Mark Baum, Director at Ideal Power, holds 598.13K shares in Harrow Health (Ticker: HROW), holds 54.96K shares in Ideal Power (Ticker: IPWR), holds ― shares in Eton Pharmaceuticals (Ticker: ETON). Most recently, Mark Baum Bought ― shares of Harrow Health on Nov 25, 2019 for an estimated value of 279.24K.