Cluster Group Holdings Ltd Co SEC filings CLUS
Cluster Group Holdings Ltd Co has 181 filings in SEC EDGAR's recent list, going back to Jan 9, 2006. Its latest annual report, Form 10-K, was filed on Jun 12, 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 May 29, 2018 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| NT 10-Q | Request for extension | May 15, 2026 | Mar 31, 2026 |
| NT 10-K | Extension | Mar 31, 2026 | Dec 31, 2025 |
| NT 10-Q | Extension | May 15, 2025 | Mar 31, 2025 |
| NT 10-K | Extension | Mar 31, 2025 | Dec 31, 2024 |
| NT 10-Q | Filing | Nov 15, 2024 | Sep 30, 2024 |
| UPLOAD | Letter from the SEC | Nov 6, 2024 | — |
| CORRESP | Letter to the SEC | Oct 31, 2024 | — |
| 10-12G/A | Amendment no 2 | Oct 31, 2024 | — |
| UPLOAD | Letter from the SEC | Oct 31, 2024 | — |
| CORRESP | Letter to the SEC | Oct 16, 2024 | — |
| 10-12G/A | Filing | Oct 16, 2024 | — |
| UPLOAD | Letter from the SEC | Sep 24, 2024 | — |
| 10-12G | Filing | Aug 27, 2024 | — |
| 15-15D | Filing | Nov 6, 2020 | — |
| NT 10-Q | Notification of late filing | Aug 14, 2018 | Jun 30, 2018 |
| NT 10-Q | Notification of late filing | May 17, 2018 | Mar 31, 2018 |
| NT 10-Q | Notification of late filing | Nov 15, 2017 | Sep 30, 2017 |
| NT 10-Q | Notification of late filing | Aug 14, 2017 | Jun 30, 2017 |
| NT 10-Q | Notification of late filing | May 15, 2017 | Mar 31, 2017 |
| NT 10-K | Notification of late filing | Mar 31, 2015 | Dec 31, 2014 |
| NT 10-Q | Notification of late filing | Nov 17, 2014 | Sep 30, 2014 |
| NT 10-Q | Form nt 10-q | May 16, 2014 | Mar 31, 2014 |
| NT 10-K | Form nt 10-k | Apr 1, 2014 | Dec 31, 2013 |
| NT 10-Q | Form nt 10-q | Nov 15, 2013 | Sep 30, 2013 |
| NT 10-Q | Form nt 10-q | Aug 15, 2013 | Jun 30, 2013 |
| NT 10-Q | Filing | May 16, 2013 | Mar 31, 2013 |
| NT 10-K | Filing | Apr 1, 2013 | Dec 31, 2012 |
| NT 10-K | Extension of the 2011 annual report | Mar 30, 2012 | Dec 31, 2011 |
| NT 10-K | Extension form 10k 12/31/10 | Apr 1, 2011 | Dec 31, 2010 |
| NT 10-Q | Quarterly extension | Nov 16, 2010 | Sep 30, 2010 |
| NT 10-Q | Extension to quarterly report | May 18, 2010 | Mar 31, 2010 |
| NT 10-K | Form 10k extension | Mar 31, 2010 | Dec 31, 2009 |
| NT 10-Q | Quarterly extension for the period ending 03/08 | May 16, 2008 | Mar 31, 2008 |
| 10KSB | 2007 annual year end report | Mar 31, 2008 | Dec 31, 2007 |
| EFFECT | Filing | Feb 4, 2008 | — |
| CORRESP | Letter to the SEC | Jan 31, 2008 | — |
| SB-2/A | Amendment no. 8 to registration statement | Jan 31, 2008 | — |
| SB-2/A | Amendment no. 7 to registration statement | Jan 28, 2008 | — |
| UPLOAD | Letter from the SEC | Jan 24, 2008 | — |
| SB-2/A | Amendment no. 6 to registration statement | Jan 18, 2008 | — |
| CORRESP | Letter to the SEC | Jan 14, 2008 | — |
| CORRESP | Letter to the SEC | Jan 14, 2008 | — |
| SB-2/A | Amendment no. 5 to registration statement | Jan 14, 2008 | — |
| SB-2/A | Amendment no. 4 to registration statement | Jan 8, 2008 | — |
| UPLOAD | Letter from the SEC | Jan 4, 2008 | — |
| SB-2/A | Amendment no. 3 to registration statement | Dec 28, 2007 | — |
| UPLOAD | Letter from the SEC | Dec 18, 2007 | — |
| SB-2/A | Amendment no. 2 to registration statement | Dec 7, 2007 | — |
| UPLOAD | Letter from the SEC | Nov 23, 2007 | — |
| 10QSB | Quarterly report for the period ending 09/07 | Nov 15, 2007 | Sep 30, 2007 |
| NT 10-Q | Quarterly extension for the period ending 09/07 | Nov 14, 2007 | Sep 30, 2007 |
| SB-2/A | Amendment no. 1 to registration statement | Nov 13, 2007 | — |
| UPLOAD | Letter from the SEC | Oct 5, 2007 | — |
| SB-2 | Registration statement | Sep 4, 2007 | — |
| REGDEX | Auto-generated paper document | Aug 28, 2007 | — |
| 10QSB | Quarterly report for the period ending 06/07 | Aug 20, 2007 | Jun 30, 2007 |
| NT 10-Q | Form 10-qsb extension for the period ending 06/07 | Aug 14, 2007 | Jun 30, 2007 |
| 10QSB | Quarterly report for the period ending 03/07 | May 21, 2007 | Mar 31, 2007 |
| NT 10-Q | Quarterly extension for period ending 03/07 | May 15, 2007 | Mar 31, 2007 |
| 10KSB | 2006 annual year end report | Apr 16, 2007 | Dec 31, 2006 |
| CORRESP | Letter to the SEC | Apr 12, 2007 | — |
| UPLOAD | Letter from the SEC | Apr 9, 2007 | — |
| NT 10-K | 2006 annual year end report extension | Apr 2, 2007 | Dec 31, 2006 |
| 10QSB | Filing | Oct 31, 2006 | Sep 30, 2006 |
| EFFECT | Filing | Aug 29, 2006 | — |
| 10QSB | Filing | Aug 14, 2006 | Jun 30, 2006 |
| 424A | Filing | May 17, 2006 | — |
| 424A | Filing | May 15, 2006 | — |
| SB-2/A | Filing | Apr 21, 2006 | — |
| UPLOAD | Letter from the SEC | Apr 19, 2006 | — |
| SB-2/A | Filing | Apr 17, 2006 | — |
| SB-2/A | Filing | Apr 14, 2006 | — |
| UPLOAD | Letter from the SEC | Apr 12, 2006 | — |
| SB-2/A | Filing | Apr 6, 2006 | — |
| UPLOAD | Letter from the SEC | Apr 3, 2006 | — |
| SB-2/A | Filing | Mar 24, 2006 | — |
| UPLOAD | Letter from the SEC | Mar 20, 2006 | — |
| SB-2/A | Filing | Mar 14, 2006 | — |
| UPLOAD | Letter from the SEC | Mar 3, 2006 | — |
| SB-2/A | Filing | Feb 16, 2006 | — |
| UPLOAD | Letter from the SEC | Feb 1, 2006 | — |
| SB-2 | Registration statement on form sb-2 | Jan 9, 2006 | — |
Showing 82 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Communications Services, NEC (SIC 4899)
- Listed as
- CLUS (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- FL
- Headquarters
- Shanghai
- SEC filer status
- Non-accelerated filer, Smaller reporting company, Emerging growth company
- SEC CIK
- 1346287
- Former names
- China Teletech Holding Inc (until Nov 15, 2024); GuangZhou Global Telecom, Inc. (until Dec 30, 2011); Guangzhou Global Telecom, Inc. (until Dec 30, 2011); AVALON DEVELOPMENT ENTERPRISES, INC. (until Jan 9, 2007)
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- Globalstar, Inc. GSAT
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- Iridium Communications Inc. IRDM
- Calix, Inc CALX
- Telesat Corp TSAT
- Spire Global, Inc. SPIR
Source: SEC EDGAR filings. This is company-reported data, not investment advice.