Constantine Efthymios Karayannopoulos, Director at Neo Lithium, holds 8.31K shares in Neo Performance Materials Inc (Ticker: TSE:NEO), holds 1.84M shares in Neo Lithium (Ticker: NTTHF). Most recently, Constantine Efthymios Karayannopoulos Bought ― shares of Neo Performance Materials Inc on Nov 28, 2020 for an estimated value of 44.30K.