David N. Cook, Vice President, R & D at Cerus, holds 43.84K shares in Cerus (Ticker: CERS), holds 41.47K shares in Forma Therapeutics Holdings (Ticker: FMTX), holds 147.44K shares in Seres Therapeutics (Ticker: MCRB). Most recently, David N. Cook ― shares of Cerus on ― for an estimated value of ―.