X0306 4 2018-02-28 false 0001517022 Akebia Therapeutics, Inc. AKBA 0001451805 Amello Jason C/O AKEBIA THERAPEUTICS, INC. 245 FIRST STREET CAMBRIDGE MA 02142 false true false false SVP, CFO & Treasurer Common Stock 2018-02-28 4 A false 19500.00 0.00 A 87236.00 D Employee Stock Option (Right to buy) 14.30 2018-02-28 4 A false 27700.00 0.00 A 2028-02-28 Common Stock 27700.00 27700.00 D The restricted stock units were granted by the Issuer pursuant to its 2014 Incentive Plan. One hundred percent of the restricted stock units will vest on the third anniversary of the grant date. The total amount of beneficial securities owned includes 1,376 shares of stock purchased on June 30, 2017 at $8.92 per share and 723 shares of stock purchased on December 31, 2017 at $12.39 per share in connection with the Issuer's Employee Stock Purchase Plan. The options were granted by the Issuer pursuant to its 2014 Incentive Plan. 25% of the shares underlying this option will vest on the first anniversary of the grant date with the remaining 75% vesting in equal quarterly installments thereafter. Nicole R. Hadas, attorney-in-fact for Jason A. Amello 2018-03-02