X4 Pharmaceuticals Announces Proposed Underwritten Public Offering

BOSTON, Oct. 23, 2025 (GLOBE NEWSWIRE) -- X4 Pharmaceuticals (Nasdaq: XFOR) (“X4” or the “Company”), a company driven to improve the lives of people with rare hematology diseases, today announced that it has commenced an underwritten public offering of shares of its common stock or, in lieu of common stock to certain investors that so choose, pre-funded warrants to purchase shares of its common stock. In addition, X4 expects to grant the underwriters an option for a period of 30 days to purchase up to a number of additional shares of common stock equal to 15% of the shares of common stock and pre-funded warrants initially offered at the public offering price, less underwriting discounts and commissions. The proposed public offering is subject to market and other conditions, and there can be no assurance as to whether or when the offering may be completed or as to the actual size or terms of the offering. All of the securities are being offered by X4.

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