# EDGAR Filing Document

**Accession Number:** 0001341335
**File Stem:** 0001104659-25-102455
**Filing Date:** 2025-10
**Character Count:** 5086
**Document Hash:** 207c76ffca8cc6b99c354b51bff9c1a1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-102455.hdr.sgml**: 20251027

**ACCESSION NUMBER**: 0001104659-25-102455

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20251027

**FILED AS OF DATE**: 20251027

**DATE AS OF CHANGE**: 20251027

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FORTUNA MINING CORP.
- **CENTRAL INDEX KEY:** 0001341335
- **STANDARD INDUSTRIAL CLASSIFICATION:** GOLD & SILVER ORES [1040]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** A1
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35297
- **FILM NUMBER:** 251418291

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 1111 MELVILLE STREET, SUITE 820
- **CITY:** VANCOUVER
- **PROVINCE COUNTRY:** A1
- **ZIP:** V6E 3V6
- **BUSINESS PHONE:** 604-484-4085

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 1111 MELVILLE STREET, SUITE 820
- **CITY:** VANCOUVER
- **PROVINCE COUNTRY:** A1
- **ZIP:** V6E 3V6

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FORTUNA SILVER MINES INC
- **DATE OF NAME CHANGE:** 20051013

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION**

Washington, D.C. 20549

**Form 6-K**

**REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934**

For the month of <u>October 2025</u>

Commission File Number <u>001-35297</u>

**<u>Fortuna Mining Corp.</u>**

(Translation of registrant's name into English)

<u>1111 Melville Street, Suite 820, Vancouver, British Columbia, Canada V6E 3V6</u>

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

FORM 20-F ◻ FORM 40-F 🗹

**SIGNATURES**

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, thereunto duly authorized.

---

| | | |
|:---|:---|:---|
|  | **Fortuna Mining Corp.** | **Fortuna Mining Corp.** |
| Date: October 27, 2025 | (Registrant) | (Registrant) |
|  | By: | <u>/s/ "*Jorge Ganoza Durant*"</u> |
|  |  | Jorge Ganoza Durant |
|  |  | President and CEO |

---

**Exhibits:**

---

| | |
|:---|:---|
| [**99.1**](tm2529536d1_ex99-1.htm) | [**News Release dated October 27, 2025**](tm2529536d1_ex99-1.htm) |

---

## Exhibit 99.1

**Exhibit 99.1**

![](tm2529536d1_ex99-1img001.jpg)

**NEWS RELEASE**

**Fortuna to release third quarter 2025 financial results on November 5, 2025; Conference call at 12 p.m. Eastern time on November 6, 2025**

**Vancouver, October 27, 2025: Fortuna Mining Corp. (NYSE: FSM \| TSX: FVI) announces that it will release its financial statements and MD&A for the third quarter of 2025 on Wednesday, November 5, 2025, after market close.** 

A conference call to discuss the financial and operational results will be held on Thursday, November 6, 2025, at 9:00 a.m. Pacific time \| 12:00 p.m. Eastern time. Hosting the call will be Jorge A. Ganoza, President and CEO, Luis D. Ganoza, Chief Financial Officer, Cesar Velasco, Chief Operating Officer - Latin America, and David Whittle, Chief Operating Officer - West Africa.

Shareholders, analysts, media and interested investors are invited to listen to the live conference call by logging onto the webcast at: <u>https://www.webcaster5.com/Webcast/Page/1696/53144</u> or over the phone by dialing in just prior to the starting time.

**Conference call details:** 

**Date: Thursday, November 6, 2025**

**Time: 9:00 a.m. Pacific time \| 12:00 p.m. Eastern time**

**Dial in number (Toll Free): +1.888.506.0062**

**Dial in number (International): +1.973.528.0011**

**Access code: 360013**

**Replay number (Toll Free): +1.877.481.4010**

**Replay number (International): +1.919.882.2331**

**Replay passcode: 53144**

Playback of the earnings call will be available until Thursday, November 20, 2025. Playback of the webcast will be available until Friday, November 6, 2026. In addition, a transcript of the call will be archived on the Company's <u>website</u>.

![](tm2529536d1_ex99-1img001.jpg)

**About Fortuna Mining Corp.**

Fortuna Mining Corp. is a Canadian precious metals mining company with three operating mines and a portfolio of exploration projects in Argentina, Côte d'Ivoire, Mexico, and Peru, as well as the Diamba Sud Gold Project in Senegal. Sustainability is at the core of our operations and stakeholder relationships. We produce gold and silver while creating long-term shared value through efficient production, environmental stewardship, and social responsibility. For more information, please visit our website at <u>www.fortunamining.com</u>

ON BEHALF OF THE BOARD

**Jorge A. Ganoza** 

President, CEO, and Director

Fortuna Mining Corp.

**Investor Relations:**

**Carlos Baca** \| <u>info@fmcmail.com</u> \| <u>fortunamining.com</u> \| **<u>X</u>** \| **<u>LinkedIn</u>** \| **<u>YouTube</u>**