Mary DiBiase - Sep 8, 2021 Form 4 Insider Report for X4 Pharmaceuticals, Inc (XFOR)

Role: Chief Operating Officer
Signature: /s/ Derek M. Meisner, attorney-in-fact
Stock symbol: XFOR
Transactions as of: Sep 8, 2021
Transactions value $: $0
Form type: 4
Date filed: 9/10/2021, 04:10 PM
Next filing: Feb 14, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	XFOR	Common Stock	Award	$0	+27K	+42.56%	$0.00	90.4K	Sep 8, 2021	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 issued to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer and has no expiration date. One third of the shares will vest on each of September 8, 2022, September 8, 2023 and September 8, 2024, respectively, subject to the Reporting Person providing continuous service to the Issuer on such dates.

Content

Represents restricted stock units issued to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer and has no expiration date. One third of the shares will vest on each of September 8, 2022, September 8, 2023 and September 8, 2024, respectively, subject to the Reporting Person providing continuous service to the Issuer on such dates.