X0306 4 2017-02-21 false 0001517022 Akebia Therapeutics, Inc. AKBA 0001615599 Maroni Bradley C/O AKEBIA THERAPEUTICS, INC. 245 FIRST STREET CAMBRIDGE MA 02142 false true false false SVP and Chief Medical Officer Common Stock 2017-02-21 4 A false 23500.00 0.00 A 64585.00 D Stock Option (Right to buy) 0.00 2017-02-21 4 A false 37500.00 10.14 A 2027-02-21 Common Stock 37500.00 37500.00 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 1,500 shares of stock purchased on June 30, 2016 at $6.35 per share and 726 shares of stock purchased on December 31, 2016 at $6.48 per share in connection with the Issuer's Employee Stock Purchase 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 Bradley Maroni 2017-02-23