XFOR

X4 Pharmaceuticals, Inc

Company with tickers: XFOR

CIK

1501697

CUSIP

98420X202

Shares Outstanding

94,319,696

13F Activity (30d)

66 filings 65 filers

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-12	KIRSKE DAVID	Chief Financial Officer	Sell	16,961	$4.29	$72,820	176,293
2026-01-01	WYZGA MICHAEL S	Director	Award	110,000	—	—	0
2026-01-01	Bridger Gary	Director	Award	110,000	—	—	0
2026-01-01	de Craecker Francoise	Director	Award	110,000	—	—	0
2026-01-01	Stewart Murray	Director	Award	110,000	—	—	0
2025-10-29	KIRSKE DAVID	Chief Financial Officer	Award	1,552,769	—	—	1,552,769
2025-10-29	Volpone John	President	Award	2,329,154	—	—	2,329,154
2025-10-29	Craig Adam R	Director, Executive Chairman	Award	2,329,154	—	—	2,329,154
2025-10-23	Craig Adam R	Director, Executive Chairman	Buy	86,206	$2.90	$249,997	376,087
2025-08-14	KIRSKE DAVID	Chief Financial Officer	Award	352,800	—	—	352,800
2025-08-14	Volpone John	President	Award	529,201	—	—	529,201
2025-08-14	KIRSKE DAVID	Chief Financial Officer	Award	193,254	—	—	193,254
2025-08-14	Craig Adam R	Director, Executive Chairman	Award	529,201	—	—	529,201
2025-08-14	Craig Adam R	Director, Executive Chairman	Award	289,881	—	—	289,881
2025-08-14	Volpone John	President	Award	289,881	—	—	289,881
2025-08-12	KIRSKE DAVID	Chief Financial Officer	Award	1,073,249	—	—	1,073,249
2025-08-12	Craig Adam R	Director, Executive Chairman	Other	0	—	—	0
2025-08-12	KIRSKE DAVID	Chief Financial Officer	Other	0	—	—	0
2025-08-12	Craig Adam R	Director, Executive Chairman	Award	1,609,873	—	—	1,609,873
2025-08-12	Volpone John	President	Award	1,609,873	—	—	1,609,873
2025-08-12	Volpone John	President	Other	0	—	—	0
2025-06-09	WYZGA MICHAEL S	Director	Award	1,500	—	—	5,555
2025-06-09	Stewart Murray	Director	Award	1,500	—	—	7,883
2025-06-09	MCGIRR DAVID W J	Director	Award	1,500	—	—	4,722
2025-06-09	Bridger Gary	Director	Award	1,500	—	—	4,722
2025-06-09	Woods Keith	Director	Award	1,500	—	—	6,000
2025-06-09	de Craecker Francoise	Director	Award	1,500	—	—	4,722
2025-05-20	Thoren Natasha Fay	Chief Legal Officer	Other	0	—	—	0
2025-05-20	Thoren Natasha Fay	Chief Legal Officer	Award	3,333	—	—	9,462
2025-05-20	Thoren Natasha Fay	Chief Legal Officer	Other	6,984	—	—	6,984
2025-05-16	Baldry Mark	Chief Commercial Officer	Buy	1,032	$2.48	$2,561	25,337
2025-02-12	Ragan Paula	Director	Award	2,250,000	—	—	3,337,386
2025-02-12	Mostafa Adam S.	Chief Financial Officer	Award	850,000	—	—	850,000
2025-02-12	Baldry Mark	Chief Commercial Officer	Award	600,000	—	—	729,173
2025-02-12	Arbet-Engels Christophe	Chief Medical Officer	Award	850,000	—	—	864,207
2025-02-12	DiBiase Mary	Chief Operating Officer	Award	650,000	—	—	1,140,980
2025-01-24	Mostafa Adam S.	Chief Financial Officer	Sell	74,773	$0.45	$33,947	0
2025-01-24	Ragan Paula	Director	Sell	76,473	$0.45	$34,719	1,087,386
2025-01-24	DiBiase Mary	Chief Operating Officer	Sell	22,258	$0.45	$10,094	490,980
2025-01-24	Arbet-Engels Christophe	Chief Medical Officer	Sell	11,624	$0.45	$5,284	14,207
2025-01-24	Baldry Mark	Chief Commercial Officer	Sell	29,159	$0.45	$13,241	94,123
2025-01-23	Mostafa Adam S.	Chief Financial Officer	Award	74,773	—	—	74,773
2025-01-23	DiBiase Mary	Chief Operating Officer	Award	61,178	—	—	513,238
2025-01-23	Ragan Paula	Director	Award	169,940	—	—	1,163,859
2025-01-23	Arbet-Engels Christophe	Chief Medical Officer	Award	25,831	—	—	25,831
2025-01-23	Baldry Mark	Chief Commercial Officer	Award	74,773	—	—	123,282
2024-11-15	Baldry Mark	Chief Commercial Officer	Buy	13,404	$0.34	$4,598	129,173
2024-11-15	Ragan Paula	Director	Sell	31,897	$0.39	$12,583	993,919
2024-10-15	Ragan Paula	Director	Sell	31,897	$0.56	$17,926	1,025,816
2024-10-07	Baldry Mark	Chief Commercial Officer	Sell	11,127	$0.58	$6,506	48,509

Showing 1–50 of 253 transactions