---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-108320"
form_type: "8-K"
ticker: "IOBTQ"
cik: "0001865494"
company_name: "IO Biotech, Inc."
filed_at: "2023-04-20T23:59:59+00:00"
generated_at: "2026-06-16T22:46:05.671492+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# IO Biotech board member Vanessa Malier resigns effective April 17, 2023

## Summary
- Vanessa Malier resigned from the Board on April 17, 2023.
- Resignation not due to any disagreement with the Company or Board.
- No replacement director announced as of the filing date.

## SEC filing metadata
- accession: 0001193125-23-108320
- form_type: 8-K
- ticker: IOBTQ
- cik: 0001865494
- company_name: IO Biotech, Inc.
- filed_at: 2023-04-20T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1865494/000119312523108320/0001193125-23-108320-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1865494/000119312523108320/d474042d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-108320
- JSON: https://secwatch.observer/filing/0001193125-23-108320.json
- Plain text: https://secwatch.observer/filing/0001193125-23-108320.txt

## Key facts
- Executive change
  Vanessa Malier resigned as member of the board of directors at IO Biotech, Inc..
  - Action: resigned
  - Role: member of the board of directors
  source text: On April 17, 2023, Vanessa Malier, a member of the board of directors (the “Board”) of IO Biotech, Inc. (the “Company”), notified the Company of her resignation from the Board, effective that same date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1865494/000119312523108320/0001193125-23-108320-index.htm

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