Ambow Education Holding Ltd. SEC filings AMBO
Ambow Education Holding Ltd. has 301 filings in SEC EDGAR's recent list, going back to Jul 14, 2010. Its latest annual report, Form 10-K, was filed on Feb 13, 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 Aug 14, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 3 | Initial insider ownership | Apr 1, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 24, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 24, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 24, 2026 | Mar 18, 2026 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 3, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 10, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | May 7, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 15, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 15, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 15, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 17, 2015 | — |
| SC 13D | Ownership over 5% (active) | Sep 9, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 14, 2014 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 15, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 5, 2013 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 25, 2013 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 27, 2013 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 10, 2013 | — |
| SC 13D | Ownership over 5% (active) | Apr 23, 2013 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 25, 2013 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 15, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 8, 2013 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2013 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 8, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 6, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 5, 2012 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 19, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2012 | — |
| SC 13G | Ownership over 5% (passive) | Feb 6, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 2, 2012 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 5, 2011 | — |
| SC 13D | Ownership over 5% (active) | Nov 15, 2011 | — |
| SC 13G | Ownership over 5% (passive) | Nov 10, 2011 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 10, 2011 | — |
| SC 13G/A | Amended ownership over 5% (passive) | May 10, 2011 | — |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2011 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2011 | — |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2011 | — |
| SC 13G | Ownership over 5% (passive) | Dec 10, 2010 | — |
| SC 13D | Ownership over 5% (active) | Oct 26, 2010 | — |
| SC 13G | Ownership over 5% (passive) | Sep 8, 2010 | — |
| SC 13G | Ownership over 5% (passive) | Aug 16, 2010 | — |
| SC 13G | Ownership over 5% (passive) | Aug 13, 2010 | — |
Showing 51 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
- Services-Educational Services (SIC 8200)
- Listed as
- AMBO (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- Cayman Islands
- Headquarters
- Cupertino, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1494558
Other Services-Educational Services companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.