EXHIBIT A JOINT FILING AGREEMENTJoint Filing Agreement • February 10th, 2016 • MPM BioVentures IV QP LP • Pharmaceutical preparations
Contract Type FiledFebruary 10th, 2016 Company IndustryIn accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the Common Stock of Chiasma, Inc. and further agree that this agreement be included as an exhibit to such filing. Each party to the agreement expressly authorizes each other party to file on its behalf any and all amendments to such statement. Each party to this agreement agrees that this joint filing agreement may be signed in counterparts.