• 12 April 2019
    X4 Pharmaceuticals Prices $85.8 Million Public Offering of Common Stock and Class A Warrants

    X4 Pharmaceuticals, Inc. (Nasdaq: XFOR), a clinical-stage biopharmaceutical company focused on the development of novel therapeutics for the treatment of rare diseases, announced today the pricing of its previously announced underwritten public offering of 5,670,000 shares of its common stock and, in lieu of common stock, pre-funded warrants to purchase 2,130,000 shares of common stock, and accompanying Class A warrants to purchase 3,900,000 shares of its common stock at a price to the public of $11.00 per share and accompanying Class A warrant (or $10.999 per pre-funded warrant and accompanying Class A warrant). X4’s gross proceeds from this offering are expected to be approximately $85.8 million, before deducting underwriting discounts and estimated offering expenses. All of the securities in the offering are being sold by X4. The offering is expected to close on or about April 16, 2019, subject to customary closing conditions.

    Cowen and Stifel are acting as joint book-running managers and representatives of the underwriters for the offering. Canaccord Genuity is acting as lead manager of the offering.

    The offering is being made only by means of a written prospectus and related prospectus supplement forming part of a shelf registration statement on Form S-3 that was filed with the Securities and Exchange Commission (SEC) on January 25, 2019 and declared effective by the SEC on February 19, 2019. The preliminary prospectus supplement and accompanying prospectus relating to and describing the terms of the offering were filed with the SEC on April 12, 2019. The final prospectus supplement and accompanying prospectus will be filed with the SEC and will be available at the SEC’s website located at, copies of which may be obtained, when available, from Cowen and Company, LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, Attn: Prospectus Department, or by telephone at 631-274-2806, and from Stifel, Nicolaus & Company, Incorporated, Attention: Syndicate, One Montgomery Street, Suite 3700, San Francisco, California 94104, or by telephone at 415-364-2720 or by email at

    This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of these securities in any state or other jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or other jurisdiction.