{"schema_version":"secwatch.filing_event.v1","accession":"0001321732-24-000042","form_type":"8-K","ticker":"PEN","cik":"0001321732","company_name":"Penumbra Inc","filed_at":"2024-03-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:23.753937+00:00","generated_at":"2026-06-04T09:36:27.389747+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Penumbra dismisses Deloitte, appoints PwC as auditor for FY2024","bullets":["Deloitte & Touche dismissed as independent auditor effective March 17, 2024.","PricewaterhouseCoopers appointed as new auditor for fiscal year ending Dec 31, 2024.","Deloitte's reports on 2023 and 2022 financials contained no adverse opinion or qualification.","No disagreements or reportable events occurred during 2023, 2022, or interim period through March 17, 2024.","Deloitte has provided a letter agreeing with the company's disclosures, filed as Exhibit 16.1."],"urls":{"canonical":"https://secwatch.observer/filing/0001321732-24-000042","json":"https://secwatch.observer/filing/0001321732-24-000042.json","markdown":"https://secwatch.observer/filing/0001321732-24-000042.md","text":"https://secwatch.observer/filing/0001321732-24-000042.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1321732/000132173224000042/0001321732-24-000042-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1321732/000132173224000042/pen-20240317.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T09:36:27.389747+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"}