John K. Clarke, Director at Momenta Pharma, holds 19.80K shares in aTyr Pharma (Ticker: LIFE), holds 8.89K shares in Alnylam Pharma (Ticker: ALNY), holds 69.12K shares in Momenta Pharma (Ticker: MNTA). Most recently, John K. Clarke Sold ― shares of aTyr Pharma on May 25, 2021 for an estimated value of 10.85K.