Insiders / Whitehead Warren
Whitehead Warren
CIK 1761449personinsider
Companies
1
First seen
Jan 6, 2021
Last activity
Jul 1, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Aptose Biosciences Inc. · APTO | 0 | — |
Activity
InsidersInstitutions
This person's trades in company stock, across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jun 21, 2021 | Sell Open-market sale | APTO Aptose Biosciences Inc. Common Shares | $51.6K | -15K -38.50% | 24,600 | low |
| Jun 22, 2021 | Sell Open-market sale | APTO Aptose Biosciences Inc. Common Shares | $31.1K | -10K -39.02% | 15,000 | low |
| Jun 30, 2026 | Other Sold to issuer | APTO Aptose Biosciences Inc. Common Shares | $57 | -33 -100.00% | 0 | low |
| Jun 30, 2026 | Other Sold to issuer | APTO Aptose Biosciences Inc. Director Stock Option (Right to Buy) | — | -53K -100.00% | 0 | low |
| Jun 30, 2026 | Other Sold to issuer | APTO Aptose Biosciences Inc. Stock Options (Right to Buy) | — | -40K -100.00% | 0 | low |
| Jun 30, 2026 | Other Sold to issuer | APTO Aptose Biosciences Inc. Director Option Grant | — | -153K -100.00% | 0 | low |
| Jun 30, 2026 | Other Sold to issuer | APTO Aptose Biosciences Inc. Director Option Grant | — | -50K -100.00% | 0 | low |
| Jun 30, 2026 | Other Sold to issuer | APTO Aptose Biosciences Inc. Director Stock Option (Right to Buy) | — | -50K -100.00% | 0 | low |
| Jun 30, 2026 | Other Sold to issuer | APTO Aptose Biosciences Inc. Director Option Grant | — | -50K -100.00% | 0 | low |
| Jun 30, 2026 | Other Sold to issuer | APTO Aptose Biosciences Inc. Director Option Grant | — | -50K -100.00% | 0 | low |