Abpro Holdings, INC. (ABPWW) — SEC Filings

Overview

Abpro Holdings, INC. (ABPWW) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 8-K filed on Dec 15, 2025: Abpro Holdings, Inc. filed an 8-K on December 15, 2025, reporting a Regulation FD Disclosure and Financial Statements and Exhibits. The company, formerly Atlantic Coastal Acquisition Corp. II, is incorporated in Delaware and has its principal executive offices in Burlington, MA. This filing does not

Sentiment Summary

Across 50 filings, the sentiment breakdown is: 9 bearish, 38 neutral, 3 mixed. The dominant filing sentiment for Abpro Holdings, INC. is neutral.

Filing Type Overview

Abpro Holdings, INC. (ABPWW) has filed 29 8-K, 3 S-1/A, 4 10-Q, 3 S-1, 1 8-K/A, 6 DEFA14A, 3 DEF 14A, 1 10-K with the SEC between Sep 2024 to Dec 2025.

Filings by Year

2025 · 2024

Recent Filings (50)

• Abpro Holdings Files 8-K — 8-K · Dec 15, 2025 Risk: low
  Abpro Holdings, Inc. filed an 8-K on December 15, 2025, reporting a Regulation FD Disclosure and Financial Statements and Exhibits. The company, formerly Atlant
• Abpro Holdings Files 8-K — 8-K · Dec 9, 2025 Risk: low
  Abpro Holdings, Inc. filed an 8-K on December 9, 2025, reporting on events that occurred on the same date. The filing indicates it is a Regulation FD Disclosure
• Abpro Files S-1/A for YA Resale, Seeks $50M Equity Line — S-1/A · Nov 28, 2025 Risk: high
  Abpro Holdings, Inc. (ABPWW) filed an S-1/A on November 28, 2025, detailing the potential resale of up to 9,775,017 shares of Common Stock by YA II PN, Ltd. (YA
• Abpro's Losses Widen to $8.5M, Nasdaq Delisting Looms Amid Cash Crunch — 10-Q · Nov 14, 2025 Risk: high
  Abpro Holdings, Inc. reported a net loss of $1,657 thousand for the three months ended September 30, 2025, compared to a net loss of $2,093 thousand for the sam
• Abpro Files S-1 for YA Resale, Seeks $50M Via Equity Line — S-1 · Nov 7, 2025 Risk: high
  Abpro Holdings, Inc. (ABPWW) filed an S-1 on November 7, 2025, for the resale of up to 9,775,017 shares of Common Stock by YA II PN, Ltd. (YA) under a Standby E
• Abpro Holdings Files 8-K/A Amendment — 8-K/A · Nov 4, 2025 Risk: low
  Abpro Holdings, Inc. filed an amendment (8-K/A) on November 4, 2025, to a previous filing. This amendment pertains to Regulation FD Disclosure and Financial Sta
• 8-K Filing — 8-K · Nov 3, 2025
• Abpro Holdings Files 8-K with Corporate Updates — 8-K · Oct 22, 2025 Risk: low
  Abpro Holdings, Inc. filed an 8-K on October 22, 2025, reporting events as of October 16, 2025. The filing indicates amendments to its articles of incorporation
• Abpro Holdings Faces Delisting Notice — 8-K · Oct 17, 2025 Risk: high
  Abpro Holdings, Inc. filed an 8-K on October 17, 2025, reporting a notice of delisting or failure to meet continued listing requirements as of October 14, 2025.
• Abpro Holdings Reports Shareholder Vote Matter — 8-K · Oct 14, 2025 Risk: low
  Abpro Holdings, Inc. filed an 8-K on October 14, 2025, reporting on a matter submitted to a vote of security holders on October 10, 2025. The company, formerly
• Abpro Holdings Files Definitive Additional Proxy Materials — DEFA14A · Oct 6, 2025 Risk: low
  Abpro Holdings, Inc. filed definitive additional materials on October 6, 2025, related to its proxy statement for the annual meeting of stockholders. The compan
• Abpro Holdings Faces Delisting Concerns — 8-K · Oct 3, 2025 Risk: high
  Abpro Holdings, Inc. filed an 8-K on October 3, 2025, reporting a notice of delisting or failure to satisfy a continued listing rule. The company, formerly know
• Abpro Holdings Announces Leadership and Compensation Changes — 8-K · Oct 2, 2025 Risk: medium
  Abpro Holdings, Inc. filed an 8-K on October 2, 2025, reporting changes effective September 30, 2025. The filing details the departure of directors, election of
• Abpro Holdings Files Definitive Additional Materials — DEFA14A · Sep 18, 2025 Risk: low
  Abpro Holdings, Inc. has filed definitive additional materials related to its proxy statement for an adjourned annual meeting. The company, formerly known as At
• Abpro Holdings Inc. Files Definitive Additional Materials — DEFA14A · Sep 16, 2025 Risk: low
  Abpro Holdings, Inc. filed definitive additional materials on September 16, 2025, related to its proxy statement. The company, formerly known as Atlantic Coasta
• Abpro Holdings Seeks Reverse Stock Split Approval at Annual Meeting — DEF 14A · Sep 8, 2025 Risk: medium
  Abpro Holdings, Inc. (ABPWW) is holding its Annual Meeting on September 18, 2025, to address three key proposals: re-electing one Class I director, ratifying Wo
• Abpro Holdings' Losses Widen, Nasdaq Delisting Looms Amid Cash Crunch — 10-Q · Aug 13, 2025 Risk: high
  Abpro Holdings, Inc. reported a net loss of $2.984 million for the three months ended June 30, 2025, and a net loss of $6.871 million for the six months ended J
• Abpro Holdings Files 8-K on Director/Officer Changes — 8-K · Jul 24, 2025 Risk: medium
  Abpro Holdings, Inc. filed an 8-K on July 24, 2025, reporting events as of July 20, 2025. The filing pertains to the departure of directors, election of directo
• Abpro Holdings, Inc. Files 8-K, Updates Office Address — 8-K · Jun 17, 2025 Risk: low
  On June 17, 2025, Abpro Holdings, Inc. filed an 8-K report. The filing indicates that the company's principal executive office is located at 68 Cummings Park Dr
• Abpro Holdings Files S-1/A for Continuous Offering — S-1/A · Jun 6, 2025 Risk: high
  Abpro Holdings, Inc. (ABPWW) filed an S-1/A on June 6, 2025, for a delayed or continuous offering of securities under Rule 415, indicating a potential capital r
• Abpro Files S-1 for Continuous Offering, Signaling Future Capital Raise — S-1 · May 22, 2025 Risk: high
  Abpro Holdings, Inc. (ABPWW) filed an S-1 registration statement on May 22, 2025, for a delayed or continuous offering of securities under Rule 415. The company
• Abpro Holdings Files Q1 2025 10-Q — 10-Q · May 15, 2025 Risk: low
  Abpro Holdings, Inc. filed its quarterly report on Form 10-Q for the period ended March 31, 2025. The company, formerly known as Atlantic Coastal Acquisition Co
• Abpro Holdings Files Definitive Proxy Statement — DEF 14A · Apr 29, 2025 Risk: low
  Abpro Holdings, Inc. filed a Definitive Proxy Statement (DEF 14A) on April 29, 2025, for its annual meeting on May 20, 2025. The company, formerly known as Atla
• Abpro Holdings Files 8-K, Updates Corporate Information — 8-K · Apr 28, 2025 Risk: low
  Abpro Holdings, Inc. filed an 8-K on April 28, 2025, reporting events as of April 27, 2025. The filing indicates a change in its reporting status and includes f
• Abpro Holdings Enters Material Agreement, Faces Financial Obligations — 8-K · Apr 24, 2025 Risk: medium
  On April 20, 2025, Abpro Holdings, Inc. entered into a material definitive agreement, likely related to financing or a significant business transaction. This fi
• Abpro Holdings Faces Delisting Concerns — 8-K · Apr 16, 2025 Risk: high
  Abpro Holdings, Inc. filed an 8-K on April 16, 2025, reporting a notice of delisting or failure to satisfy a continued listing rule. The company, formerly known
• Abpro Holdings Files 2024 Annual Report — 10-K · Apr 15, 2025 Risk: medium
  Abpro Holdings, Inc. filed its annual report for the fiscal year ended December 31, 2024. The company, formerly known as Atlantic Coastal Acquisition Corp. II,
• Abpro Holdings Faces Delisting Concerns — 8-K · Apr 8, 2025 Risk: high
  Abpro Holdings, Inc. filed an 8-K on April 8, 2025, reporting a notice of delisting or failure to satisfy a continued listing rule or standard, with the earlies
• Abpro Holdings, Inc. Files 8-K, Former Name Revealed — 8-K · Mar 26, 2025 Risk: low
  On March 25, 2025, Abpro Holdings, Inc. filed an 8-K report. The filing indicates that the company's former name was Atlantic Coastal Acquisition Corp. II, with
• Abpro Holdings Files Definitive Proxy Statement — DEF 14A · Mar 24, 2025 Risk: low
  Abpro Holdings, Inc. filed its definitive proxy statement on March 24, 2025, for its annual meeting of stockholders. The filing, designated as DEF 14A, outlines
• Abpro Holdings Reports Director Changes and Compensation Updates — 8-K · Mar 7, 2025 Risk: medium
  On March 3, 2025, Abpro Holdings, Inc. filed an 8-K report detailing changes in its board of directors and executive compensation arrangements. The filing indic
• Abpro Holdings Files 8-K on Security Holder Rights — 8-K · Mar 6, 2025 Risk: low
  On March 5, 2025, Abpro Holdings, Inc. filed an 8-K report detailing material modifications to the rights of its security holders and financial statements. The
• 8-K Filing — 8-K · Feb 21, 2025
• Abpro Holdings IPO Amendment Filed — S-1/A · Feb 7, 2025 Risk: medium
  Abpro Holdings, Inc. filed an S-1/A amendment on February 7, 2025, for its initial public offering. The company, previously known as Atlantic Coastal Acquisitio
• Abpro Holdings, Inc. Files S-1 Registration — S-1 · Dec 23, 2024 Risk: medium
  Abpro Holdings, Inc. filed an S-1 registration statement with the SEC on December 23, 2024. The company, formerly known as Atlantic Coastal Acquisition Corp. II
• Abpro Holdings Files 8-K — 8-K · Dec 12, 2024 Risk: low
  Abpro Holdings, Inc. filed an 8-K on December 12, 2024, reporting on its corporate status and financial exhibits. The company, formerly known as Atlantic Coasta
• Abpro Holdings, Inc. Reports Change in Certifying Accountant — 8-K · Dec 10, 2024 Risk: medium
  Abpro Holdings, Inc. filed an 8-K on December 9, 2024, reporting changes in its certifying accountant. The company, formerly known as Atlantic Coastal Acquisiti
• Abpro Holdings Announces Board and Executive Changes — 8-K · Nov 29, 2024 Risk: medium
  Abpro Holdings, Inc. announced on November 21, 2024, changes related to its board of directors and executive compensation. Specifically, the company reported th
• Abpro Holdings Files Q3 2024 10-Q Report — 10-Q · Nov 26, 2024 Risk: medium
  Abpro Holdings, Inc. filed its 10-Q for the quarter ended September 30, 2024, reporting on its financial performance. The company, formerly known as Atlantic Co
• Abpro Holdings, Inc. Files 8-K — 8-K · Nov 13, 2024 Risk: low
  Abpro Holdings, Inc. filed an 8-K on November 13, 2024, reporting a name change from Atlantic Coastal Acquisition Corp. II to Abpro Holdings, Inc. on November 1
• Atlantic Coastal Acquisition Corp. II Files 8-K — 8-K · Nov 8, 2024 Risk: low
  Atlantic Coastal Acquisition Corp. II filed an 8-K on November 7, 2024, reporting on the submission of matters to a vote of security holders and financial state
• Atlantic Coastal Acquisition Corp. II Files 8-K — 8-K · Nov 6, 2024 Risk: low
  Atlantic Coastal Acquisition Corp. II filed an 8-K on November 6, 2024, reporting an entry into a material definitive agreement and financial statements. The fi
• Atlantic Coastal Acquisition Corp. II Files 8-K — 8-K · Nov 4, 2024 Risk: medium
  Atlantic Coastal Acquisition Corp. II (ACII) entered into a material definitive agreement on October 30, 2024, related to the creation of a direct financial obl
• ACAB Faces Nasdaq Delisting Notice — 8-K · Oct 21, 2024 Risk: high
  Atlantic Coastal Acquisition Corp. II (ACAB) announced on October 16, 2024, that it received a notice from the Nasdaq Stock Market indicating a failure to meet
• Atlantic Coastal Acquisition Corp. II Files 8-K — 8-K · Oct 15, 2024 Risk: low
  Atlantic Coastal Acquisition Corp. II filed an 8-K on October 15, 2024, reporting on financial statements and exhibits. The company, incorporated in Delaware, i
• Atlantic Coastal Acquisition Corp. II Files 8-K — 8-K · Sep 20, 2024 Risk: low
  Atlantic Coastal Acquisition Corp. II filed an 8-K on September 19, 2024, reporting on matters submitted to a vote of security holders and amendments to its art
• Atlantic Coastal Acquisition Corp. II Files DEFA14A Proxy — DEFA14A · Sep 16, 2024 Risk: low
  Atlantic Coastal Acquisition Corp. II (ACQ) has filed a Definitive Additional Materials proxy statement (DEFA14A) on September 16, 2024. This filing supplements
• Atlantic Coastal Acquisition Corp. II Files Supplemental Proxy Materials — DEFA14A · Sep 13, 2024 Risk: low
  Atlantic Coastal Acquisition Corp. II filed a DEFA14A, indicating it is providing supplemental proxy materials. The filing is related to a meeting or vote where
• Atlantic Coastal Acquisition Corp. II Files Supplemental Proxy — DEFA14A · Sep 10, 2024 Risk: low
  Atlantic Coastal Acquisition Corp. II is filing a supplemental proxy statement regarding a special meeting. The filing indicates no fee was required for this su
• ACAB Files 8-K: Material Agreement and Equity Sales — 8-K · Sep 4, 2024 Risk: medium
  Atlantic Coastal Acquisition Corp. II (ACAB) announced on September 4, 2024, that it entered into a material definitive agreement. The company also disclosed un

Risk Profile

Risk Assessment: Of ABPWW's 48 recent filings, 11 were flagged as high-risk, 13 as medium-risk, and 24 as low-risk. The overall risk profile suggests relatively low risk with generally favorable filings.

Financial Highlights

Key financial metrics from Abpro Holdings, INC.'s most recent 10-Q filing (Nov 14, 2025):

• Revenue: $0
• Net Income: -$8,528,000
• EPS: N/A
• Debt-to-Equity: N/A
• Cash Position: $328,000
• Operating Margin: N/A
• Total Assets: $1,703,000
• Total Debt: $17,298,000

Key Executives

• Miles Suk
• Jonathan H. Talcott
• E. Peter Strand
• Michael K. Bradshaw, Jr.
• Ian Chan
• Anthony D. Eisenberg
• Ian McDonald
• Robert Markelewicz

Industry Context

Abpro Holdings operates in the biotechnology sector, focusing on developing novel antibody-based therapeutics. This industry is characterized by high research and development costs, long development cycles, and significant regulatory hurdles. The competitive landscape includes numerous established pharmaceutical companies and emerging biotech firms, all vying for market share and investor capital. Trends include a focus on targeted therapies, advancements in antibody engineering, and strategic partnerships to fund clinical trials and commercialization.

Top Tags

Biotechnology (7) · corporate-action (7) · filing (5) · delisting (5) · proxy-statement (5) · sec-filing (4) · 8-k (4) · Reverse Stock Split (4) · financials (4) · listing-standards (4)

Executive Compensation

From the most recent DEF 14A filing (Sep 8, 2025):

• Miles Suk — Chief Executive Officer and Chairman of the Board
• Ian Chan — former Chief Executive Officer
• Robert Markelewicz — Chief Medical Officer
• Christian Zapf — former Senior Vice President Corporate Development and former General Counsel

Key Numbers

• shares of Common Stock: 9,775,017 — registered for resale by YA II PN, Ltd.
• aggregate gross proceeds: $50,000,000 — Abpro may receive from sales to YA under the SEPA
• closing price of Common Stock: $6.81 — on November 26, 2025
• closing price of Public Warrants: $0.0133 — on November 26, 2025
• reverse stock split ratio: 1-for-30 — effected on October 31, 2025
• date of stockholder approval: April 8, 2025 — for issuing more than 20% of outstanding Common Stock
• Net Loss: $8.528M — Increased significantly for the nine months ended September 30, 2025, from $3.897M in 2024.
• Research and Development Services Revenue: $0 — Dropped to zero for the three and nine months ended September 30, 2025, from $183K in 2024.
• Cash: $328K — Decreased from $2.85M at December 31, 2024, indicating severe liquidity issues.
• Accumulated Deficit: $124.631M — Increased from $116.103M at December 31, 2024, reflecting ongoing losses.
• Reverse Stock Split Ratio: 1-for-30 — Implemented effective October 31, 2025, to address Nasdaq minimum bid price deficiency.
• Nasdaq Minimum Bid Price: $1.00 — Abpro failed to comply with this requirement for continued listing.
• Nasdaq Minimum MVPHS: $15M — Abpro failed to comply with this requirement for continued listing.
• Nasdaq Minimum MVLS: $50M — Abpro failed to comply with this requirement for continued listing.
• Shares of Common Stock Outstanding: 2,716,278 — As of November 14, 2025, after the reverse stock split.

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