---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-258665"
form_type: "8-K"
ticker: "APVO"
cik: "0001671584"
company_name: "Aptevo Therapeutics Inc."
filed_at: "2025-10-30T23:59:59+00:00"
generated_at: "2026-05-17T01:22:03.413905+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Aptevo extends shareholder rights agreement Final Expiration Date to Oct 29, 2026

## Summary
- Amendment No. 5 to Rights Agreement extends Final Expiration Date from Nov 2025 to Oct 29, 2026.
- Rights originally adopted Nov 8, 2020; no other terms of the agreement were changed.
- Extension covers contingent rights to purchase 1/1000th of Series A Junior Participating Preferred Stock.
- Broadridge Corporate Issuer Solutions remains rights agent.

## SEC filing metadata
- accession: 0001193125-25-258665
- form_type: 8-K
- ticker: APVO
- cik: 0001671584
- company_name: Aptevo Therapeutics Inc.
- filed_at: 2025-10-30T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 1.01, 3.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1671584/000119312525258665/0001193125-25-258665-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1671584/000119312525258665/apvo-20251030.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-258665
- JSON: https://secwatch.observer/filing/0001193125-25-258665.json
- Plain text: https://secwatch.observer/filing/0001193125-25-258665.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.