---
schema_version: "secwatch.filing_event.v1"
accession: "0001694665-23-000186"
form_type: "8-K"
ticker: null
cik: "0001694665"
company_name: "Evelo Biosciences, Inc."
filed_at: "2023-11-21T23:59:59+00:00"
generated_at: "2026-06-07T22:44:23.360185+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.95
calibrated_materiality_score: 0.95
confidence: "high"
source: SEC EDGAR
---

# Evelo Biosciences to dissolve; board and CEO resign, new wind-down officer appointed

## Summary
- Board of directors resigned Nov 20, 2023; board reduced to one director (Craig R. Jalbert).
- CEO Simba Gill and CFO Marella Thorell stepped down; employment ends Dec 1 with severance.
- Craig R. Jalbert appointed President, Secretary, and sole director to lead wind-down and dissolution.
- Company seeks stockholder approval for dissolution; expects Nasdaq delisting and SEC deregistration.
- Engaged Rock Creek Advisors to monetize assets; no viable alternative to dissolution found.

## SEC filing metadata
- accession: 0001694665-23-000186
- form_type: 8-K
- cik: 0001694665
- company_name: Evelo Biosciences, Inc.
- filed_at: 2023-11-21T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.95
- calibrated_materiality_score: 0.95
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/0001694665-23-000186-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/evlo-20231120.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001694665-23-000186
- JSON: https://secwatch.observer/filing/0001694665-23-000186.json
- Plain text: https://secwatch.observer/filing/0001694665-23-000186.txt

## Key facts
- Executive change
  Craig R. Jalbert was appointed as Director at Evelo Biosciences, Inc..
  - Action: appointed
  - Role: Director
  source text: Mr. Jalbert was also appointed as sole member of the Board as a Class II director, effective upon the aforementioned directors’ resignations, with a term that expires upon the election and qualification of his successor or until his earlier resignation or removal.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/0001694665-23-000186-index.htm
- Executive change
  Tonya Williams resigned as Director at Evelo Biosciences, Inc..
  - Action: resigned
  - Role: Director
  source text: On November 20, 2023, in connection with the Dissolution (as defined below), each of Juan Andres, Balkrishan (Simba) Gill, Ph.D., Jose-Carlos Gutiérrez-Ramos, Ph.D., Jeffrey R. Moore, Alexander C. Reynolds, Robert L. Rosiello and Tonya Williams notified Evelo Biosciences, Inc. (the “Company,” “we,” “us,” “our,” and “Evelo”) of their resignation from the Board of Directors (the “Board”) of the Company and all committees thereof, effective upon the Company’s acceptance of such resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/0001694665-23-000186-index.htm
- Executive change
  Jose-Carlos Gutiérrez-Ramos resigned as Director at Evelo Biosciences, Inc..
  - Action: resigned
  - Role: Director
  source text: On November 20, 2023, in connection with the Dissolution (as defined below), each of Juan Andres, Balkrishan (Simba) Gill, Ph.D., Jose-Carlos Gutiérrez-Ramos, Ph.D., Jeffrey R. Moore, Alexander C. Reynolds, Robert L. Rosiello and Tonya Williams notified Evelo Biosciences, Inc. (the “Company,” “we,” “us,” “our,” and “Evelo”) of their resignation from the Board of Directors (the “Board”) of the Company and all committees thereof, effective upon the Company’s acceptance of such resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/0001694665-23-000186-index.htm
- Executive change
  Alexander C. Reynolds resigned as Director at Evelo Biosciences, Inc..
  - Action: resigned
  - Role: Director
  source text: On November 20, 2023, in connection with the Dissolution (as defined below), each of Juan Andres, Balkrishan (Simba) Gill, Ph.D., Jose-Carlos Gutiérrez-Ramos, Ph.D., Jeffrey R. Moore, Alexander C. Reynolds, Robert L. Rosiello and Tonya Williams notified Evelo Biosciences, Inc. (the “Company,” “we,” “us,” “our,” and “Evelo”) of their resignation from the Board of Directors (the “Board”) of the Company and all committees thereof, effective upon the Company’s acceptance of such resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/0001694665-23-000186-index.htm
- Executive change
  Jeffrey R. Moore resigned as Director at Evelo Biosciences, Inc..
  - Action: resigned
  - Role: Director
  source text: On November 20, 2023, in connection with the Dissolution (as defined below), each of Juan Andres, Balkrishan (Simba) Gill, Ph.D., Jose-Carlos Gutiérrez-Ramos, Ph.D., Jeffrey R. Moore, Alexander C. Reynolds, Robert L. Rosiello and Tonya Williams notified Evelo Biosciences, Inc. (the “Company,” “we,” “us,” “our,” and “Evelo”) of their resignation from the Board of Directors (the “Board”) of the Company and all committees thereof, effective upon the Company’s acceptance of such resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/0001694665-23-000186-index.htm
- Executive change
  Craig R. Jalbert was appointed as President at Evelo Biosciences, Inc..
  - Action: appointed
  - Role: President
  source text: On November 20, 2023, the Board appointed Craig R. Jalbert, age 62, as the Company’s President and Corporate Secretary and as Principal Executive Officer, Principal Financial Officer and Principal Accounting Officer, in each case, effective as of 12:00 a.m., Eastern Time, on November 21, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/0001694665-23-000186-index.htm
- Executive change
  Simba Gill resigned as Director at Evelo Biosciences, Inc..
  - Action: resigned
  - Role: Director
  source text: On November 20, 2023, in connection with the Dissolution (as defined below), each of Juan Andres, Balkrishan (Simba) Gill, Ph.D., Jose-Carlos Gutiérrez-Ramos, Ph.D., Jeffrey R. Moore, Alexander C. Reynolds, Robert L. Rosiello and Tonya Williams notified Evelo Biosciences, Inc. (the “Company,” “we,” “us,” “our,” and “Evelo”) of their resignation from the Board of Directors (the “Board”) of the Company and all committees thereof, effective upon the Company’s acceptance of such resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/0001694665-23-000186-index.htm
- Executive change
  Robert L. Rosiello resigned as Director at Evelo Biosciences, Inc..
  - Action: resigned
  - Role: Director
  source text: On November 20, 2023, in connection with the Dissolution (as defined below), each of Juan Andres, Balkrishan (Simba) Gill, Ph.D., Jose-Carlos Gutiérrez-Ramos, Ph.D., Jeffrey R. Moore, Alexander C. Reynolds, Robert L. Rosiello and Tonya Williams notified Evelo Biosciences, Inc. (the “Company,” “we,” “us,” “our,” and “Evelo”) of their resignation from the Board of Directors (the “Board”) of the Company and all committees thereof, effective upon the Company’s acceptance of such resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/0001694665-23-000186-index.htm
- Executive change
  Marella Thorell departed as Chief Financial Officer at Evelo Biosciences, Inc..
  - Action: ceased serving
  - Role: Chief Financial Officer
  source text: On November 20, 2023, in connection with the Dissolution, Simba Gill ceased serving as the Company’s President, Chief Executive Officer, principal executive officer and president, and Marella Thorell ceased serving as the Company’s Chief Financial Officer, Secretary, Treasurer, principal financial officer and principal accounting officer, in each case, effective as of 11:59 p.m., Eastern Time, on November 20, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/0001694665-23-000186-index.htm
- Executive change
  Juan Andres resigned as Director at Evelo Biosciences, Inc..
  - Action: resigned
  - Role: Director
  source text: On November 20, 2023, in connection with the Dissolution (as defined below), each of Juan Andres, Balkrishan (Simba) Gill, Ph.D., Jose-Carlos Gutiérrez-Ramos, Ph.D., Jeffrey R. Moore, Alexander C. Reynolds, Robert L. Rosiello and Tonya Williams notified Evelo Biosciences, Inc. (the “Company,” “we,” “us,” “our,” and “Evelo”) of their resignation from the Board of Directors (the “Board”) of the Company and all committees thereof, effective upon the Company’s acceptance of such resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/0001694665-23-000186-index.htm
- Executive change
  Simba Gill departed as Chief Executive Officer at Evelo Biosciences, Inc..
  - Action: ceased serving
  - Role: Chief Executive Officer
  source text: On November 20, 2023, in connection with the Dissolution, Simba Gill ceased serving as the Company’s President, Chief Executive Officer, principal executive officer and president, and Marella Thorell ceased serving as the Company’s Chief Financial Officer, Secretary, Treasurer, principal financial officer and principal accounting officer, in each case, effective as of 11:59 p.m., Eastern Time, on November 20, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1694665/000169466523000186/0001694665-23-000186-index.htm

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