Filing Manager
ARMISTICE CAPITAL, LLC
Reporting Manager
Armistice Capital, LLC
Symbol
APTO
Shares outstanding
20,546,433 shares
Disclosed Ownership
1,025,267 shares
Ownership
5%
Form type
SCHEDULE 13G/A
Filing time
14 Feb 2025, 16:57:42 UTC
Date of event
31 Dec 2024

Quoteable Key Fact

"ARMISTICE CAPITAL, LLC disclosed 5% ownership in Aptose Biosciences Inc. Common Shares, no par value (APTO) on 31 Dec 2024."

Quick Takeaways

  • ARMISTICE CAPITAL, LLC filed SCHEDULE 13G/A for Aptose Biosciences Inc. Common Shares, no par value (APTO).
  • Disclosed ownership: 5%.
  • Date of event: 31 Dec 2024.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 14 Feb 2025, 16:57.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Armistice Capital, LLC 5% 1,025,267 0 1,025,267 /s/ Steven Boyd Steven Boyd - Managing Member
Steven Boyd 5% 1,025,267 0 1,025,267 /s/ Steven Boyd Steven Boyd