---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-206598"
form_type: "8-K"
ticker: "XFOR"
cik: "0001501697"
company_name: "X4 Pharmaceuticals, Inc"
filed_at: "2022-07-29T23:59:59+00:00"
generated_at: "2026-06-24T06:55:15.920389+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# X4 Pharmaceuticals CLO Derek Meisner resigns effective Aug 22, 2022

## Summary
- Chief Legal Officer and Corporate Secretary Derek Meisner resigns effective August 22, 2022.
- Resignation is to pursue another opportunity; not due to any disagreement with the company or board.
- No replacement for Meisner has been announced as of the filing date.

## SEC filing metadata
- accession: 0001193125-22-206598
- form_type: 8-K
- ticker: XFOR
- cik: 0001501697
- company_name: X4 Pharmaceuticals, Inc
- filed_at: 2022-07-29T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1501697/000119312522206598/0001193125-22-206598-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1501697/000119312522206598/d378391d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-206598
- JSON: https://secwatch.observer/filing/0001193125-22-206598.json
- Plain text: https://secwatch.observer/filing/0001193125-22-206598.txt

## Key facts
- Executive change
  Derek Meisner resigned as Chief Legal Officer and Corporate Secretary at X4 Pharmaceuticals, Inc.
  - Action: resigned
  - Role: Chief Legal Officer and Corporate Secretary
  source text: Derek Meisner provided X4 Pharmaceuticals, Inc. (the “Company”) with notice of his intent to resign from his position as Chief Legal Officer and Corporate Secretary of the Company, effective August 22, 2022, in order to pursue another opportunity.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1501697/000119312522206598/0001193125-22-206598-index.htm

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