Abpro Holdings, Inc. SEC filings ABPO
Abpro Holdings, Inc. has 253 filings in SEC EDGAR's recent list, going back to Dec 2, 2021. Its latest annual report, Form 10-K, was filed on Apr 15, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 1, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEFA14A | Additional proxy material | Oct 6, 2025 | — |
| DEFA14A | Additional proxy material | Sep 18, 2025 | — |
| DEFA14A | Additional proxy material | Sep 16, 2025 | — |
| DEF 14A | Proxy statement | Sep 8, 2025 | Sep 18, 2025 |
| PRE 14A | Preliminary proxy statement | Aug 29, 2025 | Aug 29, 2025 |
| DEF 14A | Proxy statement | Apr 29, 2025 | May 20, 2025 |
| DEF 14A | Proxy statement | Mar 24, 2025 | Apr 8, 2025 |
| PRE 14A | Preliminary proxy statement | Mar 13, 2025 | Mar 13, 2025 |
| DEFA14A | Additional proxy material | Sep 16, 2024 | — |
| DEFA14A | Additional proxy material | Sep 13, 2024 | — |
| DEFA14A | Additional proxy material | Sep 10, 2024 | — |
| DEF 14A | Proxy statement | Sep 4, 2024 | Sep 16, 2024 |
| PRE 14A | Preliminary proxy statement | Aug 20, 2024 | Sep 16, 2024 |
| DEFA14A | Additional proxy material | Dec 14, 2023 | — |
| DEFA14A | Additional proxy material | Dec 12, 2023 | — |
| DEF 14A | Proxy statement | Dec 1, 2023 | Dec 15, 2023 |
| PRE 14A | Preliminary proxy statement | Nov 3, 2023 | Dec 5, 2023 |
| DEFA14A | Additional proxy material | Apr 12, 2023 | — |
| DEFA14A | Additional proxy material | Apr 5, 2023 | — |
| DEFA14A | Additional proxy material | Mar 22, 2023 | — |
| DEF 14A | Proxy statement | Mar 20, 2023 | Apr 12, 2023 |
| PRE 14A | Preliminary proxy statement | Feb 23, 2023 | Feb 23, 2023 |
Showing 22 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- ABPO (OTC), ABPWW (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- New York, NY
- SEC filer status
- Non-accelerated filer, Smaller reporting company, Emerging growth company
- SEC CIK
- 1893219
- Former names
- Atlantic Coastal Acquisition Corp. II (until Nov 12, 2024)
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.