---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-205553"
form_type: "8-K"
ticker: "VOR"
cik: "0001817229"
company_name: "Vor Biopharma Inc."
filed_at: "2025-09-17T23:59:59+00:00"
generated_at: "2026-05-17T06:23:10.771321+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Vor Biopharma announces 1-for-20 reverse stock split effective Sept 18, 2025

## Summary
- Reverse stock split at 1-for-20 ratio effective 5:00 p.m. ET on September 18, 2025.
- Pre-split shares ~136.8M; post-split ~6.84M (subject to fractional share cash-out).
- Split-adjusted trading on Nasdaq begins September 19, 2025; new CUSIP 929033207.
- Proportionate adjustments to exercise prices and shares under equity plans and warrants.

## SEC filing metadata
- accession: 0001193125-25-205553
- form_type: 8-K
- ticker: VOR
- cik: 0001817229
- company_name: Vor Biopharma Inc.
- filed_at: 2025-09-17T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 3.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1817229/000119312525205553/0001193125-25-205553-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1817229/000119312525205553/d945826d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-205553
- JSON: https://secwatch.observer/filing/0001193125-25-205553.json
- Plain text: https://secwatch.observer/filing/0001193125-25-205553.txt

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