---
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"
generated_at: "2026-06-07T11:29:11.988322+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Atlantic Coastal II shareholders approve charter extension to March 2024; 2.77M shares redeemed at ~$10.68

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.03, 5.07, 9.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-297729
- JSON: https://secwatch.observer/filing/0001193125-23-297729.json
- Plain text: https://secwatch.observer/filing/0001193125-23-297729.txt

## Key facts
- Governance Changes
  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).
  - Change: charter amendment
  - Effective: 2023-12-15
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/1893219/000119312523297729/0001193125-23-297729-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.