---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-24-002427"
form_type: "8-K"
ticker: "APTOF"
cik: "0000882361"
company_name: "Aptose Biosciences Inc."
filed_at: "2024-05-01T23:59:59+00:00"
generated_at: "2026-06-03T03:42:30.974407+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Aptose Biosciences amends employment agreements with CEO, CMO, and CFO to harmonize change of control provisions

## Summary
- CEO William Rice's base salary increased to $648,960, with bonus up to 55% of base and auto allowance of $18,000.
- CMO Rafael Bejar's salary increased to $509,600, added Senior VP title, and updated severance for change of control.
- CFO Fletcher Payne's salary increased to $479,440, added Chief Business Officer and Corporate Secretary titles.
- Each amendment harmonizes change of control provisions and updates compensation terms for the three executives.

## SEC filing metadata
- accession: 0001171843-24-002427
- form_type: 8-K
- ticker: APTOF
- cik: 0000882361
- company_name: Aptose Biosciences Inc.
- filed_at: 2024-05-01T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/882361/000117184324002427/0001171843-24-002427-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/882361/000117184324002427/f8k_050124.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-24-002427
- JSON: https://secwatch.observer/filing/0001171843-24-002427.json
- Plain text: https://secwatch.observer/filing/0001171843-24-002427.txt

## Key facts
- Executive change
  Rafael Bejar was appointed as Senior Vice President and Chief Medical Officer at Aptose Biosciences Inc..
  - Action: appointed
  - Role: Senior Vice President and Chief Medical Officer
  source text: The amendment also added the title of Senior Vice President to Mr. Bejar’s position,
  evidence_url: https://www.sec.gov/Archives/edgar/data/882361/000117184324002427/0001171843-24-002427-index.htm
- Executive change
  Fletcher Payne was appointed as Senior Vice President, Chief Financial Officer, Chief Business Officer, and Corporate Secretary at Aptose Biosciences Inc..
  - Action: appointed
  - Role: Senior Vice President, Chief Financial Officer, Chief Business Officer, and Corporate Secretary
  source text: The amendment also added the titles of Chief Business Officer and Corporate Secretary to Mr. Payne’s position.
  evidence_url: https://www.sec.gov/Archives/edgar/data/882361/000117184324002427/0001171843-24-002427-index.htm

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