SCHEDULE 13G/A

APTEVO THERAPEUTICS INC

Common Stock, $0.001 par value per share · CUSIP: 03835L702

Event date: 2026-09-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Ayrton Capital LLC

  Shares: 69,965.00 · Class: 3.72%

• Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B

  Shares: 69,965.00 · Class: 3.72%

• Waqas Khatri

  Shares: 69,965.00 · Class: 3.72%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.