{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-297729","form_type":"8-K","ticker":"ABPO","cik":"0001893219","company_name":"Abpro Holdings, Inc.","filed_at":"2023-12-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:31.327331+00:00","generated_at":"2026-06-07T11:29:11.988322+00:00","sec_items":["5.03","5.07","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Atlantic Coastal II shareholders approve charter extension to March 2024; 2.77M shares redeemed at ~$10.68","bullets":["Stockholders approved extending business combination deadline from Dec 19, 2023 to Mar 19, 2024.","Sponsor can extend further monthly up to Sep 19, 2024 by depositing lesser of $30k or $0.045 per non-redeemed share.","Holders of 2,768,301 public shares exercised redemption rights, receiving ~$10.68 per share.","Proposal passed with 2,673,346 votes for, 210,303 against; quorum of 2,883,649 shares represented.","Redemption of over 2.7M shares significantly reduces trust assets available for future business combination."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-297729","json":"https://secwatch.observer/filing/0001193125-23-297729.json","markdown":"https://secwatch.observer/filing/0001193125-23-297729.md","text":"https://secwatch.observer/filing/0001193125-23-297729.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1893219/000119312523297729/0001193125-23-297729-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1893219/000119312523297729/d416489d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T11:29:11.988322+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":"2e910cb3fae788f3eb3daac0e2285029197ad424","claim":"Abpro Holdings, Inc.: Amendment to extend the deadline for consummating a business combination from December 19, 2023 to March 19, 2024, with possible monthly extensions up to September 19, 2024 (effective 2023-12-15).","evidence_excerpt":"the stockholders approved a proposal to amend the Company’s amended and restated certificate of incorporation, as amended (the “ Charter ”), to extend the date by which the Company must (i) consummate a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination involving the Company and one or more businesses (a “ Business Combination ”), (ii) cease its operations if it fails to complete such Business Combination, and (iii) redeem or repurchase 100% of the Company’s Series A common stock included as part of the units sold in the Company’s initial public offering that was consummated on January 19, 2022 (the “ Public Shares ”), from December 19, 2023 (the “ Original Termination Date ”) to March 19, 2024 (the “ Extended Date ”)","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1893219/000119312523297729/0001193125-23-297729-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2023-12-15"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}