X0306 4 2018-09-24 0001526119 Verastem, Inc. VSTM 0001722642 Bloom Steven H. C/O VERASTEM, INC. 117 KENDRICK STREET, SUITE 500 NEEDHAM MA 02494 0 1 0 0 Chief Strategy Officer Stock Option (Right to Buy) 2.97 2018-09-24 4 A 0 28000 0 A 2018-09-24 2028-01-05 Common Stock 28000 28000 D On January 5, 2018, the Reporting Person was granted an option to purchase 70,000 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 14,000 shares. 40% of the performance criteria was met on September 24, 2018, resulting in vesting of the option as to 28,000 shares. /s/ Joseph Chiapponi, Attorney-in-Fact 2018-10-02