X0306 4 2018-09-24 0001526119 Verastem, Inc. VSTM 0001719331 Le NgocDiep T. MD, PhD C/O VERASTEM, INC. 117 KENDRICK STREET, SUITE 500 NEEDHAM MA 02494 0 1 0 0 Chief Medical Officer Stock Option (Right to Buy) 2.97 2018-09-24 4 A 0 5000 0 A 2018-09-24 2028-01-05 Common Stock 5000 5000 D Stock Option (Right to Buy) 4.63 2018-09-24 4 A 0 70000 0 A 2018-09-24 2027-10-09 Common Stock 70000 70000 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. 40% of the performance criteria was met on September 24, 2018, resulting in vesting of the option as to 5,000 shares. On October 9, 2017, the Reporting Person was granted an option to purchase 70,000 shares of common stock, to vest in full upon the Issuer's satisfaction of certain performance milestones. Such performance criteria were met on September 24, 2018, resulting in the vesting of the option. /s/ Joseph Chiapponi, Attorney-in-Fact 2018-10-02