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Abpro Holdings, Inc.

Biological Products, (No Diagnostic Substances) · NEW YORK · NY

Distress signal

Moderate confidence (50%)

Updated Oct 19, 2026, 12:04 AM

What is happening

Derived by rule set status-rules-2026.09.7

An exchange warned the company it no longer meets the listing standards. Companies regain compliance often.

Latest material event: Abpro Holdings, Inc. was delisted from its exchange (Sep 30, 2026)

Timeline

Every material event, newest first. History is never overwritten.

  1. Abpro Holdings, Inc. was delisted from its exchange

    Sep 30, 2026

    Delisting effective

    • SEC EDGAR — “X0203 0001354457 Nasdaq Stock Market LLC 0001893219 Abpro Holdings, Inc. 333-261459 100 Summit Drive Burlington MA MASSACHUSETTS 01803 +1 (248) 890-7200 Class A Common Stock and Warrants 17 CFR 240.12d2-2(b) Aravind Menon Hearings Advisor 2026-09-30”

  2. Abpro Holdings, Inc. received a delisting notice from its exchange

    May 28, 2026

    Delisting notice received

    • SEC EDGAR — “Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On May 28, 2026, Abpro Holdings, Inc. (the Company ) received written notification from the Nasdaq Listing and Hearing Review Council (the Council ) that the Council had reviewed the decision of the Nasdaq Hearings Panel (the Panel ) of the Nasdaq Stock Market LLC ( Nasdaq ) and had determined to reaffirm the Panel s decision that due to the Company not having met the terms of the Panel s November 10, 2025 decision that the Company demonstrate compliance with the minimum equity standa…”

  3. Abpro Holdings, Inc. received a delisting notice from its exchange

    Feb 18, 2026

    Delisting notice received

    • SEC EDGAR — “Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On February 18, 2026, Abpro Holdings, Inc. (the Company ) received written notification from the Nasdaq Hearings Panel (the Panel ) of the Nasdaq Stock Market LLC ( Nasdaq ) stating that, due to the Company not having met the terms of the Panel s November 10, 2025 decision that the Company demonstrate compliance with the minimum equity standard requirement under Nasdaq Listing Rule 5550(b)(1) by February 16, 2026, the Company s securities will be delisted from Nasdaq, and trading will…”

  4. Abpro Holdings, Inc. received a delisting notice from its exchange

    Feb 5, 2026

    Delisting notice received

    • SEC EDGAR — “Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. As previously disclosed, on January 28, 2026, Anthony D. Eisenberg notified the Board of Directors (the Board ) of Abpro Holdings, Inc. (the Company ) of his resignation from the Board and all committees thereof. On January 30, 2026, Sooyoung Lee notified the Board of his resignation from the Board and all committees thereof. Following these resignations, the Board has initiated a process to identify and appoint qualified independent directors to fill the resulting vacancies and to sa…”

Company information

Founded
—
Employees (estimate)
—
Industry
Biological Products, (No Diagnostic Substances)
Subindustry
—
Listing
SEC lists the tickers ABPO and ABPWW on OTC.
SEC CIK
0001893219
Website
—
LinkedIn
—
Headquarters
NEW YORK, NY
Also known as
Atlantic Coastal Acquisition Corp. II
Legal entities
Abpro Holdings, Inc.

Sources

Every material source used to build this profile.

  • SEC EDGAR (TIER 1 · UNVERIFIED)

    X0203 0001354457 Nasdaq Stock Market LLC 0001893219 Abpro Holdings, Inc. 333-261459 100 Summit Drive Burlington MA MASSACHUSETTS 01803 +1 (248) 890-7200 Class A Common Stock and Warrants 17 CFR 240.12d2-2(b) Aravind Menon Hearings Advisor 2026-09-30
    View source record

  • SEC Company Submissions (TIER 1 · UNVERIFIED)

    Abpro Holdings, Inc. — Biological Products, (No Diagnostic Substances) (SIC 2836) — NEW YORK, NY
    View source record

  • SEC EDGAR (TIER 1 · UNVERIFIED)

    Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On May 28, 2026, Abpro Holdings, Inc. (the Company ) received written notification from the Nasdaq Listing and Hearing Review Council (the Council ) that the Council had reviewed the decision of the Nasdaq Hearings Panel (the Panel ) of the Nasdaq Stock Market LLC ( Nasdaq ) and had determined to reaffirm the Panel s decision that due to the Company not having met the terms of the Panel s November 10, 2025 decision that the Company demonstrate compliance with the minimum equity standa…
    View source record

  • SEC EDGAR (TIER 1 · UNVERIFIED)

    Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On February 18, 2026, Abpro Holdings, Inc. (the Company ) received written notification from the Nasdaq Hearings Panel (the Panel ) of the Nasdaq Stock Market LLC ( Nasdaq ) stating that, due to the Company not having met the terms of the Panel s November 10, 2025 decision that the Company demonstrate compliance with the minimum equity standard requirement under Nasdaq Listing Rule 5550(b)(1) by February 16, 2026, the Company s securities will be delisted from Nasdaq, and trading will…
    View source record

  • SEC EDGAR (TIER 1 · UNVERIFIED)

    Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. As previously disclosed, on January 28, 2026, Anthony D. Eisenberg notified the Board of Directors (the Board ) of Abpro Holdings, Inc. (the Company ) of his resignation from the Board and all committees thereof. On January 30, 2026, Sooyoung Lee notified the Board of his resignation from the Board and all committees thereof. Following these resignations, the Board has initiated a process to identify and appoint qualified independent directors to fill the resulting vacancies and to sa…
    View source record

Status history

Every derived status, with the rule that produced it.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALLISTING_STANDARDS_WARNING · Sep 18, 2026, 01:31 AM

    An exchange warned the company it no longer meets the listing standards. Companies regain compliance often.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALLISTING_STANDARDS_WARNING · Sep 18, 2026, 01:11 AM

    An exchange warned the company it no longer meets the listing standards. Companies regain compliance often.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 15, 2026, 12:34 PM

    An exchange warned the company it no longer meets the listing standards. Companies regain compliance often.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 13, 2026, 12:04 AM

    An exchange warned the company it no longer meets the listing standards. Companies regain compliance often.

  • UNKNOWN → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 8, 2026, 04:05 AM

    An exchange warned the company it no longer meets the listing standards. Companies regain compliance often.