Whitehead Warren (CIK 1761449) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-01). Recent activity: Sell APTO (33 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-01 | Aptose Biosciences Inc. (APTO) | Insider | Sell | 33 | $57 |
来源：SEC Form 4 申报文件 · 截至 2026-07-01