Core Viewpoint - X4 Pharmaceuticals successfully closed an upsized private placement, raising $85 million to support the development of therapies for rare immune diseases, particularly focusing on mavorixafor for chronic neutropenia and WHIM commercialization [1][2]. Group 1: Financing Details - The private placement included 11,040,776 shares of common stock and pre-funded warrants for 48,852,772 shares, increasing from an initially announced $60 million offering to accommodate an additional investor [1]. - The offering was led by Coastlands Capital, with participation from notable investors such as Empery Asset Management, Bain Capital Life Sciences, and New Enterprise Associates [1]. Group 2: Use of Proceeds - The net proceeds from the financing will be utilized for the continued development of mavorixafor, aiming for additional approval in chronic neutropenia and supporting the commercialization of WHIM [2]. Group 3: Company Overview - X4 Pharmaceuticals focuses on developing innovative therapies for rare immune diseases, leveraging expertise in CXCR4 biology [4]. - The company has successfully marketed mavorixafor in the U.S. under the name XOLREMDI and is conducting a pivotal Phase 3 clinical trial (4WARD) for chronic neutropenic disorders [4].

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 Ph ...