# X4 Pharmaceuticals, Inc: Form 8-K, filed Sep 8, 2026

- Company: [X4 Pharmaceuticals, Inc](/companies/xfor.md) (CIK 1501697)
- Form: 8-K
- Filed: 2026-09-08
- Accepted by EDGAR: Sep 8, 2026, 07:15 ET
- Period: 2026-09-08
- Accession: 0001501697-26-000072
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/1501697/000150169726000072/xfor-20260908.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1501697/000150169726000072/

## Items reported

- Item 8.01: Other events
- Item 9.01: Financial statements and exhibits

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/1501697/000150169726000072/xfor-20260908.htm

Filed Sep 8, 2026.
Source: SEC EDGAR, the filing index for accession 0001501697-26-000072. Last ingested by Listed: Nov 4, 2026, 16:53 ET. No prices; not investment advice.