Bank of America Corp. Reports 15% Ownership in Aptevo Therapeutics Inc.

Bank of America Corporation, along with its wholly owned subsidiaries BofA Securities, Inc. and Bank of America N.A., has reported a 15% ownership in Aptevo Therapeutics Inc. as of September 30, 2025. The filing, made under Rule 13d-1(b), indicates that Bank of America Corp. beneficially owns 494,341 shares of Aptevo Therapeutics' common stock. The shares are held in the ordinary course of business and not for the purpose of influencing the control of the issuer. The calculation of the percentage owned is based on 3,287,918 outstanding shares referenced in Aptevo Therapeutics' Form 10-Q filed on August 11, 2025. The filing was signed by Andres Ortiz, an Authorized Signatory, on October 6, 2025.