Sheffield Mark (CIK 2016130) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-06-02). Recent activity: Buy MAMO (2,250 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-06-02 | Massimo Group (MAMO) | Director | Buy | 2,250 | $0 |
来源：SEC Form 4 申报文件 · 截至 2025-06-02