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Ownership Document
|
| Schema Version: X0508 |
| Document Type: 4 |
| Period of Report: 2/5/24 |
| Issuer: |
| Issuer CIK: 882361 |
| Issuer Name: Aptose Biosciences Inc. |
| Issuer Trading Symbol: APTO |
| Reporting Owner: |
| Reporting Owner ID: |
| | Owner CIK: 1797382 |
| | Owner Name: Bejar Rafael |
| Reporting Owner Address: |
| | Owner Street 1: C/O APTOSE BIOSCIENCES INC. |
| | Owner Street 2: 251 CONSUMERS ROAD, SUITE 1105 |
| | Owner City: TORONTO |
| | Owner State: A6 |
| | Owner ZIP Code: M2J 4R3 |
| | Owner State Description: ONTARIO, CANADA |
| Reporting Owner Relationship: |
| | Is Officer? Yes |
| | Officer Title: Sr VP & Chief Medical Officer |
| Aff 10b5 One? No |
| Derivative Table: |
| Derivative Transaction: |
| | Security Title: |
| | | Value: Employee Stock Option (Right to Buy) |
| | Conversion or Exercise Price: |
| | | Value: 2 |
| | Transaction Date: |
| | | Value: 2/5/24 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: A |
| | | Equity Swap Involved? No |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 35,000 |
| | | Transaction Price Per Share: |
| Value: 0 |
| | | Transaction Acquired-Disposed Code: |
| Value: A |
| | Exercise Date: |
| | | Footnote ID: F1 |
| | Expiration Date: |
| | | Value: 2/5/34 |
| | Underlying Security: |
| | | Underlying Security Title: |
| Value: Common Shares |
| | | Underlying Security Shares: |
| Value: 35,000 |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 35,000 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Footnotes: |
| Footnote - F1: 50% of the options vest on February 5, 2025, with the remaining options vesting as follows: 1/3 on February 5, 2026; 1/3 on February 5, 2027; and 1/3 on February 5, 2028. |
| Owner Signature: |
| Signature Name: /s/ Rafael Bejar |
| Signature Date: 2/6/24 |
