Companies / Aptose Biosciences Inc.
Aptose Biosciences Inc.
APTOCIK 882361
Activity
InsidersInstitutions
What the company's own insiders are buying and selling.| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | Rice William G. CEO | Other Sold to issuer | Common Shares | $1.05M | -613K -100.00% | 0 | low |
| Aug 5, 2021 | Wilson Donald R. Jr. 10% owner | Sell Open-market sale | Common Stock | $157.2K | -60K -0.67% | 8,888,275 | medium |
| Aug 3, 2021 | Wilson Donald R. Jr. 10% owner | Buy Open-market buy | Common Stock | $151.4K | +57K +0.64% | 8,948,275 | medium |
| Dec 15, 2021 | Platzer Erich Director | Buy Open-market buy | Common Shares | $139.1K | +120K +88.89% | 255,000 | medium |
| Dec 15, 2021 | Platzer Erich Director | Buy Open-market buy | Common Shares | $117.6K | +100K +32.79% | 405,000 | medium |
| Dec 16, 2021 | Platzer Erich Director | Buy Open-market buy | Common Shares | $68.5K | +50K +12.35% | 455,000 | medium |
| Sep 22, 2023 | Seizinger Bernd R. Director | Buy Open-market buy | Common Shares | $53.4K | +17K | 17,000 | low |
| Jun 21, 2021 | Whitehead Warren Director | Sell Open-market sale | Common Shares | $51.6K | -15K -38.50% | 24,600 | low |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| APTO | common | 03835T200 |
| APTO | common | 03835T309 |