---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-121826"
form_type: "8-K"
ticker: "ZURA"
cik: "0001855644"
company_name: "Zura Bio Ltd"
filed_at: "2025-12-17T23:59:59+00:00"
generated_at: "2026-05-16T12:56:47.407853+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Director Arnout Ploos van Amstel resigns from Zura Bio Board effective Dec 11, 2025

## Summary
- Arnout Ploos van Amstel resigned from the Board and Nominating and Governance Committee.
- Resignation effective December 11, 2025; no disagreement cited with Company operations.
- No replacement director announced as of the filing date.

## SEC filing metadata
- accession: 0001104659-25-121826
- form_type: 8-K
- ticker: ZURA
- cik: 0001855644
- company_name: Zura Bio Ltd
- filed_at: 2025-12-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.2
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1855644/000110465925121826/0001104659-25-121826-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1855644/000110465925121826/tm2533650d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-121826
- JSON: https://secwatch.observer/filing/0001104659-25-121826.json
- Plain text: https://secwatch.observer/filing/0001104659-25-121826.txt

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