$AUMN

Golden Minerals Co (AUMN) filed an SEC Form 8-K — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers. Exhibit 99.1 Golden Minerals Announces Management Change and Argentine Project Update Denver, CO - / ACCESS NEWS WIRE/ - September 4, 2026 / Golden Minerals Company ("Golden Minerals," "Golden" or the "Company") (OTCQB: AUMN and TSX: AUMN) announces that Pablo Castanos has notifi

Golden Minerals Company (OTCQB:AUMN, TSX:AUMN) says it completed formation of the Sand Canyon Explorations LLC joint venture with Golden Gryphon USA. Golden holds 60% and will manage; GGUSA holds 40%. Mining claims in Humboldt County, Nevada were transferred to the JV, and a 2026 exploration program is planned to refine geology and guide future work.

Golden Minerals Company (OTCQB:AUMN, TSX:AUMN) reported Q2 2026 results for the quarter ended June 30, 2026. For six months, exploration expense fell to $86,000 and loss from continuing operations was $1.1 million ($0.07/share). It exited Mexico after selling Minera William to Streamline for $1.2 million and raised about $804,000 net from a May private placement. Cash was $2.5 million at June 30, 2026.

Golden Minerals Co (AUMN) filed an SEC Form 8-K — Submission of Matters to a Vote of Security Holders. false 0001011509 0001011509 2026-06-12 2026-06-12 iso4217:USD xbrli:shares iso4217:USD xbrli:shares 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 Repo