X0306 4 2017-02-28 0 0001108205 CURIS INC CRIS 0001529922 Martell Robert 4 MAGUIRE ROAD LEXINGTON MA 02421 1 0 0 0 Non-qualified stock option 2.31 2017-02-28 4 A 0 120000 0.00 A 2027-02-27 Common Stock 120000 120000 D Options granted under the 2010 Amended and Restated Stock Incentive Plan and 1/12th of the total shares will vest monthly beginning on January 1, 2017 until all of the shares underlying the award become vested on January 1, 2018, subject to the director's continued service with the Company. William Steinkrauss, attorney-in-fact 2017-03-02