Insiders / Platzer Erich
Platzer Erich
CIK 1275087personinsider
Companies
1
First seen
Jan 6, 2021
Last activity
Jul 1, 2026
Holdings
1 companyView all →
| Company / security | 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 |
|---|---|---|---|---|---|---|
| Dec 15, 2021 | Buy Open-market buy | APTO Aptose Biosciences Inc. Common Shares | $139.1K | +120K +88.89% | 255,000 | medium |
| Dec 15, 2021 | Buy Open-market buy | APTO Aptose Biosciences Inc. Common Shares | $117.6K | +100K +32.79% | 405,000 | medium |
| Dec 16, 2021 | Buy Open-market buy | APTO Aptose Biosciences Inc. Common Shares | $68.5K | +50K +12.35% | 455,000 | medium |
| Dec 16, 2021 | Buy Open-market buy | APTO Aptose Biosciences Inc. Common Shares | $41.4K | +30K +6.59% | 485,000 | low |
| Dec 15, 2021 | Buy Open-market buy | APTO Aptose Biosciences Inc. Common Shares | $35.7K | +30K +10.91% | 305,000 | low |
| Dec 16, 2021 | Buy Open-market buy | APTO Aptose Biosciences Inc. Common Shares | $28.0K | +20K +4.12% | 505,000 | low |
| Dec 15, 2021 | Buy Open-market buy | APTO Aptose Biosciences Inc. Common Shares | $24.0K | +20K +7.84% | 275,000 | low |
| Jun 30, 2026 | Other Sold to issuer | APTO Aptose Biosciences Inc. Common Shares | $1.9K | -1K -100.00% | 0 | low |
| Jan 18, 2022 | Grant Grant or award | APTO Aptose Biosciences Inc. Director Stock Option (Right to Buy) | — | +50K | 50,000 | low |
| Jun 30, 2026 | Other Sold to issuer | APTO Aptose Biosciences Inc. Director Stock Option (Right to Buy) | — | -60K -100.00% | 0 | low |