---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-278985"
form_type: "8-K"
ticker: "IOBTQ"
cik: "0001865494"
company_name: "IO Biotech, Inc."
filed_at: "2024-12-16T23:59:59+00:00"
generated_at: "2026-05-29T03:07:37.876865+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# IO Biotech adopts amended and restated bylaws effective December 13, 2024

## Summary
- Amended bylaws revise procedural mechanics for stockholder director nominations and other business proposals.
- New provisions address compliance with Rule 14a-19 under the Exchange Act regarding universal proxy.
- Updates to stockholder meeting procedures and director eligibility requirements are included.
- Changes conform to recent amendments to the Delaware General Corporation Law.
- Other ministerial and clarifying amendments were made effective immediately.

## SEC filing metadata
- accession: 0001193125-24-278985
- form_type: 8-K
- ticker: IOBTQ
- cik: 0001865494
- company_name: IO Biotech, Inc.
- filed_at: 2024-12-16T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1865494/000119312524278985/0001193125-24-278985-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1865494/000119312524278985/d896239d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-278985
- JSON: https://secwatch.observer/filing/0001193125-24-278985.json
- Plain text: https://secwatch.observer/filing/0001193125-24-278985.txt

## Key facts
- Governance Changes
  IO Biotech, Inc.: Adopted amended and restated bylaws with revisions to stockholder nomination mechanics, Rule 14a-19 compliance, meeting procedures, DGCL conformity, and ministerial changes (effective 2024-12-13).
  - Change: bylaw amendment
  - Effective: 2024-12-13
  source text: On December 13, 2024, the board of directors (the “Board”) of IO Biotech, Inc. (the “Company”) adopted amended and restated bylaws of the Company (the bylaws, as so amended and restated, the “Amended and Restated Bylaws”), effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1865494/000119312524278985/0001193125-24-278985-index.htm

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