Welcome to our dedicated page for McEwen SEC filings (Ticker: MUX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
McEwen Inc. filings document operating results, mineral-project disclosures, governance matters and capital-structure information for a metals mining company with common stock registered on the New York Stock Exchange under MUX. Form 8-K reports furnish quarterly and annual financial and operating results, Regulation FD updates, drill results and mineral resource disclosures for projects such as Gold Bar and Tartan.
Proxy filings cover annual meeting matters including director elections, auditor ratification and share-issuance proposals under exchange listing rules. The filing record also includes notices related to annual-report timing, exhibits to material-event reports, security registration details and disclosures involving shareholder votes, material agreements and corporate governance.
McEwen Inc. filed a current report to share that it has issued a press release detailing results from an independent feasibility study for McEwen Copper Inc.’s Los Azules copper project in San Juan, Argentina. McEwen Inc. holds a 46.4% interest in McEwen Copper, so the study’s findings are important for its potential future growth in copper.
The press release, furnished as Exhibit 99.1 and dated October 7, 2025, contains the full feasibility study results and additional information beyond what is summarized here. The company also highlights that the release includes forward-looking statements, which are subject to numerous risks such as metal price volatility, political and economic conditions in Argentina, permitting and construction risks, capital markets conditions, environmental hazards, foreign exchange controls, and uncertainties in mineral resource and reserve estimates.
McEwen Inc. filed a Form 8-K to share that its equity investee, McEwen Copper Inc., has received approval for the Los Azules copper project to participate in Argentina’s Large Investment Incentive Regime, a program designed to promote strategic investments that support the country’s productive development.
The company furnished a press release as an exhibit and emphasized that the release includes forward-looking statements about both McEwen Inc. and McEwen Copper Inc., which are subject to significant business, economic, political, and operational risks, including potential changes to Argentina’s incentive regime and typical mining industry uncertainties.
McEwen Inc. reporting person Carmen L. Diges amended a Form 4 to correct option/share counts after a 10-for-1 reverse split. The filing shows on 09/19/2025 Ms. Diges exercised 21,000 stock options with a $1.25 exercise price and simultaneously sold 21,000 common shares for a weighted average price of $14.3446. Following these transactions she beneficially owns 26,096 shares of McEwen Inc. The amendment corrects the number of options and underlying shares to reflect the reverse split effective July 28, 2022.
Robert Ross McEwen, Chairman and CEO of McEwen Inc. (MUX), filed an amended Form 4 reporting matched option exercise and stock sale transactions on 09/19/2025. He exercised a stock option with a $1.25 exercise price to acquire 50,000 shares and sold 50,000 shares at a weighted-average price of $14.3467, resulting in 50,000 shares beneficially owned after the transactions. The filing corrects prior reporting to reflect the issuer's 10-for-1 reverse split effective 07/28/2022. The option vested in three equal annual installments beginning 09/29/2021. The amendment is signed 09/29/2025.
McEwen Inc. filed a report describing a new collaboration agreement between the International Finance Corporation, a member of the World Bank Group, and McEwen Copper, Inc., an equity investee of McEwen Inc. The agreement focuses on aligning the Los Azules copper project with IFC’s environmental, social, and governance standards. Meeting these standards is intended to position the project for potential future debt and equity financing from IFC and related partners.
The company furnished a press release dated September 24, 2025 as an exhibit to this report and emphasized that the release contains forward-looking statements subject to significant risks and uncertainties, including market conditions, mining risks, permitting and political factors, environmental hazards, and foreign exchange volatility. McEwen Inc. directs readers to its risk factor disclosures in its annual and other SEC reports and states it has no obligation to update forward-looking statements except as required by law.
Insider transactions by Richard W. Brissenden at McEwen Inc. (MUX) show multiple option exercises and open-market sales on 09/22/2025. Mr. Brissenden exercised a $1.25 option for 7,500 shares that was nearing its 09/28/2025 expiration and a $7.10 option for 8,334 shares (vesting schedule noted). He sold 6,428 shares at a weighted average price of $14.8885 and 4,775 shares at a weighted average price of $14.8834. After these trades he beneficially owned 12,964 shares and held 8,333 exercisable shares from the $7.10 option.
Jeffrey Chan, Vice President - Finance at McEwen Inc. (MUX), reported transactions on 09/22/2025. The filing shows he acquired a stock option covering 13,333 shares with an exercise price of $7.10 and an exercisable schedule that vests in three equal annual installments beginning 06/29/2024, and that after the option his direct beneficial ownership of the option equals 13,333 underlying shares. On the same date he sold 13,333 common shares in multiple transactions at a weighted-average price of $14.8898 (individual sale prices ranged $14.59–$15.103). Following the reported trades his direct common stock holdings are shown as 2,267 shares and he holds options underlying 13,333 shares (6,667 shown exercisable now). The filing is a routine Section 16 disclosure of insider exercises and sales.
Carmen L. Diges, General Counsel and Corporate Secretary of McEwen Inc. (MUX), exercised 210,000 stock options at a $1.25 exercise price and simultaneously sold 21,000 shares at a weighted-average price of $14.3446 on 09/19/2025. The option exercise increased reported direct beneficial ownership to 236,096 shares before the sale and to 215,096 shares after the sale. The exercised options were part of a grant that vested in three equal annual installments beginning 09/29/2021 and were nearing their 09/28/2025 expiration.
Carmen L. Diges, General Counsel and Corporate Secretary of McEwen Inc. (MUX), exercised 210,000 stock options at a $1.25 exercise price and simultaneously sold 21,000 shares at a weighted-average price of $14.3446 on 09/19/2025. The option exercise increased reported direct beneficial ownership to 236,096 shares before the sale and to 215,096 shares after the sale. The exercised options were part of a grant that vested in three equal annual installments beginning 09/29/2021 and were nearing their 09/28/2025 expiration.
Robert R. McEwen, Chairman and CEO of McEwen Inc. (MUX), exercised stock options and reported related open-market sales. He exercised an option to acquire 500,000 common shares at an exercise price of $1.25 per share, and immediately sold 50,000 shares at a weighted-average price of $14.3467. After these transactions, Mr. McEwen directly beneficially owned 500,000 shares; an additional 8,236,647 shares are held indirectly by a corporation wholly owned by him (2190303 Ontario Inc.), and 35,280 shares are held indirectly by his spouse. The filing notes the option vested in three equal annual installments beginning September 29, 2021, and that the option was nearing its September 28 expiration.
Robert R. McEwen, Chairman and CEO of McEwen Inc. (MUX), exercised stock options and reported related open-market sales. He exercised an option to acquire 500,000 common shares at an exercise price of $1.25 per share, and immediately sold 50,000 shares at a weighted-average price of $14.3467. After these transactions, Mr. McEwen directly beneficially owned 500,000 shares; an additional 8,236,647 shares are held indirectly by a corporation wholly owned by him (2190303 Ontario Inc.), and 35,280 shares are held indirectly by his spouse. The filing notes the option vested in three equal annual installments beginning September 29, 2021, and that the option was nearing its September 28 expiration.
Robert R. McEwen, Chairman and CEO of McEwen Inc. (MUX), amended a Form 4 to report acquisitions tied to a loan arrangement. On 05/06/2025, 2190303 Ontario Inc., a company wholly owned by Mr. McEwen, received 53,160 common shares as partial consideration for extending a loan to McEwen Copper Inc., an entity in which McEwen Inc. holds an indirect 46.6% equity interest. The shares were valued at $7.5245 each using the NYSE volume-weighted average price from 02/18/2025 to 03/31/2025. The filing also notes 35,280 shares held indirectly by spouse. The amendment clarifies the transaction is exempt from Section 16(b) under Rule 16b-3(d) and that the loan was made to the equity investee, not McEwen Inc.
Robert R. McEwen, Chairman and CEO of McEwen Inc. (MUX), amended a Form 4 to report acquisitions tied to a loan arrangement. On 05/06/2025, 2190303 Ontario Inc., a company wholly owned by Mr. McEwen, received 53,160 common shares as partial consideration for extending a loan to McEwen Copper Inc., an entity in which McEwen Inc. holds an indirect 46.6% equity interest. The shares were valued at $7.5245 each using the NYSE volume-weighted average price from 02/18/2025 to 03/31/2025. The filing also notes 35,280 shares held indirectly by spouse. The amendment clarifies the transaction is exempt from Section 16(b) under Rule 16b-3(d) and that the loan was made to the equity investee, not McEwen Inc.
Robert R. McEwen, Chairman and CEO of McEwen Inc. (MUX), amended a Form 4 to report acquisitions tied to a loan arrangement. On 05/06/2025, 2190303 Ontario Inc., a company wholly owned by Mr. McEwen, received 53,160 common shares as partial consideration for extending a loan to McEwen Copper Inc., an entity in which McEwen Inc. holds an indirect 46.6% equity interest. The shares were valued at $7.5245 each using the NYSE volume-weighted average price from 02/18/2025 to 03/31/2025. The filing also notes 35,280 shares held indirectly by spouse. The amendment clarifies the transaction is exempt from Section 16(b) under Rule 16b-3(d) and that the loan was made to the equity investee, not McEwen Inc.