Vancouver, British Columbia--(Newsfile Corp. - July 28, 2025) - Sierra Madre Gold and Silver Ltd. (TSXV: SM) (OTCQX: SMDRF) ("Sierra Madre" or the "Company") announces that, pursuant to its Stock Option Plan, it has granted stock options to employees of La Guitarra Compania Minera, S.A. de C.V., certain directors, management and consultants of the Company, to purchase an aggregate of 2,750,000 common shares of the Company at the price of $0.73 per share for a period of five years from the grant date. The O ...