Updated Jul 16, 2026
Rice William G. has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $20K.
William G. Rice is the Chair, President, and CEO of Aptose Biosciences Inc., a biotechnology company focused on developing cancer therapies. He has a background in the pharmaceutical and biotech industries, contributing to the advancement of innovative treatments.
| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-01 | APTO | Aptose Biosciences Inc. | D — Derivative transaction | 613.3K | $1.72 | $1.05M |
| 2024-11-26 | APTO | Aptose Biosciences Inc. | P — Open-market purchase | 100.0K | $0.20 | $20K |
William G. Rice is the Chair, President, and CEO of Aptose Biosciences Inc., a biotechnology company focused on developing cancer therapies. He has a background in the pharmaceutical and biotech industries, contributing to the advancement of innovative treatments.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 2 open-market purchases ($20K) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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