{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-027241","form_type":"8-K","ticker":"PSNL","cik":"0001527753","company_name":"Personalis, Inc.","filed_at":"2023-06-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:39.260638+00:00","generated_at":"2026-06-14T03:49:09.843967+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Personalis dismisses Deloitte as auditor, appoints BDO USA as new independent accounting firm","bullets":["Audit Committee dismissed Deloitte & Touche as independent auditor on June 6, 2023.","Deloitte's audit reports for FY2021 and FY2022 contained no adverse opinion or qualification.","No disagreements or reportable events between Company and Deloitte during the relevant periods.","BDO USA, LLP was appointed as new auditor for FY2023, formally engaged on June 9, 2023.","Deloitte provided a letter to SEC agreeing with the Company's disclosures."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-027241","json":"https://secwatch.observer/filing/0000950170-23-027241.json","markdown":"https://secwatch.observer/filing/0000950170-23-027241.md","text":"https://secwatch.observer/filing/0000950170-23-027241.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1527753/000095017023027241/0000950170-23-027241-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1527753/000095017023027241/psnl-20230606.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T03:49:09.843967+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":"850e6e87b7c89b6c2a957b702b5cce562e0f7f80","claim":"Personalis, Inc. engaged BDO USA, LLP as its auditor.","evidence_excerpt":"(b) Engagement of New Independent Registered Public Accounting Firm On June 6, 2023, the Audit Committee approved the engagement of BDO USA, LLP (\"BDO\") as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2023.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1527753/000095017023027241/0000950170-23-027241-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"BDO USA, LLP"}],"fact_type":"auditor_change"},{"claim_id":"e0aabfe7317f4235990f1d62a0bc141b5a29d50e","claim":"Personalis, Inc. dismissed Deloitte & Touche LLP as its auditor.","evidence_excerpt":"On June 6, 2023, the Audit Committee of the Board of Directors (the “Audit Committee”) of Personalis, Inc., a Delaware corporation (the “Company”), dismissed Deloitte & Touche LLP (“Deloitte”) as the Company’s independent registered public accounting firm.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1527753/000095017023027241/0000950170-23-027241-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"dismissal"},{"label":"Auditor","value":"Deloitte & Touche LLP"}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}