{"schema_version":"secwatch.filing_event.v1","accession":"0001641172-25-006239","form_type":"8-K","ticker":"LUCD","cik":"0001799011","company_name":"Lucid Diagnostics Inc.","filed_at":"2025-04-25T23:59:59+00:00","discovered_at":"2026-05-14T18:02:49.758965+00:00","generated_at":"2026-05-23T05:59:27.372423+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":"Lucid Diagnostics changes auditor to CBIZ CPAs after Marcum acquisition","bullets":["Marcum resigned as auditor on April 23, 2025; CBIZ CPAs engaged same day with audit committee approval.","No disagreements or reportable events with Marcum during fiscal years 2024 and 2023 through resignation.","Marcum's audit reports for 2024 and 2023 included a going concern explanatory paragraph.","Marcum's acquisition by CBIZ CPAs on Nov 1, 2024 triggered the change."],"urls":{"canonical":"https://secwatch.observer/filing/0001641172-25-006239","json":"https://secwatch.observer/filing/0001641172-25-006239.json","markdown":"https://secwatch.observer/filing/0001641172-25-006239.md","text":"https://secwatch.observer/filing/0001641172-25-006239.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1799011/000164117225006239/0001641172-25-006239-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1799011/000164117225006239/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T05:59:27.372423+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"}