Rice William G. (CIK 1761487) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-01). Recent activity: Sell APTO (613,252 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-01 | Aptose Biosciences Inc. (APTO) | Chair, President & CEO | Sell | 613,252 | $1.1M |
Source: SEC Form 4 filings · as of 2026-07-01