{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-24-107083","form_type":"8-K","ticker":"ABPO","cik":"0001893219","company_name":"Abpro Holdings, Inc.","filed_at":"2024-12-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:10.278457+00:00","generated_at":"2026-05-29T05:18:44.240943+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Abpro Holdings dismisses Marcum as auditor; engages Wolf & Company; cites material weaknesses","bullets":["Effective Dec 9, 2024, Abpro dismissed Marcum LLP and engaged Wolf & Company as independent auditor.","No disagreements on accounting principles or audit scope; decision approved by Audit Committee.","Marcum's prior audit reports (FY 2022 & 2023) expressed substantial doubt about going concern.","Material weaknesses: failure to timely file tax returns, trust cash used for taxes/operations, over-accrual of expenses.","Marcum furnished a letter to SEC agreeing with the statements in this 8-K."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-24-107083","json":"https://secwatch.observer/filing/0001213900-24-107083.json","markdown":"https://secwatch.observer/filing/0001213900-24-107083.md","text":"https://secwatch.observer/filing/0001213900-24-107083.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1893219/000121390024107083/0001213900-24-107083-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1893219/000121390024107083/ea022411101-8k_abprohold.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T05:18:44.240943+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"}