Golden Minerals (NYSE: AUMN) sells Mexican subsidiaries, receives $65,000 cash

Rhea-AI Filing Summary

Golden Minerals Company reported that on December 30, 2025 it 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. In connection with this transaction, the company received $65,000 in cash, providing a modest cash inflow from the disposition of these assets.

The company subsequently issued a press release on January 2, 2026 to announce the completion of the sale, which is included as an exhibit to this report.

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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): 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 incorporation or organization)		(Commission File Number)		(I.R.S. Employer 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 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: 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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FAQ

What transaction did Golden Minerals Company (AUMN) report in this 8-K?

Golden Minerals Company reported that it 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.

How much cash did Golden Minerals Company (AUMN) receive from selling its Mexican subsidiaries?

In connection with the sale of its Mexican subsidiaries, Golden Minerals Company received $65,000 in cash.

Who bought Golden Minerals Company’s Mexican subsidiaries?

The Mexican subsidiaries of Golden Minerals Company were sold to a privately held Mexican group.

Which Golden Minerals subsidiaries were sold in Mexico?

Golden Minerals sold two wholly owned Mexican subsidiaries: Servicios Velardeña S.A. de C.V. and GMC Equipos S.A. de C.V..

Did Golden Minerals Company (AUMN) issue a press release about the sale?

Yes. Golden Minerals Company issued a press release on January 2, 2026 announcing the completion of the sale, which is included as Exhibit 99.1.

What exhibits were included with this Golden Minerals Company 8-K?

The 8-K includes Exhibit 99.1, a press release dated January 2, 2026, and Exhibit 104, the cover page interactive data file.