Yu Cao (CIK 2054128) reported 2 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-14). Recent activity: Buy FIEE (143,561 shares), Buy MINM (1.6M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-14 | FiEE, Inc. (FIEE) | Chief Financial Officer | Buy | 143,561 | $0 |
| 2025-05-13 | FiEE, Inc. (MINM) | Chief Financial Officer | Buy | 1.6M | $2.6M |
Source: SEC Form 4 filings · as of 2026-05-14