X4 PHARMACEUTIC. DL-,001

Poster #1654 highlights clinically meaningful and durable increases in circulating neutrophils observed with mavorixafor treatment +/- G-CSF over 6-month study Poster #1669 highlights findings that investigators were willing and able to reduce injectable G-CSF while maintaining ANC levels in the normal range Data continue to strengthen confidence in potential success of ongoing global, pivotal Phase 3 trial evaluating mavorixafor in primary chronic neutropenia BOSTON, June 16, 2025 (GLOBE NEWSWIRE) -- X4 Pharmaceuticals (Nasdaq: XFOR), a company driven to improve the lives of people with rare diseases of the immune system, today announced the presentation of positive data from its completed Phase 2 trial of mavorixafor in the treatment of certain chronic neutropenic (CN) conditions at the 30th Annual Congress of the European Hematology Association (EHA) in Milan, Italy. “We are very proud to have sponsored this trial – the first of its kind – evaluating an oral agent for the chronic treatment of certain primary chronic neutropenic disorders,” said Christophe Arbet-Engels, M.D.» Mehr auf globenewswire.com

BOSTON, June 10, 2025 (GLOBE NEWSWIRE) -- X4 Pharmaceuticals (Nasdaq: XFOR), a company driven to improve the lives of people with rare diseases of the immune system, today announced that the U.S. Food and Drug Administration (FDA) has granted Fast Track designation to mavorixafor, an oral CXCR4 antagonist, for the treatment of chronic neutropenia (CN). The company is currently conducting a global, pivotal Phase 3 clinical trial (4WARD) evaluating mavorixafor in certain primary CN conditions.» Mehr auf globenewswire.com

BOSTON, June 02, 2025 (GLOBE NEWSWIRE) -- X4 Pharmaceuticals (Nasdaq: XFOR), a company driven to improve the lives of people with rare diseases of the immune system, today announced that, effective on May 30, 2025, the company issued inducement awards to new employees under the X4 Pharmaceuticals, Inc. 2019 Inducement Equity Incentive Plan (the “2019 Inducement Plan”). The 2019 Inducement Plan is used exclusively for the grant of equity awards to individuals who were not previously an employee of X4. The inducement awards consist of options to purchase an aggregate of 5,545 shares of X4's common stock. These stock awards were granted as an inducement material to the new employees entering into employment with X4 in accordance with Nasdaq Listing Rule 5635(c)(4) and were approved by X4's Compensation Committee of the Board of Directors.» Mehr auf globenewswire.com