{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-085772","form_type":"8-K","ticker":null,"cik":"0001661460","company_name":"Poseida Therapeutics, Inc.","filed_at":"2023-03-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:46.050978+00:00","generated_at":"2026-06-17T09:17:27.108752+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Poseida Therapeutics dismisses PwC, appoints EY as independent auditor for FY2023","bullets":["Audit Committee dismissed PwC on March 27, 2023; PwC's 2022 report included an emphasis-of-matter paragraph on additional financing needs.","No disagreements or reportable events between Poseida and PwC during fiscal years 2022, 2021, and subsequent interim period.","Ernst & Young LLP appointed as new independent registered public accounting firm for fiscal year ending December 31, 2023.","Company had not consulted EY on accounting principles or audit opinions prior to engagement."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-085772","json":"https://secwatch.observer/filing/0001193125-23-085772.json","markdown":"https://secwatch.observer/filing/0001193125-23-085772.md","text":"https://secwatch.observer/filing/0001193125-23-085772.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1661460/000119312523085772/0001193125-23-085772-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1661460/000119312523085772/d471529d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T09:17:27.108752+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":"04e77d1fe06f6be9118b0a4de83e13d2344aae05","claim":"Poseida Therapeutics, Inc. dismissed PricewaterhouseCoopers LLP as its auditor.","evidence_excerpt":"On March 27, 2023, the Audit Committee dismissed PricewaterhouseCoopers LLP (“PwC”) 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/1661460/000119312523085772/0001193125-23-085772-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"dismissal"},{"label":"Auditor","value":"PricewaterhouseCoopers LLP"},{"label":"Successor","value":"Ernst & Young LLP"}],"fact_type":"auditor_change"},{"claim_id":"b1dae5df761b4a1f65e476335881d4a639e3673e","claim":"Poseida Therapeutics, Inc. engaged Ernst & Young LLP as its auditor.","evidence_excerpt":"On March 27, 2023, after conducting an auditor evaluation and selection process, the Audit Committee approved the appointment of Ernst & Young LLP (“EY”) 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/1661460/000119312523085772/0001193125-23-085772-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"Ernst & Young LLP"}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}