Aerpio Pharmaceuticals, Inc. (ARPO: OTCQB) | Venue Change Tue, Aug 08, 2017 12:00 -
Aerpio Pharmaceuticals, Inc. (
ARPO : OTC Link) - Venue Change - The symbol, ARPO, no longer trades on Grey Market. As of Tue, Aug 08, 2017, ARPO trades on OTC Link. You may find a complete list of venue changes at
otcmarkets.com .