229"
company_name: "Vor Biopharma Inc."
filed_at: "2025-04-03T23:59:59+00:00"
generated_at: "2026-05-23T22:44:54.259328+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Chief Medical Officer Eyal Attar resigns effective April 18, 2025

## Summary
- Eyal C. Attar, M.D., resigned as Chief Medical Officer of Vor Biopharma, effective April 18, 2025.
- Resignation is to pursue a new opportunity; no successor named yet.
- Company expects to enter into a consulting agreement for transition services.
- Dr. Attar's departure may impact ongoing clinical development activities.

## SEC filing metadata
- accession: 0001193125-25-072340
- form_type: 8-K
- ticker: VOR
- cik: 0001817229
- company_name: Vor Biopharma Inc.
- filed_at: 2025-04-03T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1817229/000119312525072340/0001193125-25-072340-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1817229/000119312525072340/d932261d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-072340
- JSON: https://secwatch.observer/filing/0001193125-25-072340.json
- Plain text: https://secwatch.observer/filing/0001193125-25-072340.txt

## Key facts
- Executive change
  Eyal C. Attar, M.D. resigned as Chief Medical Officer at Vor Biopharma Inc..
  - Action: resigned
  - Role: Chief Medical Officer
  source text: On March 31, 2025, Eyal C. Attar, M.D., notified Vor Biopharma Inc. (the “Company”) of his decision to resign as Chief Medical Officer of the Company, effective as of April 18, 2025, in order to pursue a new opportunity.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1817229/000119312525072340/0001193125-25-072340-index.htm

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