{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-041204","form_type":"8-K","ticker":null,"cik":"0001794621","company_name":"Quanergy Systems, Inc.","filed_at":"2023-02-16T23:59:59+00:00","discovered_at":"2026-05-14T18:03:46.569915+00:00","generated_at":"2026-06-19T09:40:25.172052+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Quanergy auditor Grant Thornton resigns; going-concern doubt noted","bullets":["Grant Thornton resigned as independent auditor on February 10, 2023.","No disagreements or reportable events between company and GT during their tenure.","GT's 2021 audit report included an explanatory paragraph on substantial doubt about going concern.","Company provided disclosures to GT; GT agreed in letter filed as Exhibit 16.1."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-041204","json":"https://secwatch.observer/filing/0001193125-23-041204.json","markdown":"https://secwatch.observer/filing/0001193125-23-041204.md","text":"https://secwatch.observer/filing/0001193125-23-041204.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1794621/000119312523041204/0001193125-23-041204-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1794621/000119312523041204/d454354d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T09:40:25.172052+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":"974ca8c284761afb07ec080d5f7cb5f6bb0fa1fe","claim":"Grant Thornton LLP resigned as auditor of Quanergy Systems, Inc..","evidence_excerpt":"On February 10, 2023, Grant Thornton LLP (“GT”) resigned 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/1794621/000119312523041204/0001193125-23-041204-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"resignation"},{"label":"Auditor","value":"Grant Thornton LLP"}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}