IPOs this week : August 31 - September 4, 20 (wk 36)

IPO quiet period expirations

• Rocket (NYSE:RKT), BigCommerce (NASDAQ:BIGC), Oak Street (NYSE:OSH), Acutus Medical (NASDAQ:AFIB), Checkmate Pharma (NASDAQ:CMPI), IBEX (NASDAQ:IBEX) and OLB (OLB). 

Of that bunch, BigCommerce might be the most intriguing with shares more than tripling since the IPO.

IPO lockup expirations

• Calliditas Therapeutics (NASDAQ:CALT) on September 3. 

Across the Atlantic, German caravan maker Knaus Tabbert is planning an IPO in Frankfurt to raise up to $952M.