{"schema_version":"secwatch.filing_event.v1","accession":"0001647639-26-000033","form_type":"8-K","ticker":"UPST","cik":"0001647639","company_name":"Upstart Holdings, Inc.","filed_at":"2026-02-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.747169+00:00","generated_at":"2026-05-16T01:45:38.428121+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Upstart repurchases $100M in common stock over four trading days","bullets":["Repurchased 3,193,294 shares at avg $31.31/share between Feb 12-18, 2026.","Program authorized at $400M; $122M remains after this $100M tranche.","Open-market purchases under board-authorized repurchase program."],"urls":{"canonical":"https://secwatch.observer/filing/0001647639-26-000033","json":"https://secwatch.observer/filing/0001647639-26-000033.json","markdown":"https://secwatch.observer/filing/0001647639-26-000033.md","text":"https://secwatch.observer/filing/0001647639-26-000033.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1647639/000164763926000033/0001647639-26-000033-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1647639/000164763926000033/upst-20260219.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T01:45:38.428121+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"}