# EDGAR Filing Document

**Accession Number:** 0001742952
**File Stem:** 0001839544-25-000016
**Filing Date:** 2025-6
**Character Count:** 9963
**Document Hash:** 8ec53aa90b6f8e89c0b4d1ebf6e6535f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001839544-25-000016.hdr.sgml**: 20250602

**ACCESSION NUMBER**: 0001839544-25-000016

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250416

**FILED AS OF DATE**: 20250602

**DATE AS OF CHANGE**: 20250602

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Treacy Thomas
- **CENTRAL INDEX KEY:** 0002071148

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 811-23418
- **FILM NUMBER:** 251014150

**MAIL ADDRESS:**
- **STREET 1:** 200 BERKELEY STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** John Hancock GA Mortgage Trust
- **CENTRAL INDEX KEY:** 0001742952

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

**BUSINESS ADDRESS:**
- **STREET 1:** C/O JOHN HANCOCK FUNDS
- **STREET 2:** 200 BERKELEY STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116
- **BUSINESS PHONE:** (617) 663-3000

**MAIL ADDRESS:**
- **STREET 1:** C/O JOHN HANCOCK FUNDS
- **STREET 2:** 200 BERKELEY STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116

## Ex-24

```

<PAGE>

                         SPECIAL POWER OF ATTORNEY FOR
                        JOHN HANCOCK GA MORTGAGE TRUST
                        JOHN HANCOCK SENIOR LOAN TRUST
                         MANULIFE PRIVATE CREDIT FUND

   The undersigned, Thomas Treacy (the "Undersigned") whose business address is
200 Berkeley Street, Boston, MA 02116 hereby appoints Betsy Anne Seel,
Christopher Sechler, Daniel Beauregard, David Pemstein, Mara Moldwin, Steven
Sunnerberg, Sarah Coutu, Kinga Kapuscinski, Khimmara Greer, Jennifer Wilson,
Brian VanDelinder, Jason Pratt and Michael Moyles (each an "Agent,"
collectively the "Agents"), acting singly, the Undersigned's true and lawful
attorney-in-fact to exercise the powers and discretions described below.

   The Undersigned hereby revokes any and all general powers of attorney and
special powers of attorney that he has previously signed that relates to the
same subject matter as the subject of this Special Power of Attorney.

   The Agent shall have full power and authority to act on the Undersigned's
behalf in the particulars specified below.

   This power and authority shall authorize the Agent, on behalf of the
Undersigned to:

    .  apply for EDGAR access by preparing and submitting Form ID on EDGAR Next
       of the United States Securities and Exchange Commission ("SEC"); and

    .  take any and all action, and prepare and sign, on behalf of the
       undersigned any and all documents or instruments (including, without
       limitation, the SEC's Form ID) as the Agent, in his or her discretion,
       deems necessary or convenient to exercise the authority specified by
       this Special Power of Attorney for and on behalf of the Undersigned.

   Furthermore, the Undersigned designates the individuals listed below as
prospective first and second account administrators to have the
responsibilities of managing the EDGAR account established as a result of this
Special Power of Attorney and Form ID application and shall perform such duties
as prescribed by the SEC. Both account administrators shall manage the EDGAR
codes and update all data pertinent to the preparation and transmission of
financial reports to the SEC, including the update of company/individual data
and other parties serving a role in

                                   INTERNAL

<PAGE>

the EDGAR account, such as users who file on behalf of the company/individual.
In addition, the prospective first account administrator shall serve as point
of contact (POC) if the SEC needs to communicate to the managers of the EDGAR
account.

PROSPECTIVE FIRST ACCOUNT ADMINISTRATOR (POC):
Full Name: Pamela Roberts
Title/Position: Senior Legal Specialist
Employer: John Hancock Investment Management
Business Address: 200 Berkeley Street, Boston, MA 02116
Email Address: proberts@jhancock.com
Telephone Number: 617-596-3273

PROSPECTIVE SECOND ACCOUNT ADMINISTRATOR:
Full Name: Sandra Brown
Title/Position: Senior Legal Specialist
Employer: John Hancock Investment Management
Business Address: 200 Berkeley Street, Boston, MA 02116
Email Address: sandrabrown@jhancock.com
Telephone Number: 617-663-4319

   The Undersigned confirms that neither he nor the prospective account
administrators have been criminally convicted as a result of a Federal or state
securities law violation.

   This Special Power of Attorney shall be construed broadly. The listing of
specific powers is not intended to limit or restrict powers incidental thereto
granted in this Special Power of Attorney in any manner.

   The Agent shall not be liable for any loss that results from a judgment
error that was made in good faith. However, the Agent shall be liable for
willful misconduct or the failure to act in good faith while acting under the
authority of this Special Power of Attorney. A successor Agent shall not be
liable for acts of a prior Agent.

   No person who relies in good faith on the authority of the Agent under this
instrument shall incur any liability to the Undersigned, to the Undersigned's
estate, personal representative, successor or assigns. The Undersigned
authorizes the Agent to indemnify and hold harmless any third party who accepts
and acts under this document for and on behalf of the Undersigned.

                                   INTERNAL

<PAGE>

   If any part of any provision of this instrument shall be invalid or
unenforceable under applicable law, such part shall be ineffective to the
extent of such invalidity only, without in any way affecting the remaining
parts of such provision or the remaining provisions of this instrument.

   This Special Power of Attorney shall become effective immediately. This
Special Power of Attorney may be revoked by the Undersigned at any time by
providing written notice signed by the Undersigned to the Agent and shall
continue to be effective until it is revoked by a writing signed by the
Undersigned.

   IN WITNESS WHEREOF, the Undersigned has caused this Special Power of
Attorney to be executed as of this __ day of May 2025.

                                             Signature of Undersigned

                                             By:  /s/ Thomas Treacy
                                                  ------------------------------
                                             Thomas Treacy

   On this ______ day of May 2025, before me, the undersigned notary public,
personally appeared ________________________, proved to me through satisfactory
evidence of identification, which were _____________________, to be the person
whose name is signed on the preceding or attached document in my presence.

                                                  ------------------------------
                                                  Signature of Notary

                                                  (seal)

                                   INTERNAL

```

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Treacy Thomas<br><sub>(Last) (First) (Middle)</sub><br>200 BERKELEY STREET<br><sub>(Street)</sub><br>BOSTON, MA 02116<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>John Hancock GA Mortgage Trust [ N/A ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2025-04-16 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [ ] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_Vice President_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

**Signature:** Betsy Anne Seel, By Power of Attorney  
**Date:** 2025-06-02

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**