Sandstone Diagnostics is a Bay Area biotech company developing instruments and consumables for point-of-care medical testing. Sandstone’s lead product, Trak, is a consumer semen analysis platform that provides a simple and accurate way to monitor sperm quality from the comfort of home. Trak is a tool for men to take charge of their fertility, boost their sperm quality, and improve their chances of conception. Sandstone was cofounded in 2012 by PhD scientists developing medical technologies for national defense applications at Sandia National Laboratories. The company has received 300K in grants plus a see round.