# EDGAR Filing Document

**Accession Number:** 0001467761
**File Stem:** 0001829126-25-006692
**Filing Date:** 2025-8
**Character Count:** 18905
**Document Hash:** b5b5e58f388208d518d431666158819f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001829126-25-006692.hdr.sgml**: 20250825

**ACCESSION NUMBER**: 0001829126-25-006692

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250825

**DATE AS OF CHANGE**: 20250825

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FiEE, Inc.
- **CENTRAL INDEX KEY:** 0001467761
- **STANDARD INDUSTRIAL CLASSIFICATION:** TELEPHONE & TELEGRAPH APPARATUS [3661]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 042621506
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-85044
- **FILM NUMBER:** 251251338

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** FLAT A1, 29/F, BLOCK A
- **STREET 2:** TML TOWER, 3 HOI SHING ROAD
- **CITY:** TSUEN WAN
- **PROVINCE COUNTRY:** K3
- **ZIP:** 00000
- **BUSINESS PHONE:** 833-966-4646

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** FLAT A1, 29/F, BLOCK A
- **STREET 2:** TML TOWER, 3 HOI SHING ROAD
- **CITY:** TSUEN WAN
- **PROVINCE COUNTRY:** K3
- **ZIP:** 00000

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MINIM, INC.
- **DATE OF NAME CHANGE:** 20210609

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Zoom Telephonics, Inc.
- **DATE OF NAME CHANGE:** 20090707
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Yu Cao
- **CENTRAL INDEX KEY:** 0002054128

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**MAIL ADDRESS:**
- **STREET 1:** ROOM 802, BUILDING 47, RONGCHENG GARDEN
- **STREET 2:** XIANGCHENG DISTRICT
- **CITY:** SUZHOU CITY, JIANGSU PROVINCE
- **STATE:** F4
- **ZIP:** 215100

## Ex-1

**Exhibit 1**

**JOINT FILING AGREEMENT**

In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a statement on Schedule 13D (including additional amendments thereto) with respect to the Common Stock, par value $0.01 per share, of FiEE, Inc., a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Schedule 13D.

Dated: August 25, 2025

---

| | |
|:---|:---|
|  | /s/ Cao Yu |
|  | Cao Yu<br>/s/ Hu Bin |
|  | Hu Bin |
|  | Youxin Consulting Limited |
| By: | /s/ Li Wai Chung |
|  | Li Wai Chung |

---

---

| |
|:---|
| /s/ Li Wai Chung |
| Li Wai Chung |

---

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 4)**

**FiEE, Inc.**

*(Name of Issuer)*

**Common Stock, $0.01 par value**

*(Title of Class of Securities)*

**60365W102**

*(CUSIP Number)*

**Cao Yu**<br>Room 802, Building 47,<br>Rongcheng Garden, Xiangcheng District,<br>Suzhou City F4 215100<br>86 152 5004 8607

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**06/23/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **60365W102** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Cao Yu** | Name of reporting person<br>**Cao Yu** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**PF** | Source of funds (See Instructions)<br>**PF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**CHINA** | Citizenship or place of organization<br>**CHINA** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**4615012.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**3568371.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**4615012.00** | Aggregate amount beneficially owned by each reporting person<br>**4615012.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**49.9%** | Percent of class represented by amount in Row (11)<br>**49.9%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** Note to Rows 7 and 11: The above-referenced shares of common stock, $0.01 par value per share (the "Common Stock") beneficially owned by the Reporting Person consist of (i) 1,604,166 shares of Common Stock issuable upon conversion of 1,145,833 shares of Series A Convertible Preferred Stock, $0.001 par value per share (the "Series A Convertible Preferred Stock"), which are convertible into shares of Common Stock at a ratio of 1.4 shares of Common Stock for each share of Series A Convertible Preferred Stock, (ii) 1,425,480 shares of Common Stock issuable upon the exercise of warrants to purchase Common Stock, and (iii) 1,585,366 shares of Common Stock. The shares of Series A Convertible Preferred Stock vote on an as-converted basis without regard to the Preferred Blocker (as defined below).

Note to Row 9: The above-referenced shares of Common Stock beneficially owned by the Reporting Person consist of (i) 557,525 shares of Common Stock issuable upon conversion of Series A Convertible Preferred Stock, (ii) 1,425,480 shares of Common Stock issuable upon the exercise of warrants to purchase Common Stock, and (iii) 1,585,366 shares of Common Stock. The shares of Series A Convertible Preferred Stock are not convertible into more than 19.99% of the number of shares of Common Stock outstanding immediately prior to the original issuance date of the Series A Convertible Preferred Stock (the "Preferred Blocker"); therefore, the Series A Convertible Preferred Stock cannot, in the aggregate, convert into more than 557,525 shares of Common Stock.

| **CUSIP No.** | **60365W102** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Hu Bin** | Name of reporting person<br>**Hu Bin** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**PF** | Source of funds (See Instructions)<br>**PF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**2M** | Citizenship or place of organization<br>**2M** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**3125745.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**2480224.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**3125745.00** | Aggregate amount beneficially owned by each reporting person<br>**3125745.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**36.8%** | Percent of class represented by amount in Row (11)<br>**36.8%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** Note to Rows 7 and 11: The above-referenced shares of Common Stock beneficially owned by the Reporting Person consist of (i) 1,203,046 shares of Common Stock issuable upon conversion of 859,319 shares of Series A Convertible Preferred Stock, which are convertible into shares of Common Stock at a ratio of 1.4 shares of Common Stock for each share of Series A Convertible Preferred Stock, (ii) 1,069,040 shares of Common Stock issuable upon the exercise of warrants to purchase Common Stock, and (iii) 853,659 shares of Common Stock. The shares of Series A Convertible Preferred Stock vote on an as-converted basis without regard to the Preferred Blocker.

Note to Row 9: The above-referenced shares of Common Stock beneficially owned by the Reporting Person consist of (i) 557,525 shares of Common Stock issuable upon conversion of Series A Convertible Preferred Stock, (ii) 1,069,040 shares of Common Stock issuable upon the exercise of warrants to purchase Common Stock, and (iii) 853,659 shares of Common Stock. The shares of Series A Convertible Preferred Stock are subject to the Preferred Blocker; therefore, the Series A Convertible Preferred Stock cannot, in the aggregate, convert into more than 557,525 shares of Common Stock.

| **CUSIP No.** | **60365W102** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Youxin Consulting Limited** | Name of reporting person<br>**Youxin Consulting Limited** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**HONG KONG** | Citizenship or place of organization<br>**HONG KONG** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**649254.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**649254.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**649254.00** | Aggregate amount beneficially owned by each reporting person<br>**649254.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.4%** | Percent of class represented by amount in Row (11)<br>**9.4%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** Note to Rows 7, 9 and 11: The above-referenced shares of Common Stock beneficially owned by the Reporting Person consist of (i) 343,774 shares of Common Stock issuable upon conversion of 245,553 shares of Series A Convertible Preferred Stock, which are convertible into shares of Common Stock at a ratio of 1.4 shares of Common Stock for each share of Series A Convertible Preferred Stock and (ii) 305,480 shares of Common Stock issuable upon the exercise of warrants to purchase Common Stock. The shares of Series A Convertible Preferred Stock vote on an as-converted basis without regard to the Preferred Blocker. The shares of Series A Convertible Preferred Stock are subject to the Preferred Blocker; therefore, the Series A Convertible Preferred Stock cannot, in the aggregate, convert into more than 557,525 shares of Common Stock.

| **CUSIP No.** | **60365W102** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Li Wai Chung** | Name of reporting person<br>**Li Wai Chung** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**HONG KONG** | Citizenship or place of organization<br>**HONG KONG** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**649254.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**649254.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**649254.00** | Aggregate amount beneficially owned by each reporting person<br>**649254.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.4%** | Percent of class represented by amount in Row (11)<br>**9.4%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** Note to Rows 7, 9 and 11: The above-referenced shares of Common Stock beneficially owned by the Reporting Person consist of (i) 343,774 shares of Common Stock issuable upon conversion of 245,553 shares of Series A Convertible Preferred Stock, which are convertible into shares of Common Stock at a ratio of 1.4 shares of Common Stock for each share of Series A Convertible Preferred Stock and (ii) 305,480 shares of Common Stock issuable upon the exercise of warrants to purchase Common Stock. The shares of Series A Convertible Preferred Stock vote on an as-converted basis without regard to the Preferred Blocker. The shares of Series A Convertible Preferred Stock are subject to the Preferred Blocker; therefore, the Series A Convertible Preferred Stock cannot, in the aggregate, convert into more than 557,525 shares of Common Stock.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, $0.01 par value

**(b) Name of Issuer:**
FiEE, Inc.

**(c) Address of Issuer's Principal Executive Offices:**
Flat A1, 29/F, Block A, TML Tower, 3 Hoi Shing Road, Tsuen Wan, K3, 00000

This Amendment No. 4 to the Schedule 13D ("Amendment No. 4") amends and supplements the Schedule 13D filed by Cao Yu, Hu Bin, Youxin Consulting Limited and Li Wai Chung (collectively, the "Reporting Persons") on February 25, 2025 (as amended by Amendment No. 1, filed on April 14, 2025, Amendment No. 2, filed on May 13, 2025, and Amendment No. 3, filed on May 29, 2025, the "Schedule 13D"). This Amendment No. 4 is being filed to (i) update Item 4 of the Schedule 13D and (ii) report that the percentage of outstanding shares of Common Stock that the Reporting Persons may be deemed to beneficially own increased by more than one percent (1%). Except as specifically provided herein, this Amendment No. 4 does not modify any of the information previously reported in the Schedule 13D. Capitalized terms used but not defined in this Amendment No. 4 shall have the same meanings ascribed to them in the Schedule 13D.

**Item 4. Purpose of Transaction**

Item 4 is hereby amended to add the following:

As previously disclosed, on February 18, 2025, the Issuer entered into the February 18, 2025 SPA with Seller and Purchasers, whereby Seller sold to the Purchasers (i) 2,219,447 shares of Preferred Stock, (ii) the Warrant and (iii) the Lazar Receivables and on May 9, 2025, the Issuer entered into a Second Amended and Restated Securities Purchase Agreement with Seller and Purchasers pursuant to which, among other things, the Purchasers agreed to surrender the Warrant to the Issuer for cancellation.  On June 23, 2025, the disinterested directors on the Board of Directors of the Issuer independently deemed it advisable and in the best interest of the Issuer to allow the Warrant to remain outstanding, which such decision was approved by unanimous consent of the entire Board of Directors.  As a result of the transactions described above: Cau Yu acquired warrants to purchase 1,425,480 shares of Common Stock; Hu Bin acquired warrants to purchase 1,069,040 shares of Common Stock and Youxin Consulting Limited acquired warrants to purchase 305,480 shares of Common Stock.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Cao Yu

**Signature:** /s/ Cao Yu

**Name/Title:** Cao Yu

**Date:** 08/25/2025

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Hu Bin

**Signature:** /s/ Hu Bin

**Name/Title:** Hu Bin

**Date:** 08/25/2025

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Youxin Consulting Limited

**Signature:** /s/ Li Wai Chung

**Name/Title:** Li Wai Chung

**Date:** 08/25/2025

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Li Wai Chung

**Signature:** /s/ Li Wai Chung

**Name/Title:** Li Wai Chung

**Date:** 08/25/2025