Yu Cao — SEC Form 4 filings
SEC reporting owner CIK 2054128. 3 Form 4 filings on record with FilingPulse; latest filed 2026-05-14.
Transaction summary — filings shown
Covers all 3 filings on record, filed 2025-04-14 to 2026-05-14. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 1,585,366 shares, $2,600,000 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 2.
- Largest priced transaction: purchase of 1,585,366 shares @ $1.64 ($2,600,000) in FiEE, Inc., filed 2025-05-13.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| FiEE, Inc. (FIEE) | Chief Financial Officer, Director, 10% owner | 3 | 1 leg · 1,585,366 sh · $2,600,000 | — | 2 |
Form 4 filings — Yu Cao
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-14 | 4 | FiEE, Inc. (FIEE) | Grant/award (A): 143,561 @ $0 | EDGAR |
| 2025-05-13 | 4 | FiEE, Inc. (MINM) | Purchase (P): 1,585,366 @ $1.64 | EDGAR |
| 2025-04-14 | 4 | FiEE, Inc. (MINM) | Purchase (P): 15,913 (derivative) | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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