Growth Equity Opportunities 18 VGE, LLC - 27 Oct 2025 SCHEDULE 13D/A Report for X4 Pharmaceuticals, Inc. Common Stock, par value $0.001 per share (XFOR)

Filing Manager
Growth Equity Opportunities 18 VGE, LLC
Reporting Manager
Growth Equity Opportunities 18 VGE, LLC
Security
X4 Pharmaceuticals, Inc. Common Stock, par value $0.001 per share
Symbol
XFOR
Shares outstanding
81,574,355 shares
Disclosed Ownership
5,057,610 shares
Ownership
6.2%
Form type
SCHEDULE 13D/A
Filing time
29 Oct 2025, 18:04:59 UTC
Date of event
27 Oct 2025
Previous filing
15 Aug 2025
SEC
View on sec.gov

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Quoteable Key Fact

"Growth Equity Opportunities 18 VGE, LLC disclosed 6.2% ownership in X4 Pharmaceuticals, Inc. Common Stock, par value $0.001 per share (XFOR) on 27 Oct 2025."

Quick Takeaways

  • Growth Equity Opportunities 18 VGE, LLC filed SCHEDULE 13D/A for X4 Pharmaceuticals, Inc. Common Stock, par value $0.001 per share (XFOR).
  • Disclosed ownership: 6.2%.
  • Date of event: 27 Oct 2025.

What Changed

  • Previous schedule filing date: 15 Aug 2025.
  • Current filing was accepted on 29 Oct 2025, 18:04.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (12)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Growth Equity Opportunities 18 VGE, LLC 6.2% 5,057,610 0 5,057,610 /s/ Zachary Bambach Zachary Bambach as attorney-in-fact for Anthony A. Florence, Jr., Managing Partner and Co-Chief Executive Officer 0001917895
NEA 18 Venture Growth Equity, L.P. 6.2% 5,057,610 0 5,057,610 /s/ Zachary Bambach Zachary Bambach as attorney-in-fact for Anthony A. Florence, Jr., Managing Partner and Co-Chief Executive Officer 0001880239
NEA Partners 18 VGE, L.P. 6.2% 5,057,610 0 5,057,610 /s/ Zachary Bambach Zachary Bambach as attorney-in-fact for Anthony A. Florence, Jr., Managing Partner and Co-Chief Executive Officer 0001898446
NEA 18 VGE GP, LLC 6.2% 5,057,610 0 5,057,610 /s/ Zachary Bambach Zachary Bambach as attorney-in-fact for Anthony A. Florence, Jr., Managing Partner and Co-Chief Executive Officer 0001898598
Ali Behbahani 6.2% 5,057,610 0 5,057,610 /s/ Zachary Bambach Zachary Bambach as attorney-in-fact for Ali Behbahani 0001613867
Carmen Chang 6.2% 5,057,610 0 5,057,610 /s/ Zachary Bambach Zachary Bambach as attorney-in-fact for Carmen Chang 0001746342
Anthony A. Florence, Jr. 6.2% 5,057,610 0 5,057,610 /s/ Zachary Bambach Zachary Bambach as attorney-in-fact for Anthony A. Florence, Jr. 0001559827
Mohamad H. Makhzoumi 6.2% 5,057,610 0 5,057,610 /s/ Zachary Bambach Zachary Bambach as attorney-in-fact for Mohamad H. Makhzoumi 0001630226
Edward T. Mathers 6.2% 5,057,610 0 5,057,610 /s/ Zachary Bambach Zachary Bambach as attorney-in-fact for Edward T. Mathers 0001328625
Scott D. Sandell 6.2% 5,057,610 0 5,057,610 /s/ Zachary Bambach Zachary Bambach as attorney-in-fact for Scott D. Sandell 0001237289
Paul Walker 6.2% 5,057,610 0 5,057,610 /s/ Zachary Bambach Zachary Bambach as attorney-in-fact for Paul Walker 0001553150
Rick Yang 6.2% 5,057,610 0 5,057,610 /s/ Zachary Bambach Zachary Bambach as attorney-in-fact for Rick Yang 0001851328

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