---
schema_version: "secwatch.filing_event.v1"
accession: "0001694665-23-000100"
form_type: "8-K"
ticker: null
cik: "0001694665"
company_name: "Evelo Biosciences, Inc."
filed_at: "2023-06-29T23:59:59+00:00"
generated_at: "2026-06-13T14:56:54.052821+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Evelo Biosciences completes 1-for-20 reverse stock split; trading begins June 30

## Summary
- Approved by stockholders on June 8, 2023; Board set ratio at 1-for-20 on June 27.
- Reverse stock split became effective at 5:00 pm ET on June 29, 2023.
- Every 20 existing shares converted into 1 share; no fractional shares issued, cash in lieu.
- Trading on split-adjusted basis expected to start June 30 under symbol EVLO; new CUSIP: 299734202.
- Number of authorized shares and par value unchanged; adjustments made to equity awards and warrants.

## SEC filing metadata
- accession: 0001694665-23-000100
- form_type: 8-K
- cik: 0001694665
- company_name: Evelo Biosciences, Inc.
- filed_at: 2023-06-29T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000100/0001694665-23-000100-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000100/evlo-20230629.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001694665-23-000100
- JSON: https://secwatch.observer/filing/0001694665-23-000100.json
- Plain text: https://secwatch.observer/filing/0001694665-23-000100.txt

## Key facts
- Governance Changes
  Evelo Biosciences, Inc.: Effected a 1-for-20 reverse stock split by filing a Certificate of Amendment to the Restated Certificate of Incorporation (effective 2023-06-29).
  - Change: charter amendment
  - Effective: 2023-06-29
  source text: On June 29, 2023, the Company filed with the Secretary of State of the State of Delaware a certificate of amendment (the “ Certificate of Amendment ”) to amend the Company’s Certificate of Incorporation to effect the Reverse Stock Split. The Reverse Stock Split became effective at 5:00 p.m., Eastern Time, on June 29, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000100/0001694665-23-000100-index.htm

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