# EDGAR Filing Document

**Accession Number:** 0001950123
**File Stem:** 0000935836-25-000681
**Filing Date:** 2025-11
**Character Count:** 14594
**Document Hash:** 4883de3608907bbc424067284a6c9257
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000935836-25-000681.hdr.sgml**: 20251114

**ACCESSION NUMBER**: 0000935836-25-000681

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

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20251114

**DATE AS OF CHANGE**: 20251114

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GRAN TIERRA ENERGY INC.
- **CENTRAL INDEX KEY:** 0001273441
- **STANDARD INDUSTRIAL CLASSIFICATION:** CRUDE PETROLEUM & NATURAL GAS [1311]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-83601
- **FILM NUMBER:** 251483928

**BUSINESS ADDRESS:**
- **STREET 1:** 500 CENTRE STREET SE
- **CITY:** CALGARY
- **STATE:** A0
- **ZIP:** T2G 1A6
- **BUSINESS PHONE:** (403) 265-3221

**MAIL ADDRESS:**
- **STREET 1:** 500 CENTRE STREET SE
- **CITY:** CALGARY
- **STATE:** A0
- **ZIP:** T2G 1A6

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GRAN TIERRA ENERGY, INC.
- **DATE OF NAME CHANGE:** 20051130

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GOLDSTRIKE INC
- **DATE OF NAME CHANGE:** 20040113

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GOLKSTRIKE INC
- **DATE OF NAME CHANGE:** 20031216
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Lau Daniel
- **CENTRAL INDEX KEY:** 0001950123

**ORGANIZATION NAME:**

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

**MAIL ADDRESS:**
- **STREET 1:** 915 1055 WEST HASTINGS STREET
- **CITY:** VANCOUVER
- **STATE:** A1
- **ZIP:** V6E 2E9

## Exhibit 99.1

EXHIBIT 99.1

AGREEMENT REGARDING JOINT FILING

OF STATEMENT ON SCHEDULE 13D OR 13G

The undersigned agree to file jointly with the Securities and Exchange Commission (the "SEC") any and all statements on Schedule 13D or Schedule 13G and Forms 3, 4 or 5 (and any amendments or supplements thereto) required under section 13(d) or 16(a) of the Securities Exchange Act of 1934, as amended, in connection with purchases by the undersigned of the securities of any issuer. For that purpose, the undersigned hereby constitute and appoint Daniel Lau, as the undersigned's true and lawful agent and attorney-in-fact, with full power and authority for and on behalf of the undersigned to prepare or cause to be prepared, sign, file with the SEC and furnish to any other person all certificates, instruments, agreements and documents necessary to comply with section 13(d) and section 16(a) of the Securities Exchange Act of 1934, as amended, in connection with said purchases, and to do and perform every act necessary and proper to be done incident to the exercise of the foregoing power, as fully as the undersigned might or could do if personally present.

Dated: November 14, 2025

---

| | |
|:---|:---|
| &nbsp;&nbsp; <br> <u>/s/ *Daniel Lau*</u> <br> Daniel Lau | &nbsp;&nbsp; <br> <u>/s/ *Christine Man*</u> <br> Christine Man |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LM Asset (IM), Inc.<br>By: <u>/s/ *Daniel Lau*</u> <br> Daniel Lau, Director |  |

---

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 2)**

**Issuer:** GRAN TIERRA ENERGY INC.

**Title of Class of Securities:** Common Stock

**CUSIP Number:** 38500T200

**Date of Event Which Requires Filing of this Statement:** 09/30/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Daniel Lau | Names of Reporting Persons<br>Daniel Lau |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>Z4 | Citizenship or Place of Organization<br>Z4 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>240000.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>2936800.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>240000.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>2936800.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3176800.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3176800.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>9.0% | Percent of Class Represented by Amount in Row (9)<br>9.0% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Percentage calculated based on 35,290,955 shares of Common Stock outstanding on July 28, 2025, as reported in the Form 10-Q filed by the Issuer for the quarter ended June 30, 2025.

---

| 1. | Names of Reporting Persons<br>Christine Man | Names of Reporting Persons<br>Christine Man |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>Z4 | Citizenship or Place of Organization<br>Z4 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>65550.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>2936800.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>65550.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>2936800.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3002350.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3002350.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>8.5% | Percent of Class Represented by Amount in Row (9)<br>8.5% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Percentage calculated based on 35,290,955 shares of Common Stock outstanding on July 28, 2025, as reported in the Form 10-Q filed by the Issuer for the quarter ended June 30, 2025.

---

| 1. | Names of Reporting Persons<br>LM Asset (IM) Inc. | Names of Reporting Persons<br>LM Asset (IM) Inc. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>Z4 | Citizenship or Place of Organization<br>Z4 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>2791800.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>2791800.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>2791800.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>2791800.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>7.9% | Percent of Class Represented by Amount in Row (9)<br>7.9% |
| 12. | Type of Reporting Person (See Instructions)<br>IA, CO | Type of Reporting Person (See Instructions)<br>IA, CO |

**Comment for Type of Reporting Person:** Percentage calculated based on 35,290,955 shares of Common Stock outstanding on July 28, 2025, as reported in the Form 10-Q filed by the Issuer for the quarter ended June 30, 2025.

---

**Item 1(a). Name of Issuer:**
GRAN TIERRA ENERGY INC.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
500 CENTRE STREET SE CALGARY, ALBERTA, CANADA T2G 1A6

**Item 2(a). Name of Person Filing:**
Daniel Lau

Christine Man

LM Asset (IM) Inc.

The reporting persons are filing this statement jointly, but not as members of a group.  Each reporting person expressly disclaims membership in a group.  Each reporting person also disclaims beneficial ownership of the Common Stock except to the extent of that reporting person's pecuniary interest therein.

**Item 2(b). Address of Principal Business Office:**
915 - 1055 West Hastings Street, Vancouver, BC, Canada, V6E 2E9

**Item 2(c). Citizenship:**
For citizenship of Filers, see Item 4 of the cover sheet for each Filer.

**Item 2(d). Title of Class of Securities:**
Common Stock

**Item 2(e). CUSIP Number:**
38500T200

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

Daniel Lau:  3,176,800
Christine Man:  3,002,350
LM Asset (IM) Inc.:  2,791,800

**(b) Percent of class:**

Daniel Lau:  9.0%
Christine Man:  8.5%
LM Asset (IM) Inc.:  7.9%

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

Daniel Lau:  240,000
Christine Man:  65,550
LM Asset (IM) Inc.:  0

**(ii) Shared power to vote or to direct the vote:**

Daniel Lau:  2,936,800
Christine Man:  2,936,800
LM Asset (IM) Inc.:  2,791,800

**(iii) Sole power to dispose or to direct the disposition of:**

Daniel Lau:  240,000
Christine Man:  65,550
LM Asset (IM) Inc.:  0

**(iv) Shared power to dispose or to direct the disposition of:**

Daniel Lau:  2,936,800
Christine Man:  2,936,800
LM Asset (IM) Inc.:  2,791,800

**Item 5. Ownership of Five Percent or Less of a Class.**

[ ] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Mr. Lau and Ms. Man are the control persons of LM Asset (IM), Inc. and other investment advisers to private investment funds and other accounts.  Those investment advisers, funds and accounts have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, Common Stock.  However, no individual fund or account beneficially owns more than five percent of the outstanding Common Stock.

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

### 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.

**Daniel Lau**

**Date:** 11/14/2025

**By:** /s/ Daniel Lau

**Name & Title:** Reporting person

**Christine Man**

**Date:** 11/14/2025

**By:** /s/ Christine Man

**Name & Title:** Reporting person

**LM Asset (IM) Inc.**

**Date:** 11/14/2025

**By:** /s/ Daniel Lau

**Name & Title:** Director