Nantahala Capital Management, LLC - 30 Sep 2025 SCHEDULE 13G Report for X4 PHARMACEUTICALS, INC Common Stock, par value $0.001 per share (XFOR)

Filing Manager
Nantahala Capital Management, LLC
Reporting Manager
Nantahala Capital Management, LLC
Security
X4 PHARMACEUTICALS, INC Common Stock, par value $0.001 per share
Symbol
XFOR
Shares outstanding
22,465,656 shares
Disclosed Ownership
2,244,319 shares
Ownership
10%
Form type
SCHEDULE 13G
Filing time
14 Nov 2025, 16:39:54 UTC
Date of event
30 Sep 2025
Next filing
13 Feb 2026
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Nantahala Capital Management, LLC 10% 2,244,319 0 2,244,319 /s/ Taki Vasilakis Taki Vasilakis / Chief Compliance Officer
Wilmot B. Harkey 10% 2,244,319 0 2,244,319 /s/ Wilmot B. Harkey Wilmot B. Harkey
Daniel Mack 10% 2,244,319 0 2,244,319 /s/ Daniel Mack Daniel Mack