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The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":227520,"source":{"system":"sec-edgar","filing":"0002093095-26-000007","document":"wk-form4_1787699976.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000209309526000007/wk-form4_1787699976.xml","form_type":"4"}},{"id":676406,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":20008,"kind":"person","name":"Reilly Joseph James","position":1,"cik":"0002044416","reported_name":"Reilly Joseph James","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2026-08-25T23:17:54.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":1110,"price":3.8569,"value":4281.159,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":145854,"source":{"system":"sec-edgar","filing":"0002044416-26-000008","document":"wk-form4_1787699872.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2044416/000204441626000008/wk-form4_1787699872.xml","form_type":"4"}},{"id":676405,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":20008,"kind":"person","name":"Reilly Joseph James","position":1,"cik":"0002044416","reported_name":"Reilly Joseph James","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2026-08-25T23:17:54.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":2872,"price":3.8569,"value":11077.0168,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":146964,"source":{"system":"sec-edgar","filing":"0002044416-26-000008","document":"wk-form4_1787699872.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2044416/000204441626000008/wk-form4_1787699872.xml","form_type":"4"}},{"id":676064,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19879,"kind":"person","name":"Bishop John E","position":1,"cik":"0001308911","reported_name":"Bishop John E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2026-08-25T23:16:41.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":2469,"price":3.8569,"value":9522.6861,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":317095,"source":{"system":"sec-edgar","filing":"0001308911-26-000007","document":"wk-form4_1787699798.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000130891126000007/wk-form4_1787699798.xml","form_type":"4"}},{"id":676063,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19879,"kind":"person","name":"Bishop John E","position":1,"cik":"0001308911","reported_name":"Bishop John E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2026-08-25T23:16:41.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":17281,"price":3.8569,"value":66651.0889,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":319564,"source":{"system":"sec-edgar","filing":"0001308911-26-000007","document":"wk-form4_1787699798.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000130891126000007/wk-form4_1787699798.xml","form_type":"4"}},{"id":676062,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19878,"kind":"person","name":"Brady James Parker","position":1,"cik":"0002088887","reported_name":"Brady James Parker","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2026-08-25T23:15:17.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":13160,"price":3.8569,"value":50756.804,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":245930,"source":{"system":"sec-edgar","filing":"0002088887-26-000007","document":"wk-form4_1787699714.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000208888726000007/wk-form4_1787699714.xml","form_type":"4"}},{"id":676061,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19878,"kind":"person","name":"Brady James Parker","position":1,"cik":"0002088887","reported_name":"Brady James Parker","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2026-08-25T23:15:17.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":1976,"price":3.8569,"value":7621.2344,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":259090,"source":{"system":"sec-edgar","filing":"0002088887-26-000007","document":"wk-form4_1787699714.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000208888726000007/wk-form4_1787699714.xml","form_type":"4"}},{"id":676390,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":20001,"kind":"person","name":"Foster Eric Duane","position":1,"cik":"0002034148","reported_name":"Foster Eric Duane","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2026-08-25T23:13:16.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":2575,"price":3.8569,"value":9931.5175,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":409410,"source":{"system":"sec-edgar","filing":"0002034148-26-000007","document":"wk-form4_1787699594.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2034148/000203414826000007/wk-form4_1787699594.xml","form_type":"4"}},{"id":676389,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":20001,"kind":"person","name":"Foster Eric Duane","position":1,"cik":"0002034148","reported_name":"Foster Eric Duane","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2026-08-25T23:13:16.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":3389,"price":3.8569,"value":13071.0341,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":411985,"source":{"system":"sec-edgar","filing":"0002034148-26-000007","document":"wk-form4_1787699594.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2034148/000203414826000007/wk-form4_1787699594.xml","form_type":"4"}},{"id":676388,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":20001,"kind":"person","name":"Foster Eric Duane","position":1,"cik":"0002034148","reported_name":"Foster Eric Duane","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2026-08-25T23:13:16.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":2598,"price":3.8569,"value":10020.2262,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":415374,"source":{"system":"sec-edgar","filing":"0002034148-26-000007","document":"wk-form4_1787699594.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2034148/000203414826000007/wk-form4_1787699594.xml","form_type":"4"}},{"id":676060,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19877,"kind":"person","name":"Kelliher Mike","position":1,"cik":"0001987188","reported_name":"Kelliher Mike","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-08-25T23:11:30.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":2002,"price":3.8569,"value":7721.5138,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":349660,"source":{"system":"sec-edgar","filing":"0001987188-26-000009","document":"wk-form4_1787699487.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000198718826000009/wk-form4_1787699487.xml","form_type":"4"}},{"id":676059,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19877,"kind":"person","name":"Kelliher Mike","position":1,"cik":"0001987188","reported_name":"Kelliher Mike","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-08-25T23:11:30.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":2652,"price":3.8569,"value":10228.4988,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":351662,"source":{"system":"sec-edgar","filing":"0001987188-26-000009","document":"wk-form4_1787699487.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000198718826000009/wk-form4_1787699487.xml","form_type":"4"}},{"id":676058,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19877,"kind":"person","name":"Kelliher Mike","position":1,"cik":"0001987188","reported_name":"Kelliher Mike","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-08-25T23:11:30.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":3104,"price":3.8569,"value":11971.8176,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":354314,"source":{"system":"sec-edgar","filing":"0001987188-26-000009","document":"wk-form4_1787699487.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000198718826000009/wk-form4_1787699487.xml","form_type":"4"}},{"id":676240,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19946,"kind":"person","name":"Williams Laura A","position":1,"cik":"0001869194","reported_name":"Williams Laura A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Patient Officer"}}],"security":"Common Stock","published_at":"2026-08-25T23:09:24.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":1734,"price":3.8569,"value":6687.8646,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":367456,"source":{"system":"sec-edgar","filing":"0001869194-26-000011","document":"wk-form4_1787699362.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1869194/000186919426000011/wk-form4_1787699362.xml","form_type":"4"}},{"id":676239,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19946,"kind":"person","name":"Williams Laura A","position":1,"cik":"0001869194","reported_name":"Williams Laura A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Patient Officer"}}],"security":"Common Stock","published_at":"2026-08-25T23:09:24.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":2430,"price":3.8569,"value":9372.267,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":369190,"source":{"system":"sec-edgar","filing":"0001869194-26-000011","document":"wk-form4_1787699362.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869194/000186919426000011/wk-form4_1787699362.xml","form_type":"4"}},{"id":676238,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19946,"kind":"person","name":"Williams Laura A","position":1,"cik":"0001869194","reported_name":"Williams Laura A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Patient Officer"}}],"security":"Common Stock","published_at":"2026-08-25T23:09:24.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":3089,"price":3.8569,"value":11913.9641,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":371620,"source":{"system":"sec-edgar","filing":"0001869194-26-000011","document":"wk-form4_1787699362.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869194/000186919426000011/wk-form4_1787699362.xml","form_type":"4"}},{"id":676237,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19946,"kind":"person","name":"Williams Laura A","position":1,"cik":"0001869194","reported_name":"Williams Laura A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Patient Officer"}}],"security":"Common Stock","published_at":"2026-08-25T23:09:24.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":3486,"price":3.8569,"value":13445.1534,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":374709,"source":{"system":"sec-edgar","filing":"0001869194-26-000011","document":"wk-form4_1787699362.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869194/000186919426000011/wk-form4_1787699362.xml","form_type":"4"}},{"id":676057,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19876,"kind":"person","name":"RAAB MICHAEL","position":1,"cik":"0001321402","reported_name":"RAAB MICHAEL","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2026-08-25T23:07:17.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":19178,"price":3.8569,"value":73967.6282,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":1619792,"source":{"system":"sec-edgar","filing":"0001321402-26-000019","document":"wk-form4_1787699234.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000132140226000019/wk-form4_1787699234.xml","form_type":"4"}},{"id":676056,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19876,"kind":"person","name":"RAAB MICHAEL","position":1,"cik":"0001321402","reported_name":"RAAB MICHAEL","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2026-08-25T23:07:17.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":8411,"price":3.8569,"value":32440.3859,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":1638970,"source":{"system":"sec-edgar","filing":"0001321402-26-000019","document":"wk-form4_1787699234.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000132140226000019/wk-form4_1787699234.xml","form_type":"4"}},{"id":676055,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19876,"kind":"person","name":"RAAB MICHAEL","position":1,"cik":"0001321402","reported_name":"RAAB MICHAEL","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2026-08-25T23:07:17.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":15976,"price":3.8569,"value":61617.8344,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":1647381,"source":{"system":"sec-edgar","filing":"0001321402-26-000019","document":"wk-form4_1787699234.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000132140226000019/wk-form4_1787699234.xml","form_type":"4"}},{"id":676054,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19876,"kind":"person","name":"RAAB MICHAEL","position":1,"cik":"0001321402","reported_name":"RAAB MICHAEL","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2026-08-25T23:07:17.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":15009,"price":3.8569,"value":57888.2121,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (\"RSUs\") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":1663357,"source":{"system":"sec-edgar","filing":"0001321402-26-000019","document":"wk-form4_1787699234.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000132140226000019/wk-form4_1787699234.xml","form_type":"4"}},{"id":706753,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19876,"kind":"person","name":"RAAB MICHAEL","position":1,"cik":"0001321402","reported_name":"RAAB MICHAEL","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-07-17T20:09:07.000Z","date":"2026-07-15","kind":"exercise","planned":true,"acquired":false,"shares":20834,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 7, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option becomes exercisable as it vests and the shares subject to the option vest in 48 successive, equal monthly installments on each monthly anniversary of January 6, 2022, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date."}],"balance_after":290834,"derivative":{"exercise_price":0.99,"expiration_date":"2032-01-06","underlying":"Common Stock","underlying_shares":20834},"source":{"system":"sec-edgar","filing":"0001321402-26-000016","document":"wk-form4_1784318944.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000132140226000016/wk-form4_1784318944.xml","form_type":"4"}},{"id":706752,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19876,"kind":"person","name":"RAAB MICHAEL","position":1,"cik":"0001321402","reported_name":"RAAB MICHAEL","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2026-07-17T20:09:07.000Z","date":"2026-07-15","kind":"sale","planned":true,"acquired":false,"shares":41668,"price":5.062,"value":210923.416,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 7, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Transaction was executed in multiple trades in prices ranging from $5.03 to $5.12, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":1678366,"source":{"system":"sec-edgar","filing":"0001321402-26-000016","document":"wk-form4_1784318944.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000132140226000016/wk-form4_1784318944.xml","form_type":"4"}},{"id":706751,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19876,"kind":"person","name":"RAAB MICHAEL","position":1,"cik":"0001321402","reported_name":"RAAB MICHAEL","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2026-07-17T20:09:07.000Z","date":"2026-07-15","kind":"exercise","planned":true,"acquired":true,"shares":20834,"price":0.99,"value":20625.66,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 7, 2025."}],"balance_after":1720034,"source":{"system":"sec-edgar","filing":"0001321402-26-000016","document":"wk-form4_1784318944.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437402/000132140226000016/wk-form4_1784318944.xml","form_type":"4"}},{"id":730668,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19946,"kind":"person","name":"Williams Laura A","position":1,"cik":"0001869194","reported_name":"Williams Laura A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Patient Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-06-22T20:01:35.000Z","date":"2026-06-18","kind":"exercise","planned":true,"acquired":false,"shares":31000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 19, 2026."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option becomes exercisable as it vests and the shares subject to the option vest in 48 successive, equal monthly installments on each monthly anniversary of January 6, 2022, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date."}],"balance_after":31000,"derivative":{"exercise_price":0.99,"expiration_date":"2032-01-06","underlying":"Common Stock","underlying_shares":31000},"source":{"system":"sec-edgar","filing":"0001869194-26-000008","document":"wk-form4_1782158491.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869194/000186919426000008/wk-form4_1782158491.xml","form_type":"4"}},{"id":730667,"issuer":{"id":4972,"kind":"organization","name":"ARDELYX, INC."},"owners":[{"id":19946,"kind":"person","name":"Williams Laura A","position":1,"cik":"0001869194","reported_name":"Williams Laura A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Patient Officer"}}],"security":"Common Stock","published_at":"2026-06-22T20:01:35.000Z","date":"2026-06-18","kind":"sale","planned":true,"acquired":false,"shares":81898,"price":5.989,"value":490487.122,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 19, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Transaction was executed in multiple trades in prices ranging from $5.97 to $6.0086, inclusive. 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