Peter Dixon-Clarke, Finance Director at Rockhopper Exploration, holds 19.83K shares in Invinity Energy Systems (Ticker: GB:IES), holds 481.61K shares in Rockhopper Exploration (Ticker: GB:RKH). Most recently, Peter Dixon-Clarke Bought ― shares of Invinity Energy Systems on Dec 17, 2021 for an estimated value of 7.83K.