X0306 4 2017-02-21 false 0001517022 Akebia Therapeutics, Inc. AKBA 0001589888 Tubridy Karen L C/O AKEBIA THERAPEUTICS, INC. 245 FIRST STREET CAMBRIDGE MA 02142 false true false false SVP, Chief Development Officer Common Stock 2017-02-21 4 A false 23000.00 0.00 A 23000.00 D Stock Option (Right to buy) 0.00 2017-02-21 4 A false 36500.00 10.14 A 2027-02-21 Common Stock 36500.00 36500.00 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. 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 Tubridy Karen 2017-02-23