Despite the ongoing pandemic, Acutus Medical Inc. (NASDAQ:AFIB) decided to go down the IPO route. It officially started trading today after reporting its offering of more than 8.8 million shares of its common stock at $18 per share, with expected gross proceeds of $158.8 million. Last month, the Carlsbad, Calif.-based company estimated that the IPO price per share would be between $16 and $18.