X0508 4 2025-06-10 false 0001517022 Akebia Therapeutics, Inc. AKBA 0001609480 Smith Cynthia C/O AKEBIA THERAPEUTICS, INC 245 FIRST STREET CAMBRIDGE MA 02142 true false false false false Common Stock 2025-06-10 4 A false 35700.00 0.00 A 160933.00 D Stock Option (Right to buy) 3.92 2025-06-10 4 A false 53600.00 0.00 A 2026-06-10 2035-06-10 Common Stock 53600.00 53600.00 D The restricted stock units (the "RSUs") were granted by the Issuer pursuant to its 2023 Stock Incentive Plan (the "2023 Plan"), as provided by the Issuer's Fourth Amended and Restated Non-Employee Director Compensation Program (the "Program"). The RSUs will vest in full (100%) on the first anniversary of the grant date (or, if earlier, immediately prior to the first annual meeting of the Company's stockholders occurring after the date of grant), subject to the Reporting Person's continued service to the Issuer. The option to purchase shares of the Issuer's common stock (the "Stock Option") was granted by the Issuer pursuant to the 2023 Plan, as provided by the Program. The Stock Option will vest and become exercisable in full (100%) on the first anniversary of the grant date (or, if earlier, immediately prior to the first annual meeting of the Company's stockholders occurring after the date of grant), subject to the Reporting Person's continued service to the Issuer. /s / Carolyn Rucci, attorney-in-fact for Cynthia Smith 2025-06-11