GTE files 8-K furnishing Q3 2025 financial and operating results

Rhea-AI Filing Summary

Gran Tierra Energy Inc. (GTE) furnished an update on its latest performance. The company announced that it issued a press release with its financial and operating results for the quarter ended September 30, 2025. The press release is attached as Exhibit 99.1 and incorporated by reference.

The information under Item 2.02 and Exhibit 99.1 is being furnished and is not deemed “filed” under Section 18 of the Exchange Act. The report was signed by EVP and CFO Ryan Ellson on October 30, 2025.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

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Accepted by SEC EDGAR 10/30/2025 - 05:53 PM Learn about SEC filing dates

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 30, 2025

GRAN TIERRA ENERGY INC.

(Exact name of Registrant as specified in its charter)

Delaware			98-0479924
(State or other jurisdiction of incorporation)			(I.R.S. Employer Identification No.)

Commission file number: 001-34018

500 Centre Street S.E.

Calgary, Alberta Canada T2G 1A6

(Address of principal executive offices and zip code)

Registrant's telephone number, including area code: (403) 265-3221

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class			Trading Symbol(s)			Name of each exchange on which registered
Common Stock, par value $0.001 per share			GTE			NYSE American
						Toronto Stock Exchange
						London Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.                                      ☐

Item 2.02. Results of Operations and Financial Condition.

On October 30, 2025, Gran Tierra Energy Inc. issued a press release announcing its financial and operating results for the quarter ended September 30, 2025. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated by reference herein in its entirety.

The information in this Item 2.02 and in Exhibit 99.1 attached to this report is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference into any filing by Gran Tierra Energy Inc. under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language contained in such filing.

Item 9.01. Financial Statements and Exhibits.

    (d) Exhibits.

Exhibit Number						Description
99.1						Press Release issued on October 30, 2025, announcing financial and operating results of Gran Tierra Energy Inc. for the quarter ended September 30, 2025.
104						Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

October 30, 2025			GRAN TIERRA ENERGY INC.
						/s/ Ryan Ellson
						By: Ryan Ellson
						Executive Vice President and Chief Financial Officer

FAQ

What did Gran Tierra Energy (GTE) announce in this 8-K?

GTE issued a press release with financial and operating results for the quarter ended September 30, 2025, furnished as Exhibit 99.1.

When was the announcement made?

The company reported the event date as October 30, 2025.

Is the information considered filed or furnished?

It is being furnished under Item 2.02 and is not deemed “filed” under Section 18 of the Exchange Act.

Where can I find the detailed Q3 2025 results?

They are included in the press release attached as Exhibit 99.1.

Who signed the report for GTE?

The report was signed by Ryan Ellson, Executive Vice President and Chief Financial Officer.

On which exchanges does GTE trade?

GTE’s common stock trades on the NYSE American, TSX, and LSE.