Yu Cao - 11 Dec 2025 SCHEDULE 13D/A Report for FiEE, Inc. Common Stock, $0.01 par value (MINM)

Filing Manager
Yu Cao
Reporting Manager
Cao Yu
Security
FiEE, Inc. Common Stock, $0.01 par value
Symbol
MINM
Shares outstanding
10,962,024 shares
Disclosed Ownership
4,615,012 shares
Ownership
42%
Form type
SCHEDULE 13D/A
Filing time
08 Jan 2026, 16:12:03 UTC
Date of event
11 Dec 2025
Previous filing
25 Aug 2025
SEC
View on sec.gov

Quoteable Key Fact

"Yu Cao disclosed 42% ownership in FiEE, Inc. Common Stock, $0.01 par value (MINM) on 11 Dec 2025."

Quick Takeaways

  • Yu Cao filed SCHEDULE 13D/A for FiEE, Inc. Common Stock, $0.01 par value (MINM).
  • Disclosed ownership: 42%.
  • Date of event: 11 Dec 2025.

What Changed

  • Previous schedule filing date: 25 Aug 2025.
  • Current filing was accepted on 08 Jan 2026, 16:12.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Cao Yu 42% 4,615,012 4,615,012 0 /s/ Cao Yu Cao Yu 0002054128
Hu Bin 31% 3,125,745 3,125,745 0 /s/ Hu Bin Hu Bin 0002053987
Youxin Consulting Ltd. 7.6% 649,254 649,254 0 /s/ Li Wai Chung Li Wai Chung 0002053977
Li Wai Chung 7.6% 649,254 649,254 0 /s/ Li Wai Chung Li Wai Chung 0002056059