Windar Photonics PLC - London-based technology group, which has developed a cost-efficient and innovative light detection and ranging wind sensor for use on electricity generating wind turbines -.
IN BRIEF: Windar Photonics non-executive director buys 275,000 shares lse.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from lse.co.uk Daily Mail and Mail on Sunday newspapers.
Windar Photonics PLC on Friday said Chair Johan Blach Petersen stepped down with immediate effect, although he will continue to serve as a non-executive director.
Windar is a London-based technology.