---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-120188"
form_type: "8-K"
ticker: "APVO"
cik: "0001671584"
company_name: "Aptevo Therapeutics Inc."
filed_at: "2024-11-04T23:59:59+00:00"
generated_at: "2026-05-30T06:08:42.210580+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "medium"
source: SEC EDGAR
---

# Aptevo Therapeutics extends poison pill expiration to Oct 2025, adjusts purchase price to $70

## Summary
- Amendment No. 4 extends Rights Agreement Final Expiration Date to October 31, 2025.
- Purchase Price changed to $70 per one one-thousandth of a Series A Preferred Share.
- Rights Agreement originally dated November 8, 2020; Amendment modified rights of security holders.
- Entered into with Broadridge Corporate Issuer Solutions as Rights Agent.

## SEC filing metadata
- accession: 0000950170-24-120188
- form_type: 8-K
- ticker: APVO
- cik: 0001671584
- company_name: Aptevo Therapeutics Inc.
- filed_at: 2024-11-04T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: medium
- sec_items: 1.01, 3.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1671584/000095017024120188/0000950170-24-120188-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1671584/000095017024120188/apvo-20241101.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-120188
- JSON: https://secwatch.observer/filing/0000950170-24-120188.json
- Plain text: https://secwatch.observer/filing/0000950170-24-120188.txt

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