{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-072192","form_type":"8-K","ticker":"RARE","cik":"0001515673","company_name":"Ultragenyx Pharmaceutical Inc.","filed_at":"2023-12-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:29.332698+00:00","generated_at":"2026-06-07T09:00:50.580995+00:00","sec_items":["5.03","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Ultragenyx amends bylaws to align with Delaware law and SEC universal proxy card rules","bullets":["Board approved Second Amended and Restated Bylaws effective December 15, 2023.","Amendments reflect recent Delaware General Corporation Law changes and SEC universal proxy card rules.","Reserves white proxy card for company's exclusive use; clarifies ability to disregard non-compliant nominations.","Includes administrative, ministerial, clarifying and conforming changes."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-072192","json":"https://secwatch.observer/filing/0000950170-23-072192.json","markdown":"https://secwatch.observer/filing/0000950170-23-072192.md","text":"https://secwatch.observer/filing/0000950170-23-072192.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1515673/000095017023072192/0000950170-23-072192-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1515673/000095017023072192/rare-20231215.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T09:00:50.580995+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"}