---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-25-001876"
form_type: "8-K"
ticker: "XBIT"
cik: "0001626878"
company_name: "XBiotech Inc."
filed_at: "2025-04-01T23:59:59+00:00"
generated_at: "2026-05-24T00:48:21.078448+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Director W. Thorpe McKenzie retires from XBiotech board effective March 27, 2025

## Summary
- McKenzie served since 2009; was on Audit, Compensation, and Nominating Committees.
- Retirement not due to any dispute or disagreement with the company.
- Audit Committee reduced to one member (Jan-Paul Waldin); vacancies to be filled per NASDAQ rules.

## SEC filing metadata
- accession: 0001171843-25-001876
- form_type: 8-K
- ticker: XBIT
- cik: 0001626878
- company_name: XBiotech Inc.
- filed_at: 2025-04-01T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1626878/000117184325001876/0001171843-25-001876-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1626878/000117184325001876/f8k_032725.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-25-001876
- JSON: https://secwatch.observer/filing/0001171843-25-001876.json
- Plain text: https://secwatch.observer/filing/0001171843-25-001876.txt

## Key facts
- Executive change
  W. Thorpe McKenzie retired as Director at XBiotech Inc..
  - Action: retired
  - Role: Director
  source text: On March 27, 2025, W. Thorpe McKenzie informed the Board of Directors (the “Board”) of XBiotech Inc. (the “Company”) via letter of his decision to retire from the Board, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1626878/000117184325001876/0001171843-25-001876-index.htm

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