Christopher Engle Herald, President & Chief Executive Officer at Solitario Exploration & Royalty, holds 2.07M shares in Solitario Exploration & Royalty (Ticker: XPL), holds 100.00K shares in Adamera Minerals (Ticker: TSE:ADZ), holds 215.00K shares in Viva Gold (Ticker: VAUCF). Most recently, Christopher Engle Herald ― shares of Solitario Exploration & Royalty on ― for an estimated value of ―.