# EDGAR Filing Document

**Accession Number:** 0002092554
**File Stem:** 0001213900-25-102636
**Filing Date:** 2025-10
**Character Count:** 17801
**Document Hash:** 3e4fa52a0be578eb2fd61b062b1030f9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-25-102636.hdr.sgml**: 20251027

**ACCESSION NUMBER**: 0001213900-25-102636

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20251027

**DATE AS OF CHANGE**: 20251027

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Harvard Ave Acquisition Corp
- **CENTRAL INDEX KEY:** 0002042460
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-95285
- **FILM NUMBER:** 251420359

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 3RD FLOOR, 166 YEONGSIN-RO
- **STREET 2:** YEONGDENGPO-GU
- **CITY:** SEOUL
- **PROVINCE COUNTRY:** M5
- **BUSINESS PHONE:** 82-10-8781-0823

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 3RD FLOOR, 166 YEONGSIN-RO
- **STREET 2:** YEONGDENGPO-GU
- **CITY:** SEOUL
- **PROVINCE COUNTRY:** M5

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Harvard Ave Acquistion Corp
- **DATE OF NAME CHANGE:** 20241024
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Copley Square LLC
- **CENTRAL INDEX KEY:** 0002092554

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** NO.2, UNIT 1, BUILDING 2
- **STREET 2:** NO. 17 QIANBEI ROAD, WANBOLIN DISTRICT
- **CITY:** TAIYUAN
- **NON US STATE TERRITORY:** SHANXI PROVINCE
- **PROVINCE COUNTRY:** F4
- **ZIP:** 00000
- **BUSINESS PHONE:** 13603510969

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** NO.2, UNIT 1, BUILDING 2
- **STREET 2:** NO. 17 QIANBEI ROAD, WANBOLIN DISTRICT
- **CITY:** TAIYUAN
- **NON US STATE TERRITORY:** SHANXI PROVINCE
- **PROVINCE COUNTRY:** F4
- **ZIP:** 00000

## Exhibit 7.1

**Exhibit 7.1**

**JOINT FILING AGREEMENT**

The undersigned hereby agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned in accordance with the provisions of Rule 13d-l(k) under the Securities Exchange Act of 1934, as amended, and that all subsequent amendments to this statement on Schedule 13D may be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements.

Date: October 22, 2025

---

| | | |
|:---|:---|:---|
| **Copley Square LLC** | **Copley Square LLC** | **Copley Square LLC** |
| By: | /s/ Hongbo Xing | /s/ Hongbo Xing |
|  | Name: | Hongbo Xing |
|  | Title: | Manager |

---

---

| | | |
|:---|:---|:---|
| **Copley Square Sponsor Limited** | **Copley Square Sponsor Limited** | **Copley Square Sponsor Limited** |
| By: | /s/ Hongbo Xing | /s/ Hongbo Xing |
|  | Name: | Hongbo Xing |
|  | Title: | Director |

---

---

| | |
|:---|:---|
| **Hongbo Xing** | **Hongbo Xing** |
| By: | /s/ Hongbo Xing |

---

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**Harvard Ave Acquistion Corp**

*(Name of Issuer)*

**Class A Ordinary Shares, par value $0.0001 per share**

*(Title of Class of Securities)*

**G4330A103**

*(CUSIP Number)*

**Sung Hyuk Lee**<br>Chief Executive Officer<br>3rd Floor, 166 Yongsan, Yeongdengpo-gu<br>Seoul M5 07362<br>82-10-8781-0823

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

**10/22/2025**

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

| **CUSIP No.** | **G4330A103** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Copley Square LLC** | Name of reporting person<br>**Copley Square LLC** | |
| 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>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 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>**CAYMAN ISLANDS** | Citizenship or place of organization<br>**CAYMAN ISLANDS** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**4368432.00** |
| 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>**4368432.00** |
| 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>**4368432.00** | Aggregate amount beneficially owned by each reporting person<br>**4368432.00** | |
| 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>**21.1%** | Percent of class represented by amount in Row (11)<br>**21.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** (1) Including (i) 273,947 Class A ordinary shares, par value $0.0001 per share (the "Class A ordinary shares"), of Harvard Ave Acquisition Corporation (the "Issuer") underlying the private units of the Issuer ("Private Units") to be acquired by Copley Square LLC (the "Sponsor") in a private placement (the "Private Placement") simultaneously with the consummation of the initial public offering of the Issuer (the "IPO"); and (ii) 764,892 Class A ordinary shares to be acquired by the Sponsor in the Private Placement. Each Private Unit consists of one Class A ordinary share and one right to receive one-tenth (1/10) of one Class A ordinary share, and (ii) 3,329,593 Class B ordinary shares, par value$0.0001 per share (the "Class A ordinary shares"), (the "Class B ordinary shares" and together with Class A ordinary shares, the "Ordinary Shares") of the Issuer acquired by the Sponsor prior to the IPO.

(2) The Sponsor is the record holder of the securities reported herein. Mr. Hongbo Xing is the sole manager of the Sponsor. Copley Square Sponsor Limited is the managing member of the Sponsor. Mr. Hongbo Xing is the sole member and sole director of Copley Square Sponsor Limited, which entitles him to voting, dispositive or investment power over the Sponsor. As such, Mr. Hongbo Xing is deemed to have voting and dispositive rights over the securities of the Issuer held by the Sponsor.

| **CUSIP No.** | **G4330A103** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Copley Square Sponsor Limited** | Name of reporting person<br>**Copley Square Sponsor 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>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 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>**CAYMAN ISLANDS** | Citizenship or place of organization<br>**CAYMAN ISLANDS** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**4368432.00** |
| 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>**4368432.00** |
| 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>**4368432.00** | Aggregate amount beneficially owned by each reporting person<br>**4368432.00** | |
| 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>**21.1%** | Percent of class represented by amount in Row (11)<br>**21.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** Copley Square Sponsor Limited is the managing member of the Sponsor.

| **CUSIP No.** | **G4330A103** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Hongbo Xing** | Name of reporting person<br>**Hongbo Xing** | |
| 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>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 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>**4368432.00** |
| 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>**4368432.00** |
| 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>**4368432.00** | Aggregate amount beneficially owned by each reporting person<br>**4368432.00** | |
| 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>**21.1%** | Percent of class represented by amount in Row (11)<br>**21.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** The Sponsor is the record holder of the securities reported herein. Mr. Hongbo Xing is the sole manager of the Sponsor. Copley Square Sponsor Limited is the managing member of the Sponsor. Mr. Hongbo Xing is the sole member and sole director of Copley Square Sponsor Limited, which entitles him to voting, dispositive or investment power over the Sponsor. As such, Mr. Hongbo Xing is deemed to have voting and dispositive rights over the securities of the Issuer held by the Sponsor.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Class A Ordinary Shares, par value $0.0001 per share

**(b) Name of Issuer:**
Harvard Ave Acquistion Corp

**(c) Address of Issuer's Principal Executive Offices:**
3rd Floor, 166 Yongsan, Yeongdengpo-gu, Seoul, M5, 07362

**Item 4. Purpose of Transaction**

On September 19, 2024, (1) the Issuer issued 7,187,500 Class B ordinary shares to Copley Square Sponsor Limited for a purchase price of $25,000, and (2) Copley Square Sponsor Limited surrendered one Class A ordinary shares of a par value of $0.0001 each. On October 18, 2024, Copley Square Sponsor Limited transferred to certain directors and officers of the Issuer an aggregate amount of 220,000 Class B ordinary shares, and all at the original purchase price when Copley Square Sponsor Limited acquired such shares from the Issuer. On July 14, 2025, Copley Square Sponsor Limited surrendered 287,500 Class B ordinary shares it held, and on August 14, 2025 transferred the remaining 6,680,000 Class B ordinary shares to the Sponsor in exchange for becoming the managing member of The Sponsor. In addition, on September 16, 2025, the Sponsor transferred 2,438,546 Class B ordinary shares to Northlake Partners Ltd. at $0.0036 per share. On October 22, 2025 and October 24, 2025, the Sponsor surrendered 591,974 Class B ordinary shares and 319,887 Class B ordinary shares, respectfully. On October 24, 2025, simultaneously with the Issuer's IPO, the Sponsor acquired 273,947 Private Units and 764,892 Class A ordinary shares in the Private Placement. Each Private Unit consists of one Class A ordinary share of the Issuer and one right to receive one-tenth (1/10) of one Class A ordinary share of the Issuer.

Depending on prevailing market, economic and other conditions, the Reporting Persons may from time to time acquire additional Ordinary Shares or engage in discussions with the Issuer concerning future acquisitions of its shares. Such acquisitions may be made by means of open-market purchases, privately negotiated transactions, direct acquisitions from the Issuer or otherwise. Except as set forth in this Item 4, the Reporting Persons have no plans or proposals that relate to or would result in: (a) the acquisition by any person of additional securities of the Issuer, or the disposition of securities of the Issuer; (b) an extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the Issuer or any of its subsidiaries; (c) a sale or transfer of a material amount of assets of the Issuer or any of its subsidiaries; (d) any change in the present board of directors of the Issuer (the "Board") or management of the Issuer, including any plans or proposals to change the number or term of directors or to fill any existing vacancies on the Board; (e) any material change in the present capitalization or dividend policy of the Issuer; (f) any other material change in the Issuer's business or corporate structure, including but not limited to, if the Issuer is a registered closed-end investment company; (g) changes in the Issuer's charter, by-laws or instruments corresponding thereto or other actions which may impede the acquisition of control of the Issuer by any person; (h) causing a class of securities of the Issuer to be delisted from a national securities exchange or to cease to be authorized to be quoted in an inter-dealer quotation system of a registered national securities association; (i) a class of equity securities of the Issuer becoming eligible for termination of registration pursuant to Section 12(g)(4) of the Securities Exchange Act of 1934, as amended; or (j) any action similar to any of those enumerated above. The Reporting Persons may, at any time and from time to time, formulate other purposes, plans or proposals regarding the Issuer, or any other actions that could involve one or more of the types of transactions or have one or more of the results described in clauses (a) through (j) of Item 4 of Schedule 13D.

**Item 5. Interest in Securities of the Issuer**

**(a)**
The responses to Items 7 - 13 of the cover pages of this Schedule 13D are incorporated herein by reference. The aggregate number and percentage of ordinary shares beneficially or directly owned by the Reporting Persons is based upon a total of 20,693,189 ordinary shares outstanding as of October 24, 2025. The Reporting Persons beneficially own 4,368,432 ordinary shares, representing approximately 21.1% issued and outstanding ordinary shares.

**(b)**
The responses to Items 7 - 13 of the cover pages of this Schedule 13D are incorporated herein by reference. The beneficial ownership of the Reporting Persons is 4,368,432 ordinary shares, representing approximately 21.1% issued and outstanding ordinary shares.

**(c)**
Other than the disposition of the shares as reported in this Schedule 13D, no actions in the ordinary shares were effected during the past sixty (60) days by the Reporting Persons.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

The information set forth in Items 4 of this Schedule 13D are hereby incorporated by reference into this Item 6.

### 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:** Copley Square LLC

**Signature:** /s/ Hongbo Xing

**Name/Title:** Hongbo Xing/Manager

**Date:** 10/27/2025

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:** Copley Square Sponsor Limited

**Signature:** /s/ Hongbo Xing

**Name/Title:** Hongbo Xing/Director

**Date:** 10/27/2025

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:** Hongbo Xing

**Signature:** /s/ Hongbo Xing

**Name/Title:** Hongbo Xing

**Date:** 10/27/2025