---
schema_version: "secwatch.filing_event.v1"
accession: "0001501697-26-000076"
form_type: "8-K"
ticker: "XFOR"
cik: "0001501697"
company_name: "X4 Pharmaceuticals, Inc"
filed_at: "2026-09-08T21:36:46+00:00"
generated_at: "2026-09-09T10:05:12.888996+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "low"
source: SEC EDGAR
---

# X4 Pharmaceuticals posts updated corporate presentation on website

## Summary
- X4 Pharmaceuticals posted an updated corporate presentation dated September 8, 2026.
- Presentation cover page shows Nasdaq ticker XFOR; no financial data included in filing.
- Filing contains no specific operational, financial, or pipeline updates.
- Presentation available in Investors section of company website at www.x4pharma.com.

## SEC filing metadata
- accession: 0001501697-26-000076
- form_type: 8-K
- ticker: XFOR
- cik: 0001501697
- company_name: X4 Pharmaceuticals, Inc
- filed_at: 2026-09-08T21:36:46+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: low
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1501697/000150169726000076/0001501697-26-000076-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1501697/000150169726000076/xfor-20260908.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001501697-26-000076
- JSON: https://secwatch.observer/filing/0001501697-26-000076.json
- Plain text: https://secwatch.observer/filing/0001501697-26-000076.txt

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