Abpro Holdings, Inc. SEC filings ABPWW
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 |
|---|---|---|---|
| S-1/A | Amended registration statement | Nov 28, 2025 | — |
| 424B3 | Prospectus | Nov 17, 2025 | — |
| S-1 | Registration statement | Nov 7, 2025 | — |
| 424B3 | Prospectus | Aug 13, 2025 | — |
| S-8 | Employee stock plan registration | Jun 18, 2025 | — |
| 424B3 | Prospectus | Jun 12, 2025 | — |
| S-1/A | Amended registration statement | Jun 6, 2025 | — |
| S-1 | Registration statement | May 22, 2025 | — |
| 424B3 | Prospectus | May 15, 2025 | — |
| POS AM | Post-effective amendment no. 1 to form s-1 | May 1, 2025 | — |
| 424B3 | Prospectus | Apr 23, 2025 | — |
| 424B3 | Prospectus | Feb 12, 2025 | — |
| S-1/A | Amended registration statement | Feb 7, 2025 | — |
| S-1 | Registration statement | Dec 23, 2024 | — |
| 424B3 | Prospectus | Oct 18, 2024 | — |
| S-4/A | Filing | Oct 17, 2024 | — |
| S-4/A | Filing | Oct 9, 2024 | — |
| S-4/A | Filing | Sep 6, 2024 | — |
| S-4/A | Filing | Apr 30, 2024 | — |
| S-4/A | Filing | Apr 2, 2024 | — |
| S-4 | Registration for a merger or exchange | Jan 19, 2024 | — |
| 424B4 | Prospectus | Jan 18, 2022 | — |
| S-1MEF | Filing | Jan 13, 2022 | — |
| S-1/A | Amended registration statement | Jan 6, 2022 | — |
| S-1/A | Amended registration statement | Dec 20, 2021 | — |
| S-1 | Registration statement | Dec 2, 2021 | — |
Showing 26 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.