Alison Frances Lawton - Jun 2, 2021 Form 4 Insider Report for X4 Pharmaceuticals, Inc (XFOR)

Role: Director
Signature: /s/ Derek M. Meisner, attorney-in-fact
Stock symbol: XFOR
Transactions as of: Jun 2, 2021
Transactions value $: $57,000
Form type: 4
Date filed: 6/2/2021, 05:02 PM
Previous filing: Jun 3, 2021
Next filing: Jun 9, 2021

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	XFOR	Stock Option (right to buy)	Award	$57K	+6K		$9.50^*	6K	Jun 2, 2021	Common Stock	6K	$9.50	Direct	F1

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

Explanation of Responses:

Id	Content
F1	8.3333% of the shares subject to the option shall vest on July 2, 2021, with the remainder vesting in equal monthly installments of 8.333% of the shares subject to the option until the 12-month anniversary of the date of the grant (or, if earlier, the date of the Issuer's next annual meeting of stockholders following the date of the grant) subject to the Reporting Person continuing to provide services through each such date.

Content

8.3333% of the shares subject to the option shall vest on July 2, 2021, with the remainder vesting in equal monthly installments of 8.333% of the shares subject to the option until the 12-month anniversary of the date of the grant (or, if earlier, the date of the Issuer's next annual meeting of stockholders following the date of the grant) subject to the Reporting Person continuing to provide services through each such date.