Aptevo Therapeutics Inc.

APVO·NASDAQ·$4.89Share Price as of 11/2·$11MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/14/26 10-QQ1 ended 03/31/2605/13/26 10-KFY 202503/26/26 10-QQ3 ended 09/30/2511/06/25 10-QQ2 ended 06/30/2508/11/25

Disclosures

8-KCurrent report10/26/26 8-KCurrent report10/23/26 8-KCurrent report10/14/26 8-KCurrent report09/24/26 8-KCurrent report09/23/26

Prospectuses and Registrations

424B5Prospectus supplement10/30/26 S-8Registration of securities for employees09/25/26 424B4Prospectus09/03/26 S-1Registration statement (IPO)08/21/26 S-8Registration of securities for employees07/24/26

Proxies

DEF 14ADefinitive proxy08/31/26 PRE 14APreliminary proxy08/21/26 DEF 14ADefinitive proxy07/31/26 DEF 14ADefinitive proxy01/26/26 PRE 14APreliminary proxy01/16/26

Ownership

SC 13G/ABeneficial ownership (amended)08/14/26 Form 4Insider transaction08/10/26 Form 4Insider transaction08/10/26 Form 4Insider transaction08/10/26 Form 4Insider transaction08/10/26

Other

EFFECTRequest for effectiveness09/02/26 CORRESPCorrespondence with the SEC08/31/26 UPLOADLetter from the SEC08/27/26 DD08/26/26 ARSAnnual report to shareholders07/31/26