---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-240485"
form_type: "8-K"
ticker: "ABPO"
cik: "0001893219"
company_name: "Abpro Holdings, Inc."
filed_at: "2024-10-21T23:59:59+00:00"
generated_at: "2026-05-30T12:27:39.187337+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Atlantic Coastal gets Nasdaq delisting notice, extends SPAC deadline to Nov 19; S-4 effective for Abpro deal

## Summary
- Nasdaq delisting determination on Oct 16, 2024 for failure to meet market value of publicly held shares, round lot holders, and minimum publicly held shares requirements.
- Company intends to request a hearing by Oct 23, 2024 to stay suspension; expects to regain compliance upon closing of business combination with Abpro.
- Board extended deadline to complete a business combination from Oct 19, 2024 to Nov 19, 2024.
- S-4 registration statement for the Abpro business combination became effective on Oct 18, 2024.
- Nasdaq also noted failure to maintain 750,000 publicly held shares as of Sep 10, 2024.

## SEC filing metadata
- accession: 0001193125-24-240485
- form_type: 8-K
- ticker: ABPO
- cik: 0001893219
- company_name: Abpro Holdings, Inc.
- filed_at: 2024-10-21T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 3.01, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1893219/000119312524240485/0001193125-24-240485-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1893219/000119312524240485/d836608d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-240485
- JSON: https://secwatch.observer/filing/0001193125-24-240485.json
- Plain text: https://secwatch.observer/filing/0001193125-24-240485.txt

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