X0306 4 2018-11-15 0 0001367920 CONCERT PHARMACEUTICALS, INC. CNCE 0001185039 ALDRICH RICHARD C/O CONCERT PHARMACEUTICALS, INC. 99 HAYDEN AVENUE, SUITE 500 LEXINGTON MA 02421 1 0 0 0 Common Stock 2018-11-15 4 P 0 10000 11.9994 A 296975 D Common Stock 2018-11-15 4 P 0 40000 11.7817 A 336975 D Common Stock 44351 I Indirect The range of prices for the transaction reported on this line was $11.97 to $12.00. The average price was $11.9994. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. The range of prices for the transaction reported on this line was $11.625 to $12.00. The average price was $11.7817. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Shares held by Little Eagles, LLC. The owners of Little Eagles, LLC are Richard H. Aldrich Irrevocable Trust of 2011 and trusts established for the benefit of Mr. Aldrich's minor children. The trustees of Richard H. Aldrich Irrevocable Trust of 2011 are Mr. Aldrich's spouse, Nichole A. Aldrich, and Mr. Aldrich's brother, Caleb F. Aldrich. The beneficiaries of Richard H. Aldrich Irrevocable Trust of 2011 are Mr. Aldrich's minor children. Mr. Aldrich disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein. Nancy Stuart as attorney-in-fact for Richard H. Aldrich 2018-11-15