8-K
Golden Minerals Co (AUMN)
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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) ofthe Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): December 30, 2025
GOLDEN MINERALS COMPANY
(Exact name of registrant as specified in its charter)
| delaware | 1-13627 | 26-4413382 |
|---|---|---|
| (State or other jurisdiction of<br><br>incorporation or organization) | (Commission<br><br>File Number) | (I.R.S. Employer<br><br>Identification Number) |
1312 17th Street, Unit 2136
Golden, Colorado 80202
Registrant’s telephone number, including area code:
(303) 839-5060
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<br> communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |
|---|---|
| ☐ | Soliciting<br> material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |
| --- | --- |
| ☐ | Pre-commencement<br> communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |
| --- | --- |
| ☐ | Pre-commencement<br> 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: None.
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §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 8.01 Other Events.
On December 30, 2025, Golden Minerals Company (the “Company”) completed the sale of its wholly owned Mexican subsidiaries, Servicios Velardeña S.A. de C.V. and GMC Equipos S.A. de C.V. (the “Subsidiaries”), to a privately held Mexican group. In connection with the sale, the Company received $65,000 in cash.
On January 2, 2026, the Company issued a press release announcing the completion of the sale of the Subsidiaries. The full text of the press release is attached hereto as Exhibit 99.1.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.
| Exhibit No. | Description |
|---|---|
| 99.1 | Press Release, dated January 2, 2026. |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document). |
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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.
Date: January 2, 2026
| Golden Minerals Company | ||
|---|---|---|
| By: | /s/ Pablo Castanos | |
| Name: | Pablo Castanos | |
| Title: | President and Chief Executive Officer |
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Exhibit 99.1
Exhibit 99.1

GoldenMinerals Company Substantially Reduces Liabilities in Mexico
GOLDEN, CO – / ACCESS NEWS WIRE/ – January 2, 2026 – Golden Minerals Company (“Golden Minerals,” “Golden” or the “Company”) (OTCQB: AUMN and TSX: AUMN) announced that it has completed the sale of its wholly owned Mexican subsidiaries, Servicios Velardeña S.A. de C.V. and GMC Equipos S.A. de C.V., to a privately held Mexican group. The transaction was completed on December 30, 2025, for total consideration of approximately US$65,000.
Upon consummation of the transaction, Servicios Velardeña S.A. de C.V. and GMC Equipos S.A. de C.V. held net operating losses, inflation-adjusted capital contributions, several liabilities including approximately US$60,000 in past-due accounts payable, the remaining labor claim in Mexico of approximately US$56,000, and the Rodeo mining concession, a mined-out project that includes an associated asset retirement obligation with a book liability value of approximately US$450,000. Under Mexican law, the balance of the subsidiaries’ capital contribution accounts (“CUCAs”) may be bought and sold. All funds related to the sale have been received.
This transaction represents a significant step forward in the Company’s planned exit from Mexico, allowing Golden Minerals to substantially eliminate its liabilities in the country and reduce ongoing overhead and administrative costs to a minimum, while enabling the Company to focus on other regions.
For additional information, please visit http://www.goldenminerals.com/ or contact:
Golden Minerals Company
(303) 839-5060
SOURCE: Golden Minerals Company
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GOLDENMINERALS COMPANY
350 Indiana Street – Suite 650 – Golden, Colorado 80401 – Telephone (303) 839-5060