 ENGLEWOOD, Colo., June 18, 2021 PRNewswire Ampio Pharmaceuticals NYSE American: AMPE, a clinical stage biopharmaceutical company focused on the advancement of immunology-based therapies for prevalent inflammatory conditions, today announced that the Company is expected to join the small cap Russell 2000 Index and the broad-market Russell 3000 Index at the conclusion of this years reconstitution of the Russell stock indexes, effective after the U.S. stock market opens on Monday, June 28, 2021, accordingly to a preliminary list of additions posted on June 4, 2021. 