Frontier Developments plc (LON:FDEV – Get Free Report) insider David John Braben sold 33,038 shares of the firm’s stock in a transaction dated Thursday, September 25th. David John Braben also recently made the following trade(s):Get Frontier Developments alerts:On Friday, September 26th, David John Braben bought 33,705 shares of Frontier Developments stock. On Wednesday, September 24th, David John Braben sold 31,181 shares of Frontier Developments stock. On Tuesday, September 23rd, David John Braben sold 27,594 shares of Frontier Developments stock. On Thursday, September 18th, David John Braben sold 21,710 shares of Frontier Developments stock.