{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-23-032952","form_type":"8-K","ticker":"ARDX","cik":"0001437402","company_name":"ARDELYX, INC.","filed_at":"2023-09-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:33.922233+00:00","generated_at":"2026-06-10T09:11:53.502710+00:00","sec_items":["8.01","9.01"],"event_type":"regulatory","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Ardelyx receives $30M milestone payments from Kyowa Kirin on Japan approval of tenapanor","bullets":["Kyowa Kirin received MHLW approval in Japan for tenapanor for hyperphosphatemia in adult CKD patients on dialysis.","Approval triggers $30M in milestone and amendment payments from Kyowa Kirin to Ardelyx.","Ardelyx also receives $5M from HealthCare Royalty Partners under its existing agreement.","Ardelyx may receive an additional $5M from HealthCare Royalty Partners if net sales in Japan exceed a target by 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-23-032952","json":"https://secwatch.observer/filing/0001628280-23-032952.json","markdown":"https://secwatch.observer/filing/0001628280-23-032952.md","text":"https://secwatch.observer/filing/0001628280-23-032952.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1437402/000162828023032952/0001628280-23-032952-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1437402/000162828023032952/ardx-20230925.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T09:11:53.502710+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}