# X4 Pharmaceuticals, Inc: Form SCHEDULE 13D, filed Aug 13, 2025

- Company: [X4 Pharmaceuticals, Inc](/companies/xfor.md) (CIK 1501697)
- Form: SCHEDULE 13D
- Filed: 2025-08-13
- Accepted by EDGAR: Aug 13, 2025, 21:40 ET
- Period: not reported
- Accession: 0000950170-25-108341
- Inline XBRL: no
- Main document: https://www.sec.gov/Archives/edgar/data/1501697/000095017025108341/xslSCHEDULE_13D_X01/primary_doc.xml
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1501697/000095017025108341/

## 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/1501697/000095017025108341/xslSCHEDULE_13D_X01/primary_doc.xml

Filed Aug 13, 2025.
Source: SEC EDGAR, the filing index for accession 0000950170-25-108341. Last ingested by Listed: Oct 29, 2026, 10:01 ET. No prices; not investment advice.