X0306 4 2020-02-28 false 0001517022 Akebia Therapeutics, Inc. AKBA 0001602396 Hadas Nicole R. C/O AKEBIA THERAPEUTICS, INC. 245 FIRST STREET CAMBRIDGE MA 02142 false true false false SVP, Chief Legal Officer Common Stock 2020-02-28 4 A false 62000.00 0.00 A 219806.00 D Common Stock 2020-02-28 4 S false 7050.00 8.70 D 212756.00 D Stock Option (Right to buy) 8.87 2020-02-28 4 A false 105000.00 0.00 A 2030-02-28 Common Stock 105000.00 105000.00 D The restricted stock units were granted by the Issuer pursuant to its 2014 Incentive Plan, as amended. One third of the restricted stock units will vest on each of the first, second and third anniversaries of the grant date. Includes 1,500 shares of the Issuer's common stock purchased on June 28, 2019 and 1,500 shares of the Issuer's common stock purchased on December 31, 2019, each under the Issuer's Amended and Restated 2014 Employee Stock Purchase Plan. This sale was made to cover tax withholding obligations in connection with the vesting and settlement of one-third of the reporting person's restricted stock units granted on February 28, 2019. The options were granted by the Issuer pursuant to its 2014 Incentive Plan, as amended. The options will vest over four years: 25% of the options will vest on the first anniversary of the grant date with the remaining 75% vesting in equal quarterly installments thereafter. /s/ Jason A. Amello, attorney-in-fact for Nicole R. Hadas 2020-03-02