09:10 AM EDT, 06/30/2025 (MT Newswires) -- GR Silver Mining ( GRSLF ) on Monday said Chief Operating Officer Marcio Fonseca will assume the role of president and chief executive as the company implements a management restructuring aimed at supporting the Plomosas Silver Project in Sinaloa, Mexico.

Eric Zaunscherb, who became CEO in February 2022, will assume the role of executive chair of the board.

GR Silver Mining ( GRSLF ) added that it is continuing its drill program in the San Marcial Area, recently expanded to up to 3,000 meters, with three drill rigs currently active on site. The company continues third-party discussions to advance the commencement of a Bulk Sampling Test Mining program at the permitted, past-producing Plomosas Mine.

Shares of the company closed down 7.9% to $0.175 on Friday on the TSX Venture Exchange.