Francoise de Craecker - Jun 9, 2025 Form 4 Insider Report for X4 Pharmaceuticals, Inc (XFOR)

Role: Director
Signature: /s/ Adam S. Mostafa, attorney-in-fact
Stock symbol: XFOR
Transactions as of: Jun 9, 2025
Transactions value $: $0
Form type: 4
Date filed: 6/10/2025, 04:30 PM
Previous filing: Jun 11, 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
de Craecker Francoise	Director	C/O X4 PHARMACEUTICALS, INC., 61 NORTH BEACON STREET 4TH FLOOR, BOSTON	/s/ Adam S. Mostafa, attorney-in-fact	2025-06-10	0001887843

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	XFOR	Common Stock	Award	$0	+1.5K	+46.55%	$0.00	4.72K	Jun 9, 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents restricted stock units (RSUs) granted to the Reporting Person as an annual award for service on the Board of Directors. The RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the Issuer's next annual meeting of stockholders, subject to continued board service through the applicable vesting date. The RSUs will vest in full upon the occurrence of a change in control of the Issuer.

Content

Represents restricted stock units (RSUs) granted to the Reporting Person as an annual award for service on the Board of Directors. The RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the Issuer's next annual meeting of stockholders, subject to continued board service through the applicable vesting date. The RSUs will vest in full upon the occurrence of a change in control of the Issuer.