X0306 4 2018-04-06 0 0001526119 Verastem, Inc. VSTM 0001719331 Le NgocDiep T. MD, PhD C/O VERASTEM, INC., 117 KENDRICK ST, SUITE 500 NEEDHAM MA 02494 0 1 0 0 Chief Medical Officer Stock Option (Right to Buy) 2.97 2018-04-06 4 A 0 2500 0 A 2018-04-06 2028-01-05 Common Stock 2500 2500 D On January 5, 2018, the Reporting Person was granted an option to purchase 12,500 shares of common stock. The option vests based on the Issuer's satisfaction of certain performance milestones by June 30, 2018, by March 31, 2019, and within the first twenty-four (24) months after the achievement of certain net sales targets. 20% of the performance criteria was met on April 6, 2018, resulting in vesting of the option as to 2,500 shares. /s/ Joseph Chiapponi, attorney-in-fact 2018-06-04