{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-105078","form_type":"8-K","ticker":"ABPO","cik":"0001893219","company_name":"Abpro Holdings, Inc.","filed_at":"2023-04-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:41.524126+00:00","generated_at":"2026-06-17T00:54:52.635005+00:00","sec_items":["1.01","5.03","5.07","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"SPAC Atlantic Coastal Acquisition II extends deadline to Oct 2023; 26.6M shares redeemed","bullets":["Shareholders approved charter amendment extending business combination deadline from Apr 19, 2023 to Oct 19, 2023, with possible further extension to Dec 19, 2023.","Holders of 26,564,308 public shares redeemed at ~$10.40 per share, reducing trust account.","Sponsor entered non-redemption agreements for 3,325,900 shares; will transfer 831,475 sponsor shares post-business combination.","Series B holders voluntarily converted 7,499,999 shares to Series A, with voting restrictions and no trust distribution rights.","Post-conversion and redemptions, outstanding shares: 10,935,691 Series A and 1 Series B share."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-105078","json":"https://secwatch.observer/filing/0001193125-23-105078.json","markdown":"https://secwatch.observer/filing/0001193125-23-105078.md","text":"https://secwatch.observer/filing/0001193125-23-105078.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1893219/000119312523105078/0001193125-23-105078-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1893219/000119312523105078/d450777d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T00:54:52.635005+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":"faaa0902542e8c9e187a25cd322da5873fb37157","claim":"Abpro Holdings, Inc.: Amended charter to extend business combination deadline, add Series B-to-Series A conversion right, and require 65% vote for certain amendments (effective 2023-04-18).","evidence_excerpt":"a proposal to amend the Company’s amended and restated certificate of incorporation (the “Charter”) to (a) extend the date by which the Company must consummate a business combination, (b) provide holders of Series B Common Stock (as defined in the Charter) the right to convert any and all their Series B Common Stock into Series A common stock on a one-for-one basis prior to the closing of a business combination at the election of the holder and (c) provide that certain charter amendments can be effectuated with the affirmative vote of 65% of the shares of common stock outstanding that are entitled to vote","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1893219/000119312523105078/0001193125-23-105078-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2023-04-18"}],"fact_type":"governance_change"},{"claim_id":"0f6ae4319eb156a5bd1c2e07c0ba7fcae938307d","claim":"Abpro Holdings, Inc. shareholders approved Proposal to amend the Charter to extend the business combination date, provide Series B conversion rights, and allow certain amendments with 65% vote at the 2023-04-18 meeting.","evidence_excerpt":"(1) Proposal No. 1 — The Charter Amendment Proposal — a proposal to amend the Company’s amended and restated certificate of incorporation (the “Charter”) to (a) extend the date by which the Company must consummate a business combination, (b) provide holders of Series B Common Stock (as defined in the Charter) the right to convert any and all their Series B Common Stock into Series A common stock on a one-for-one basis prior to the closing of a business combination at the election of the holder and (c) provide that certain charter amendments can be effectuated with the affirmative vote of 65% of the shares of common stock outstanding that are entitled to vote. The following is a tabulation of the votes with respect to this proposal, which was approved by the Company’s stockholders: For Against Abstain Broker Non-Votes 27,839,831 1,624,121 3 N/A","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/1893219/000119312523105078/0001193125-23-105078-index.htm","confidence":0.9,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"charter amendment"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2023-04-18"}],"fact_type":"shareholder_vote"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}