---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-018389"
form_type: "8-K"
ticker: "XFOR"
cik: "0001501697"
company_name: "X4 Pharmaceuticals, Inc"
filed_at: "2025-04-18T23:59:59+00:00"
generated_at: "2026-05-23T10:58:30.176433+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# X4 Pharma stockholders approve reverse stock split; ratio 1:15 to 1:30 to be set by board

## Summary
- Special meeting held April 17, 2025; ~79% of outstanding shares (137.2M of 173.7M) present, forming quorum.
- Reverse split approved: 113.0M FOR, 24.0M AGAINST, 224k abstentions; no broker non-votes.
- Amendment authorizes board to set exact ratio between 1-for-15 and 1-for-30.
- Related Proposal 2 was not presented because Proposal 1 passed.

## SEC filing metadata
- accession: 0001628280-25-018389
- form_type: 8-K
- ticker: XFOR
- cik: 0001501697
- company_name: X4 Pharmaceuticals, Inc
- filed_at: 2025-04-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1501697/000162828025018389/0001628280-25-018389-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1501697/000162828025018389/xfor-20250417.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-018389
- JSON: https://secwatch.observer/filing/0001628280-25-018389.json
- Plain text: https://secwatch.observer/filing/0001628280-25-018389.txt

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