Bleichroeder LP - 19 Mar 2025 SCHEDULE 13G/A Report for Aptose Biosciences Inc. Common Shares (APTO)

Filing Manager
Bleichroeder LP
Reporting Manager
Bleichroeder LP
Symbol
APTO
Shares outstanding
60,483,871 shares
Disclosed Ownership
3,750,000 shares
Ownership
6.2%
Form type
SCHEDULE 13G/A
Filing time
21 Mar 2025, 19:14:11 UTC
Date of event
19 Mar 2025
Previous filing
13 Feb 2025
Next filing
24 Mar 2025

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Bleichroeder LP 6.2% 3,750,000 3,750,000 0 Andrew Gundlach Andrew Gundlach, President and CEO
Bleichroeder Holdings LLC 6.2% 3,750,000 3,750,000 0 Andrew Gundlach Andrew Gundlach, President and CEO
Andrew Gundlach 6.2% 3,750,000 3,750,000 0 Andrew Gundlach Andrew Gundlach, Individual