X0306 4 2017-04-03 false 0001517022 Akebia Therapeutics, Inc. AKBA 0001669737 Dahan Michel C/O AKEBIA THERAPEUTICS, INC. 245 FIRST STREET CAMBRIDGE MA 02142 false true false false SVP, Chief Business Officer Common Stock 2017-04-03 4 S false 1401.00 9.1775 D 108623.00 D Shares sold by reporting person to pay taxes in connection with the vesting of restricted stock pursuant to a December 23, 2013 award. Twenty-five percent of the shares vested on December 2, 2014, and the remaining shares vest in equal quarterly installments through October 1, 2017. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $9.15 to $9.24, inclusive. The reporting person undertakes to provide Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote. Nicole R. Hadas, attorney-in-fact for Michel Dahan 2017-04-04