{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-22-017308","form_type":"8-K","ticker":"MLGO","cik":"0001800392","company_name":"MicroAlgo Inc.","filed_at":"2022-09-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:57.074516+00:00","generated_at":"2026-06-23T06:27:33.807927+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Venus Acquisition replaces auditor Friedman with Marcum after Friedman merger","bullets":["Audit Committee dismissed Friedman and engaged Marcum as independent auditor for FY2022, effective Sept 30, 2022.","No disagreements or reportable events occurred with Friedman during 2020, 2021, or interim 2022 periods.","Friedman's 2020 report contained a going-concern uncertainty; 2021 report was unqualified."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-22-017308","json":"https://secwatch.observer/filing/0001829126-22-017308.json","markdown":"https://secwatch.observer/filing/0001829126-22-017308.md","text":"https://secwatch.observer/filing/0001829126-22-017308.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1800392/000182912622017308/0001829126-22-017308-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1800392/000182912622017308/venusacquisition_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T06:27:33.807927+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"}