SCHEDULE 13G 0001288478 XXXXXXXX LIVE Common Stock, $0.001 par value 04/03/2025 0001671584 Aptevo Therapeutics Inc. 03835L306 2401 4TH AVE. SUITE 1050 SEATTLE WA 98121 Rule 13d-1(c) BIGGER CAPITAL FUND L P a DE 0.00 200000.00 0.00 200000.00 200000.00 N 6.20 PN Bigger Capital Fund GP, LLC a DE 0.00 200000.00 0.00 200000.00 200000.00 N 6.20 OO Bigger Michael a X1 0.00 200000.00 0.00 200000.00 200000.00 N 6.20 IN Aptevo Therapeutics Inc. 2401 4th Avenue, Suite 1050, Seattle, WA 98121 Bigger Capital Fund, LP ("Bigger Capital") Bigger Capital Fund GP, LLC ("Bigger GP") Michael Bigger Each of the foregoing is referred to as a "Reporting Person" and collectively as the "Reporting Persons." Bigger Capital Fund, LP 11700 W Charleston Blvd. 170-659 Las Vegas, NV 89135 Bigger Capital Fund GP, LLC 11700 W Charleston Blvd. 170-659 Las Vegas, NV 89135 Michael Bigger 11700 W Charleston Blvd. 170-659 Las Vegas, NV 89135 Bigger Capital Fund, LP Delaware Bigger Capital Fund GP, LLC Delaware Michael Bigger USA Y As of April 3, 2025, Bigger Capital beneficially owned 200,000 shares of Common Stock. The amount does not include 859,776 shares of Common Stock issuable upon the exercise of Common Warrants, the exercise of which is subject to a 4.99% beneficial ownership limitation. Bigger GP, as the general partner of Bigger Capital, may be deemed to beneficially own the Issuer's securities described herein. Mr. Bigger, as the managing member of Bigger GP, the general partner of Bigger Capital, may be deemed to beneficially own the 200,000 shares of Common Stock beneficially owned by Bigger Capital. Does not include 859,776 shares of Common Stock issuable upon the exercise of Common Warrants, the exercise of which is subject to a 4.99% beneficial ownership limitation. The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of any shares of Common Stock owned by another Reporting Person or any other person. Each of Bigger GP and Mr. Bigger disclaims beneficial ownership of the shares of Common Stock beneficially owned by Bigger Capital. The filing of this statement shall not be construed as an admission that any such person or entity is the beneficial owner of any such securities. As of the close of business on April 3, 2025, the Reporting Persons sold the Common Stock. The Common Warrants are not exercisable as of the date hereof and are subject to a 4.99% beneficial ownership limitation. The following percentages are based on 3,223,214 shares of Common Stock outstanding immediately after the offering, based upon the Issuer's Prospectus filed under Rule 424(b)(4) with the Securities Exchange Commission on April 4, 2025. As of April 3, 2025, (i) each of Bigger Capital and Bigger GP may be deemed to beneficially own 6.20% of the outstanding shares of Common Stock, and (ii) Mr. Bigger may be deemed to beneficially own approximately 6.20% of the outstanding shares of Common Stock. Does not include 859,776 shares of Common Stock issuable upon the exercise of Common Warrants, the exercise of which is subject to a 4.99% beneficial ownership limitation. Regarding Item 5 below, as of the close of business on April 3, 2025, the Reporting Persons sold all of their Common Stock and accordingly, the Reporting Persons as of April 3, 2025, are not the beneficial owners of at least 5.00% of the Issuer's Common Stock. The Common Warrants are not exercisable as of the date hereof and are subject to a 4.99% beneficial ownership limitation. See Cover Pages Items 5-9. See Cover Pages Items 5-9. See Cover Pages Items 5-9. See Cover Pages Items 5-9. N Y Y Y N See Exhibit 99.1. Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. BIGGER CAPITAL FUND L P /s/ Michael Bigger 04/08/2025 Bigger Capital Fund GP, LLC /s/ Michael Bigger 04/08/2025 Bigger Michael /s/ Michael Bigger 04/08/2025