Cao Yu

CIK: 0002054128

Transaction Breakdown

Open Market Buys (P)2 (66.7%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)1 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MINM

FiEE, Inc.

Officer10% Owner

Discretionary Trading P&L

Holdings

Transaction History (3 total)

FIEE
FiEE, Inc.
May 12, 2026
Award(A)
Direct
143.6K shares-
MINM
FiEE, Inc.
May 9, 2025
Purchase(P)
Direct
1.6M shares at avg. $1.64$2.6M
MINM
FiEE, Inc.
Apr 10, 2025
Purchase(P)
Series A Convertible Preferred Stock
Direct
15.9K shares-

		Type	Shares	Price		Ownership
May 12, 2026	FIEE FiEE, Inc.	Award(A)	143,561	-	$0	Direct
May 9, 2025	MINM FiEE, Inc.	Purchase(P)	1,585,366	$1.64	$2,600,000	Direct
Apr 10, 2025	MINM FiEE, Inc.	Purchase(P) Series A Convertible Preferred Stock	15,913	-	-	Direct

1-3 of 3 transactions

About Yu Cao

Yu Cao (SEC CIK 0002054128) files insider reports with the SEC as Chief Financial Officer of FiEE, Inc. (MINM).

Signal8 holds 4 ownership filings by Yu Cao (1 Form 3, 3 Form 4), filed between Feb 28, 2025 and May 14, 2026. Those filings report 3 transactions, from Apr 10, 2025 to May 12, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Yu Cao's filings is in SUZHOU, F4.

Recent filings by Yu Cao

May 12, 2026: Grant or award of FIEE shares (Form 4, code A).
May 9, 2025: Open-market purchase of MINM shares (Form 4, code P).
Apr 10, 2025: Open-market purchase of MINM derivative securities (Form 4, code P).

Other insiders filing for FiEE, Inc. (MINM)

Chung Li Wai, Chief Executive Officer
NATAN DAVID, Director
Wen Hongya, Director
Bin Hu, 10% Owner
Lazar David E., Director
HITCHCOCK JEREMY P., 10% Owner

How to read Form 4 transaction codes