According to TC, Siren has raised an $11.8 million Series B The round was led by Anathem Ventures, and backed by Khosla, DCM and Founders Fund.

Siren's vision is to empower people to avoid complications caused by chronic disease and aging. To this end, Siren develops innovative wearable health technology that seamlessly integrates into the user's everyday life. The company's first product, the Siren Sock and Foot Monitoring System, is designed to proactively track foot temperature.