---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-22-003680"
form_type: "8-K"
ticker: "XBIT"
cik: "0001626878"
company_name: "XBiotech Inc."
filed_at: "2022-05-13T23:59:59+00:00"
generated_at: "2026-06-25T16:48:11.866642+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# XBiotech dismisses Ernst & Young, appoints Whitley Penn as auditor for FY 2022

## Summary
- Audit committee appointed Whitley Penn LLC as independent registered public accounting firm for fiscal year ending Dec 31, 2022.
- Ernst & Young was dismissed effective May 11, 2022; its reports for FY 2020 and 2021 were unqualified.
- No disagreements or reportable events occurred with Ernst & Young during the past two fiscal years.
- Ernst & Young furnished a letter agreeing with the Company's disclosures, filed as Exhibit 16.1.

## SEC filing metadata
- accession: 0001171843-22-003680
- form_type: 8-K
- ticker: XBIT
- cik: 0001626878
- company_name: XBiotech Inc.
- filed_at: 2022-05-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1626878/000117184322003680/0001171843-22-003680-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1626878/000117184322003680/f8k_051322.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-22-003680
- JSON: https://secwatch.observer/filing/0001171843-22-003680.json
- Plain text: https://secwatch.observer/filing/0001171843-22-003680.txt

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