X0306 4 2020-06-05 false 0001517022 Akebia Therapeutics, Inc. AKBA 0001448914 Heffernan Michael Thomas C/O AKEBIA THERAPEUTICS, INC. 245 FIRST ST. CAMBRIDGE MA 02142 true false false false Common Stock 2020-06-05 4 A false 13700.00 0.00 A 34886.00 D Stock Option (Right to buy) 11.96 2020-06-05 4 A false 20100.00 0.00 A 2021-06-05 2030-06-05 Common Stock 20100.00 20100.00 D The restricted stock units were granted by the Issuer pursuant to its 2014 Incentive Plan, as amended, as provided by the Issuer's Amended and Restated Non-Employee Director Compensation Program (the "RSUs"). 100% of the RSUs will vest on the first anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer. Represents an option to purchase shares of the Issuer's common stock granted by the Issuer pursuant to its 2014 Incentive Plan, as amended, as provided by the Issuer's Amended and Restated Non-Employee Director Compensation Program (the "Stock Option"). 100% of the Stock Option will vest and become exercisable on the first anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer. /s/ Nicole R. Hadas, attorney-in-fact for Michael T. Heffernan 2020-06-09