{"transactions":[{"id":919125,"issuer":{"id":6105,"kind":"organization","name":"Akebia Therapeutics, Inc."},"owners":[{"id":67720,"kind":"person","name":"Rucci Carolyn M.","position":1,"cik":"0002107264","reported_name":"Rucci Carolyn M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Legal Officer"}}],"security":"Common Stock","published_at":"2026-02-04T21:12:00.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":27544,"price":1.39,"value":38286.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 8, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"This sale was made automatically by the Issuer 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 January 31, 2025."}],"balance_after":588378,"source":{"system":"sec-edgar","filing":"0002107264-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1517022/000210726426000006/primarydocument.xml","form_type":"4"}},{"id":919124,"issuer":{"id":6105,"kind":"organization","name":"Akebia Therapeutics, Inc."},"owners":[{"id":67720,"kind":"person","name":"Rucci Carolyn M.","position":1,"cik":"0002107264","reported_name":"Rucci Carolyn M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Legal Officer"}}],"security":"Common Stock","published_at":"2026-02-04T21:12:00.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":25382,"price":1.39,"value":35280.98,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 8, 2025."},{"field":"shares","element":"transactionShares","label":"F3","text":"This sale was made automatically by the Issuer 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 January 31, 2024."}],"balance_after":615922,"source":{"system":"sec-edgar","filing":"0002107264-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1517022/000210726426000006/primarydocument.xml","form_type":"4"}},{"id":919123,"issuer":{"id":6105,"kind":"organization","name":"Akebia Therapeutics, Inc."},"owners":[{"id":67720,"kind":"person","name":"Rucci Carolyn M.","position":1,"cik":"0002107264","reported_name":"Rucci Carolyn M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Legal Officer"}}],"security":"Common Stock","published_at":"2026-02-04T21:12:00.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":16846,"price":1.39,"value":23415.94,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 8, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"This sale was made automatically by the Issuer 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 January 31, 2023."}],"balance_after":641304,"source":{"system":"sec-edgar","filing":"0002107264-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1517022/000210726426000006/primarydocument.xml","form_type":"4"}},{"id":921239,"issuer":{"id":6105,"kind":"organization","name":"Akebia Therapeutics, Inc."},"owners":[{"id":67720,"kind":"person","name":"Rucci Carolyn M.","position":1,"cik":"0002107264","reported_name":"Rucci Carolyn M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Legal Officer"}}],"security":"Stock Option (Right to buy)","published_at":"2026-02-03T21:40:36.000Z","date":"2026-01-30","kind":"grant","planned":false,"acquired":true,"shares":270000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The options were granted by the Issuer pursuant to its 2023 Stock 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, subject to the reporting person's continued service with the Issuer on each vesting date."}],"balance_after":270000,"derivative":{"exercise_price":1.41,"expiration_date":"2036-01-30","underlying":"Common Stock","underlying_shares":270000},"source":{"system":"sec-edgar","filing":"0002107264-26-000005","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1517022/000210726426000005/primarydocument.xml","form_type":"4"}},{"id":921238,"issuer":{"id":6105,"kind":"organization","name":"Akebia Therapeutics, Inc."},"owners":[{"id":67720,"kind":"person","name":"Rucci Carolyn M.","position":1,"cik":"0002107264","reported_name":"Rucci Carolyn M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Legal Officer"}}],"security":"Common Stock","published_at":"2026-02-03T21:40:36.000Z","date":"2026-01-30","kind":"grant","planned":false,"acquired":true,"shares":190000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock units were granted by the Issuer pursuant to its 2023 Stock 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, subject to the reporting person's continued service with the Issuer on each vesting date."}],"balance_after":658150,"source":{"system":"sec-edgar","filing":"0002107264-26-000005","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1517022/000210726426000005/primarydocument.xml","form_type":"4"}}]}