Stephen E. Pirnat is CEO at CLEARSIGN COMBUSTION CORP (CLIR). They have made 3 open-market trades across 1 company since 2015, most recently 2019-07-09.
CIK 0001547961
3 open-market purchases totalling $127K since 2015, never a sale. Too few scored purchases to measure a record yet.
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.