On November 11, 2026 Aptevo Therapeutics Inc. (NASDAQ:APVO) ("Aptevo" or the "Company"), a clinical-stage biotechnology company developing novel multispecific immuno-oncology therapeutics, reported that the Company has entered into warrant inducement letter agreements with certain holders of its existing common warrants (the "Existing Warrants"), pursuant to which such holders have agreed to exercise in full for cash their Existing Warrants to purchase up to an aggregate of 2,777,778 shares of common stock of the Company ("common stock") at a reduced exercise price of $1.08 per share. In consideration for such cash exercises, the Company will issue new unregistered common stock purchase warrants (the "Inducement Warrants") to purchase up to an aggregate of 13,888,890 shares of common stock at an exercise price of $1.08 per share. The Inducement Warrants will be exercisable on or after the date on which the Company obtains the required stockholder approval and will expire five years after their initial exercise date. The shares of common stock issuable upon exercise of the Existing Warrants are registered pursuant to effective registration statements on Form S-1 (File No. 333-298483).

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The aggregate gross proceeds from the transaction described herein are expected to total approximately $3.0 million, before deducting placement agent fees and expenses.

Roth Capital Partners is acting as the Company’s financial advisor in connection with this transaction.

The transaction is expected to close on or about November 12, 2026, subject to satisfaction of customary closing conditions. The Company intends to use the net proceeds from the transaction for working capital purposes.

The Inducement Warrants described above were offered in a private placement pursuant to an applicable exemption from the registration requirements of the Securities Act of 1933 (the "Securities Act"). The Inducement Warrants, along with the common stock issuable upon their exercise, have not been registered under the Securities Act, and may not be offered or sold in the United States absent registration with the Securities and Exchange Commission ("SEC") or an applicable exemption from such registration requirements. The Company has agreed to file a registration statement with the SEC covering the resale of common stock issuable upon exercise of the New Warrants.

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 the registration or exemption under the securities laws of any such state or jurisdiction.

(Press release, Aptevo Therapeutics, NOV 11, 2026, View Source [SID1234674611])