{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-207646","form_type":"8-K","ticker":"PROK","cik":"0001850270","company_name":"PROKIDNEY CORP.","filed_at":"2021-07-02T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.134117+00:00","generated_at":"2026-06-30T07:43:49.640505+00:00","sec_items":["1.01","3.02","5.02","5.03","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"SPAC Social Capital Suvretta III closes $250M IPO and funds trust account","bullets":["IPO of 25M Class A shares at $10.00 closed July 2, 2021; gross proceeds $250M.","Concurrent private sale of 640k Private Placement Shares to sponsor for $6.4M.","Proceeds placed in trust at JP Morgan/Continental; restricted until business combination or 24-month deadline.","Marc Semigran appointed to board as chairman of audit, compensation, and nominating committees.","Company targets biotechnology industry, specifically the organ space subsector."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-207646","json":"https://secwatch.observer/filing/0001193125-21-207646.json","markdown":"https://secwatch.observer/filing/0001193125-21-207646.md","text":"https://secwatch.observer/filing/0001193125-21-207646.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1850270/000119312521207646/0001193125-21-207646-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1850270/000119312521207646/d123596d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T07:43:49.640505+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":[{"claim_id":"d845485ffe","claim":"Marc Semigran was appointed as Director at PROKIDNEY CORP..","evidence_excerpt":"On June 29, 2021, in connection with the IPO, Marc Semigran was appointed to the board of directors of the Company","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1850270/000119312521207646/0001193125-21-207646-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}