Ma Jun William (CIK 2142655) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-03). Recent activity: Buy ZBAO (30,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-03 | Zhibao Technology Inc. (ZBAO) | Director | Buy | 30,000 | $0 |
Source: SEC Form 4 filings · as of 2026-08-03