---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-26-001777"
form_type: "8-K"
ticker: "APTOF"
cik: "0000882361"
company_name: "Aptose Biosciences Inc."
filed_at: "2026-03-19T23:59:59+00:00"
generated_at: "2026-05-15T09:46:18.196600+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# ISS recommends Aptose shareholders vote FOR Hanmi arrangement at C$2.41/share

## Summary
- ISS recommends voting FOR the arrangement with Hanmi Pharmaceutical and the continuance to ABCA.
- Shareholders to receive C$2.41 per share cash, a 28% premium over the 30-day VWAP of C$1.88.
- Special meeting reconvened to March 31, 2026; proxy deadline is March 27, 2026 at 11:00 AM ET.
- Board of directors unanimously recommends approval of the arrangement resolution.
- Completion subject to court approval, TSX approval, and other customary conditions.

## SEC filing metadata
- accession: 0001171843-26-001777
- form_type: 8-K
- ticker: APTOF
- cik: 0000882361
- company_name: Aptose Biosciences Inc.
- filed_at: 2026-03-19T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/882361/000117184326001777/0001171843-26-001777-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/882361/000117184326001777/f8k_031926.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-26-001777
- JSON: https://secwatch.observer/filing/0001171843-26-001777.json
- Plain text: https://secwatch.observer/filing/0001171843-26-001777.txt

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