X0508 4 2025-06-09 false 0001517022 Akebia Therapeutics, Inc. AKBA 0002007730 Malabre Richard C C/O AKEBIA THERAPEUTICS, INC 245 FIRST ST. CAMBRIDGE MA 02142 false true false false SVP, Chief Accounting Officer true Common Stock 2025-06-09 4 M false 15000.00 1.68 A 281914.00 D Common Stock 2025-06-09 4 S false 15000.00 4.01 D 266914.00 D Stock Option (Right to buy) 1.68 2025-06-09 4 M false 15000.00 0.00 D 2034-01-31 Common Stock 15000.00 321000.00 D This stock option exercise was made pursuant to a Rule 10b5-1 Non-Discretionary Option Exercise and Stock Sale Plan adopted by the reporting person on December 12, 2024. This sale was made pursuant to a Rule 10b5-1 Non-Discretionary Option Exercise and Stock Sale Plan adopted by the reporting person on December 12, 2024. The shares were sold at prices ranging from $4.00 to $4.03 and the price reported reflects the weighted average sale price. The options were granted by the Issuer as an inducement material to the reporting person's entering into employment with the Issuer in accordance with Nasdaq Listing Rule 5635(c)(4). 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, subject to the reporting person's continued service with the Issuer on each vesting date. /s/Carolyn Rucci, attorney-in-fact for Richard C. Malabre 2025-06-11