Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Bernd R. Seizinger files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Richard Peters - $100K in APRE purchases and sales in the last 12 months
- Jared Kelly - $34K in ONCY purchases and sales in the last 12 months
- Patricia S. Andrews - $30K in ONCY purchases and sales in the last 12 months
- John P. Hamill - $30K in APRE purchases and sales in the last 12 months
- Andrew Aromando - $25K in ONCY purchases and sales in the last 12 months
- Wayne Pisano - $25K in ONCY purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Bernd R. Seizinger?
Bernd R. Seizinger is a corporate insider of Aptose Biosciences Inc. (APTO). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Bernd R. Seizinger last file a Form 4?
The most recent primary Form 4 on record is dated 2 July 2026, one of 6 filings going back to 2024.
Has Bernd R. Seizinger been buying or selling stock?
Recorded transactions: 4 open-market purchases ($214K) and 0 open-market sales across all tracked filings.