On February 10, 2026 Nektar Therapeutics (Nasdaq: NKTR), a clinical-stage biotechnology company focused on the development of innovative medicines in the field of immunotherapy, reported that it has commenced an underwritten public offering of $300,000,000 of its shares of its common stock and, in lieu of common stock to certain investors, pre-funded warrants to purchase shares of its common stock. All of the shares of common stock and pre-funded warrants to be sold in this offering are being offered by Nektar. In addition, Nektar intends to grant the underwriters a 30-day option to purchase up to an additional $45,000,000 of shares of its common stock at the public offering price per share, less underwriting discounts and commissions. The proposed 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.
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Nektar intends to use the net proceeds from the offering for general corporate purposes, which may include research and development, clinical development (including Phase 3 trials for rezpegaldesleukin) and manufacturing costs to support the advancement of its drug candidates, as well as other general corporate purposes.
Jefferies, TD Cowen, and Piper Sandler are acting as joint bookrunning managers for the offering.
The securities described above are being offered pursuant to a shelf registration statement on Form S-3ASR (No. 333-291466) that was filed with the U.S. Securities and Exchange Commission (the "SEC") on November 12, 2025 and automatically became effective upon filing. This offering is being made only by means of a prospectus supplement and an accompanying prospectus that form a part of the registration statement.
A preliminary prospectus supplement related to and describing the terms of the offering will be filed with the SEC and will be available on the SEC’s website located at www.sec.gov. Copies of the preliminary prospectus supplement and an accompanying prospectus related to the offering may also be obtained, when available, from Jefferies LLC, Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, New York, NY 10022, by telephone at (877) 821-7388, or by email at [email protected]; TD Securities (USA) LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717 or by email at [email protected]; or Piper Sandler & Co., 350 North 5th Street, Suite 1000, Minneapolis, MN 55401, Attention: Prospectus Department, by telephone at (800) 747-3924, or by email at [email protected].
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 jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of that state or jurisdiction.
(Press release, Nektar Therapeutics, FEB 10, 2026, View Source [SID1234662579])