McEwen Inc. — Proxy Solicitation & Information Statement 2026

Jun 2, 2026

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of

the Securities Exchange Act of 1934 (Amendment No. )

Filed by the Registrant x

Filed by a Party other than the Registrant ¨

Check the appropriate box:

¨ Preliminary Proxy Statement

¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨ Definitive Proxy Statement

x Definitive Additional Materials

¨ Soliciting Material under §240.14a-12

McEwen Inc.

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(Name of Registrant as Specified In Its Charter)

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Payment of Filing Fee (Check the appropriate box):

x No fee required.

¨ Fee paid previously with preliminary materials.

¨ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

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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): June 1, 2026

McEWEN INC.

(Exact name of registrant as specified in its charter)

Colorado	001-33190	84-0796160
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

| 150 King Street West, Suite 2800 Toronto ,
Ontario , Canada | M5H 1J9 |
| --- | --- |
| (Address of principal executive offices) | (Zip Code) |

Registrant’s telephone number including area code: (866 ) 441-0690

(Former name or former address, if changed since last report)

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:

¨ 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	MUX	New York 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. ¨

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Item 7.01 Regulation FD Disclosure.

On June 1, 2026, McEwen Inc. (the “Company”) announced details regarding its 2026 Annual Meeting of Shareholders and an engaging Q&A session with management immediately following the formal portion of the meeting. A copy of the press release is furnished with this report as Exhibit 99.1. Investors and other interested parties are encouraged to read in its entirety the press release because it contains important information not otherwise described herein.

The information furnished under this Item 7.01, including the referenced exhibit, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, except as shall be expressly set forth by reference to such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits . The following exhibits are furnished or filed with this report, as applicable:

Exhibit No.	Description
99.1	Press Release, dated June 1, 2026
104	Cover Page Interactive Data File – the cover page XBRL tags are embedded within the Inline XBRL document

Cautionary Statement

With the exception of historical matters, the press release contains certain forward-looking statements and information, including "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. The forward-looking statements and information expressed, as of the date of the press release, are estimates, forecasts, projections, expectations, or beliefs as to future events and results. Forward-looking statements and information are necessarily based upon a number of estimates and assumptions that, while considered reasonable by management, are inherently subject to significant business, economic, and competitive uncertainties, risks, and contingencies, and there can be no assurance that such statements and information will prove to be accurate. Therefore, actual results and future events could differ materially from those anticipated in such statements and information. Risks and uncertainties that could cause results or future events to differ materially from current expectations expressed or implied by the forward-looking statements and information include, but are not limited to, fluctuations in the market price of precious and base metals, mining industry risks, political, economic, social and security risks associated with foreign operations, the ability of the Company to receive or receive in a timely manner permits or other approvals required in connection with operations, risks associated with the construction of mining operations and commencement of production and the projected costs thereof, risks related to litigation, the state of the capital markets, environmental risks and hazards, uncertainty as to calculation of mineral resources and reserves, foreign exchange volatility, foreign exchange controls, foreign currency risk, and other risks. Readers should not place undue reliance on forward-looking statements or information included in the press release, which speak only as of the date thereof. The Company undertakes no obligation to reissue or update forward-looking statements or information as a result of new information or events after the date hereof except as may be required by law. See the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025, and other filings with the Securities and Exchange Commission, under the caption "Risk Factors", for additional information on risks, uncertainties and other factors relating to the forward-looking statements and information regarding the Company. All forward-looking statements and information made in the press release are qualified by this cautionary statement.

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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 hereunto duly authorized.

/s/ Carmen Diges
Carmen Diges, General Counsel

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Exhibit 99.1

MCEWEN TO HOST LIVE BULLPEN Q&A

MODERATED BY ANTHONY VACCARO OF THE NORTHERN MINER GROUP

AT THE 2026 ANNUAL MEETING

TORONTO, June 1, 2026 - McEwen Inc. (NYSE/TSX: MUX) (“McEwen” or the “Company”) invites shareholders and interested stakeholders to attend its 2026 Annual Meeting on Thursday, June 4, 2026, at 4:30 p.m. EDT, in Toronto and online via live webcast. The meeting will be followed by a live Bullpen Q&A session .

Thursday, June 4, 2026

4:30 p.m. EDT

Vantage Venues, 27 th Floor

150 King Street West

Toronto, ON M5H 1J9, Canada

Bullpen Q&A

Following the formal part of the Annual Meeting, shareholders and guests are invited to join a Bullpen Q&A moderated by Anthony Vaccaro, President of The Northern Miner Group , featuring members of our leadership: Rob McEwen, Chairman and Chief Owner ; Ian Ball, Vice-Chairman ; and Michael Meding, Managing Director of McEwen Copper .

Designed as an open and engaging forum, the Bullpen Q&A will move beyond the traditional Annual Meeting format into a candid, in-depth conversation on the Company’s business, outlook and strategy. Expected topics include operational performance, growth plans, capital allocation, strategic considerations for McEwen Copper and Los Azules, key opportunities and challenges facing the business, the outlook for gold and copper markets, and questions submitted by investors.

Submit Questions in Advance

Shareholders may submit questions in advance for consideration during the live webcast. Questions may be submitted through the webcast registration link or by emailing info@mcewenmining.com . Participants may also submit questions throughout the webcast by using the Q&A icon in the webcast interface.

Attend

The Annual Meeting and Bullpen Q&A will be held in person and simultaneously broadcast via live webcast. Guests planning to attend in person are encouraged to RSVP at info@mcewenmining.com .

To register for the live webcast, please visit: https://vantagevenues.zoom.us/webinar/register/WN_voXdh5dbRSKwcaMLWmV2Yg#/registration .

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How to Vote Your Shares

Additional information regarding the Annual Meeting, including the Company’s 2026 proxy materials, is available at www.mcewenmining.com and under McEwen Inc.’s profile on SEDAR+ and EDGAR.

Shareholders of record as of April 20, 2026, are encouraged to vote their shares in advance of the Annual Meeting. To vote your shares, please follow the instructions mailed with your proxy materials. If you require assistance voting, please contact Investor Relations (contact information at the end of this press release).

ABOUT ANTHONY VACCARO

As President of The Northern Miner Group, Anthony Vaccaro has overall responsibility for some of the mining industry’s leading media, data and talent solution brands, including The Northern Miner , MINING.com and Canadian Mining Journal . He has also been instrumental in launching and promoting The Great Canadian Treasure Hunt , a nationwide initiative created by The Northern Miner Group to reconnect Canadians with the importance and rich history of the mining industry. Mr. Vaccaro holds the CFA designation, has an MBA in Investment Management and serves on the Board of The Canadian Mining Hall of Fame.

ABOUT MCEWEN

McEwen shares trade on both the NYSE and TSX under the ticker MUX .

McEwen provides its shareholders with exposure to a growing base of gold and silver production in addition to a very large copper development project with exciting optionality, all in the Americas. The gold and silver mines are in prolific mineral-rich regions of the world: the Cortez Trend in Nevada, USA, the Timmins district of Ontario and Flin Flon in Manitoba, Canada, and the Deseado Massif in Santa Cruz province, Argentina. McEwen is also reactivating its gold and silver El Gallo Mine in Mexico.

The Company has a 46.3% interest in McEwen Copper, which owns the large, long-life, advanced-stage Los Azules copper development project in San Juan province, Argentina – a region that hosts some of the country’s largest copper deposits. According to the last financing for McEwen Copper, the implied value of McEwen’s ownership interest is US$457 million .

The Los Azules copper project is designed to be one of the world’s first regenerative copper mines and carbon neutral by 2038 . Its Feasibility Study results were announced in the press release dated October 7, 2025 .

McEwen also recently purchased 27.3% of Paragon Advanced Labs Inc. , a newly listed public company that is deploying PhotonAssay™ units around the world, a technology that the Company believes is poised to become the new industry standard for assaying precious and base metals, with Paragon aiming to be one of the leading service providers.

Chairman and Chief Owner Rob McEwen has invested US$290 million personally and takes a salary of $1 per year , aligning his interests with shareholders. He is a recipient of the Order of Canada, a member of the Canadian Mining Hall of Fame and a winner of the EY Entrepreneur of the Year (Energy) award. His objective is to build MUX’s profitability, share value, and ultimately implement a dividend policy, as he did while building Goldcorp Inc.

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CAUTION CONCERNING FORWARD-LOOKING STATEMENTS

This news release contains certain forward-looking statements and information, including "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. The forward-looking statements and information expressed, are as at the date of this news release and are McEwen Inc.'s (the "Company") estimates, forecasts, projections, expectations or beliefs as to future events and results. Forward-looking statements and information are necessarily based upon a number of estimates and assumptions that, while considered reasonable by management, are inherently subject to significant business, economic and competitive uncertainties, risks and contingencies, and there can be no assurance that such statements and information will prove to be accurate. Therefore, actual results and future events could differ materially from those anticipated in such statements and information. Risks and uncertainties that could cause results or future events to differ materially from current expectations expressed or implied by the forward-looking statements and information include, but are not limited to, fluctuations in the market price of precious metals, mining industry risks, political, economic, social and security risks associated with foreign operations, the ability of the Company to receive or receive in a timely manner permits or other approvals required in connection with operations, risks associated with the construction of mining operations and commencement of production and the projected costs thereof, risks related to litigation, the state of the capital markets, environmental risks and hazards, uncertainty as to calculation of mineral resources and reserves, foreign exchange volatility, foreign exchange controls, foreign currency risk, and other risks. Readers should not place undue reliance on forward-looking statements or information included herein, which speak only as of the date hereof. The Company undertakes no obligation to reissue or update forward-looking statements or information as a result of new information or events after the date hereof except as may be required by law. See McEwen Inc.'s Annual Report on Form 10-K for the fiscal year ended December 31, 2025, and other filings with the Securities and Exchange Commission, under the caption "Risk Factors", for additional information on risks, uncertainties and other factors relating to the forward-looking statements and information regarding the Company. All forward-looking statements and information made in this news release are qualified by this cautionary statement.

The NYSE and TSX have not reviewed and do not accept responsibility for the adequacy or accuracy of the contents of this news release, which has been prepared by the management of McEwen. Want News Fast? Subscribe to our email list by clicking here: https://www.mcewenmining.com/contact-us/#section=followUs and receive news as it happens!!

| WEB
SITE — www.mcewenmining.com | SOCIAL
MEDIA — McEwen | Facebook: | facebook.com/mceweninc |
| --- | --- | --- | --- |
| | | LinkedIn: | linkedin.com/company/mceweninc |
| CONTACT
INFORMATION | | X: | X.com/mceweninc |
| 150
King Street West | | Instagram: | instagram.com/mceweninc |
| Suite
2800, PO Box 24 | | | |
| Toronto,
ON, Canada | McEwen
Copper | Facebook: | facebook.com/
mcewencopper |
| M5H
1J9 | | LinkedIn: | linkedin.com/company/mcewencopper |
| | | X: | X.com/mcewencopper |
| Investor
Relations: | | Instagram: | instagram.com/mcewencopper |
| (866)-441-0690
- Toll free line | | | |
| (647)-258-0395 | Rob
McEwen | Facebook: | facebook.com/mcewenrob |
| Mihaela
Iancu ext. 2006 | | LinkedIn: | linkedin.com/in/robert-mcewen-646ab24 |
| info@mcewenmining.com | | X: | X.com/robmcewenmux |

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