{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-282661","form_type":"8-K","ticker":"RARE","cik":"0001515673","company_name":"Ultragenyx Pharmaceutical Inc.","filed_at":"2022-11-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:50.938985+00:00","generated_at":"2026-06-21T22:50:41.004678+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Ultragenyx CFO Mardi Dier resigns effective Nov 15; search underway","bullets":["Mardi Dier voluntarily resigns as EVP and CFO effective November 15, 2022.","Company has commenced a formal search for a new CFO.","Dier leaves to pursue another opportunity."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-282661","json":"https://secwatch.observer/filing/0001193125-22-282661.json","markdown":"https://secwatch.observer/filing/0001193125-22-282661.md","text":"https://secwatch.observer/filing/0001193125-22-282661.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1515673/000119312522282661/0001193125-22-282661-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1515673/000119312522282661/d407323d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T22:50:41.004678+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":"a6d3890d16","claim":"Mardi Dier resigned as Executive Vice President and Chief Financial Officer at Ultragenyx Pharmaceutical Inc..","evidence_excerpt":"On November 10, 2022, Ultragenyx Pharmaceutical Inc. (the “ Company ”) announced that Mardi Dier had informed the Company of her decision to voluntarily resign from her position as the Company’s Executive Vice President and Chief Financial Officer, effective as of November 15, 2022, to pursue another opportunity.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1515673/000119312522282661/0001193125-22-282661-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Executive Vice President and Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}