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 October 2026
Commission File Number 001-35297
Fortuna Mining
Corp.
(Translation of registrant’s name into English)
1111 Melville Street, Suite 820, Vancouver,
British Columbia, Canada V6E 3V6
(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 þ
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. |
|
| Date: October 22, 2026 |
(Registrant) |
|
| |
|
|
|
| |
By: |
/s/ "Jorge Ganoza Durant" |
|
| |
|
Jorge Ganoza Durant |
|
| |
|
Chief Executive Officer |
|
Exhibits:
| 99.1 | News Release dated October 22, 2026 |
Exhibit 99.1

NEWS RELEASE
Fortuna to release third quarter 2026 financial
results on November 4, 2026; Conference call at 12 p.m. Eastern time on November 5, 2026
Vancouver, British Columbia, October 22,
2026: Fortuna Mining Corp. (NYSE: FSM | TSX: FVI) announces that it will release
its financial statements and MD&A for the third quarter of 2026 on Wednesday, November 4, 2026, after market close.
A conference
call to discuss the financial and operational results will be held on Thursday, November 5, 2026, at 10:00 a.m. Pacific time | 12:00 p.m. Eastern time. Hosting the call will be Jorge A. Ganoza, CEO, Kevin
O’Reilly, Chief Financial Officer, David Whittle, Chief Operating Officer - West Africa, and Cesar Velasco, Chief Operating Officer
- Latin America.
Shareholders,
analysts, media and interested investors are invited to listen to the live conference call by logging onto the webcast at https://www.webcaster5.com/Webcast/Page/1696/54698
or over the phone by dialing in just prior to the starting time.
Conference call details:
Date: Thursday,
November 5, 2026
Time: 10:00
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:
374019
Replay number (Toll Free): +1.877.481.4010
Replay number (International): +1.919.882.2331
Replay passcode:
54698
Playback of
the earnings call will be available until November 19, 2026. Playback of the webcast will be available until Friday, November 5, 2027.
In addition, a transcript of the call will be archived on the Company’s website.

About Fortuna Mining Corp.
Fortuna Mining
Corp. is a Canadian precious metals mining company with three operating mines in Argentina, Côte d’Ivoire, and Peru, and the
feasibility-stage Diamba Sud Gold Project in Senegal. Our exploration portfolio spans our operating jurisdictions as well as Guinea and
Guyana. 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 www.fortunamining.com
ON BEHALF OF THE BOARD
Jorge A. Ganoza
CEO, and Director
Fortuna Mining Corp.
Investor Relations:
Carlos Baca | info@fmcmail.com
| fortunamining.com | X | LinkedIn
| YouTube | Instagram | TikTok