Cyanotech Corp SEC filings CYAN
Cyanotech Corp has 870 filings in SEC EDGAR's recent list, going back to Sep 8, 1995. Its latest annual report, Form ARS, was filed on Jul 10, 2025 for the period ended Mar 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 10, 2025, covering the quarter ended Sep 30, 2025. The most recent current report (Form 8-K) was filed on Sep 2, 2025 (material agreement, new debt). The company's fiscal year ends on March 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Material agreement, New debt
|
Sep 2, 2025 | Aug 29, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Aug 22, 2025 | Aug 21, 2025 |
| 8-K |
Current report
Material agreement, New debt, Officer or director change
|
May 8, 2025 | May 2, 2025 |
| 8-K |
Current report
Auditor change
|
Dec 16, 2024 | Dec 10, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Aug 23, 2024 | Aug 22, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 13, 2024 | Aug 9, 2024 |
| 8-K |
Current report
Listing notice
|
Feb 14, 2024 | Feb 8, 2024 |
| 8-K |
Current report
Unregistered share sale
|
Dec 19, 2023 | Dec 15, 2023 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Aug 29, 2023 | Aug 24, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 17, 2023 | Aug 14, 2023 |
| 8-K |
Current report
Listing notice
|
Aug 11, 2023 | Aug 10, 2023 |
| 8-K |
Current report
Other events
|
Jul 5, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Other events
|
Jun 16, 2023 | Jun 15, 2023 |
| 8-K |
Current report
Listing notice
|
May 8, 2023 | May 2, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 19, 2022 | Dec 14, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Aug 30, 2022 | Aug 25, 2022 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Jun 22, 2022 | Jun 16, 2022 |
| 8-K |
Current report
Officer or director change
|
Nov 10, 2021 | Nov 8, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Aug 31, 2021 | Aug 26, 2021 |
| 8-K |
Current report
Officer or director change
|
May 25, 2021 | May 20, 2021 |
| 8-K |
Current report
Material agreement, New debt
|
Apr 16, 2021 | Apr 12, 2021 |
| 8-K |
Current report
Officer or director change
|
Oct 1, 2020 | Sep 25, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Aug 31, 2020 | Aug 27, 2020 |
| 8-K |
Current report
Material agreement, New debt
|
May 11, 2020 | May 5, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Aug 27, 2019 | Aug 22, 2019 |
| 8-K |
Current report
Material agreement, Agreement ended, Officer or director change
|
Jun 7, 2019 | Jun 3, 2019 |
| 8-K |
Current report
Officer or director change
|
Apr 26, 2019 | Apr 26, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Apr 12, 2019 | Apr 12, 2019 |
| 8-K |
Current report
Officer or director change, Other events
|
Jan 9, 2019 | Jan 3, 2019 |
| 8-K |
Current report
Material agreement
|
Dec 7, 2018 | Nov 30, 2018 |
| 8-K |
Current report
Officer or director change
|
Nov 6, 2018 | Nov 6, 2018 |
| 8-K |
Current report
Other events
|
Sep 7, 2018 | Aug 31, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Aug 29, 2018 | Aug 27, 2018 |
| 8-K |
Current report
Other events
|
Apr 13, 2018 | Apr 13, 2018 |
| 8-K |
Current report
Material agreement, Officer or director change, Other events
|
Jan 25, 2018 | Jan 24, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Aug 25, 2017 | Aug 24, 2017 |
| 8-K |
Current report
Material agreement, Officer or director change, Other events
|
Jul 17, 2017 | Jul 14, 2017 |
| 8-K |
Current report
Material agreement
|
Apr 11, 2017 | Apr 6, 2017 |
| 8-K |
Current report
Material agreement
|
Mar 15, 2017 | Mar 13, 2017 |
| 8-K |
Current report
Other events
|
Feb 16, 2017 | Feb 13, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Dec 19, 2016 | Dec 15, 2016 |
| 8-K |
Current report
Officer or director change
|
Oct 25, 2016 | Oct 19, 2016 |
| 8-K |
Current report
Other events
|
Sep 9, 2016 | Sep 2, 2016 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 1, 2016 | Aug 30, 2016 |
| 8-K |
Current report
Shareholder vote results
|
Aug 29, 2016 | Aug 25, 2016 |
| 8-K |
Current report
Other events
|
Jun 8, 2016 | May 6, 2016 |
| 8-K |
Current report
Officer or director change, Other events
|
May 23, 2016 | May 17, 2016 |
| 8-K |
Current report
Other events
|
Apr 12, 2016 | Apr 12, 2016 |
| 8-K |
Current report
Material agreement, Agreement ended, Officer or director change, Other events
|
Apr 4, 2016 | Mar 31, 2016 |
| 8-K |
Current report
Shareholder vote results
|
Oct 19, 2015 | Oct 15, 2015 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 26, 2015 | Aug 20, 2015 |
| 8-K |
Current report
Officer or director change
|
Jan 28, 2015 | Jan 27, 2015 |
| 8-K |
Current report
Other events
|
Dec 19, 2014 | Dec 17, 2014 |
| 8-K |
Current report
Shareholder vote results
|
Sep 2, 2014 | Aug 28, 2014 |
| 8-K |
Current report
Officer or director change
|
Aug 18, 2014 | Aug 6, 2014 |
| 8-K |
Current report
Other events
|
Apr 9, 2014 | Mar 3, 2014 |
| 8-K |
Current report
Shareholder vote results
|
Sep 4, 2013 | Aug 29, 2013 |
| 8-K |
Current report
Other events
|
Aug 26, 2013 | Jun 30, 2013 |
| 8-K |
Current report
Other events
|
Jun 26, 2013 | Mar 31, 2013 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 13, 2012 | Sep 7, 2012 |
| 8-K |
Current report
Shareholder vote results
|
Aug 31, 2012 | Aug 27, 2012 |
| 8-K |
Current report
Material agreement
|
Mar 14, 2012 | Mar 9, 2012 |
| 8-K |
Current report
Officer or director change
|
Oct 18, 2011 | Oct 12, 2011 |
| 8-K |
Current report
Shareholder vote results
|
Sep 2, 2011 | Aug 29, 2011 |
| 8-K |
Current report
Officer or director change
|
Aug 17, 2011 | Aug 17, 2011 |
| 8-K |
Current report
Officer or director change
|
Jun 8, 2011 | Jun 8, 2011 |
| 8-K |
Current report
Officer or director change
|
Jan 28, 2011 | Jan 26, 2011 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Nov 9, 2010 | Nov 5, 2010 |
| 8-K |
Current report
Listing notice, Officer or director change
|
Nov 1, 2010 | Oct 26, 2010 |
| 8-K |
Current report
Shareholder vote results
|
Sep 3, 2010 | Sep 1, 2010 |
| 8-K |
Current report
Officer or director change
|
Apr 5, 2010 | Mar 31, 2010 |
| 8-K/A |
Amended current report
Listing notice, Officer or director change
|
Mar 12, 2010 | Feb 27, 2010 |
| 8-K |
Current report
Officer or director change
|
Mar 1, 2010 | Feb 27, 2010 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jan 13, 2010 | Jan 7, 2010 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Apr 21, 2009 | Apr 20, 2009 |
| 8-K |
Current report
Officer or director change
|
Nov 5, 2008 | Oct 31, 2008 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 15, 2008 | Aug 15, 2008 |
| 8-K |
Current report
Auditor change
|
Jul 16, 2008 | Jul 10, 2008 |
| 8-K |
Current report
Officer or director change
|
May 22, 2008 | May 16, 2008 |
| 8-K |
Current report
Other events
|
Mar 31, 2008 | Mar 26, 2008 |
| 8-K |
Current report
New debt
|
Feb 22, 2008 | Feb 19, 2008 |
| 8-K |
Current report
Other events
|
Dec 21, 2007 | Dec 20, 2007 |
| 8-K |
Current report
Other events
|
Dec 12, 2007 | Dec 12, 2007 |
| 8-K |
Current report
Other events
|
Nov 16, 2007 | Nov 13, 2007 |
| 8-K |
Current report
Listing notice
|
Oct 9, 2007 | Oct 3, 2007 |
| 8-K |
Current report
Other events
|
Sep 28, 2007 | Sep 24, 2007 |
| 8-K |
Current report
Listing notice, Other events
|
Aug 20, 2007 | Aug 15, 2007 |
| 8-K |
Current report
Listing notice
|
Jul 20, 2007 | Jul 16, 2007 |
| 8-K |
Current report
Change to shareholder rights
|
Apr 2, 2007 | Aug 16, 2004 |
| 8-K |
Current report
Listing notice, Bylaw or fiscal year change, Other events
|
Mar 20, 2007 | Mar 16, 2007 |
| 8-K/A | Amended current report | Feb 27, 2007 | Feb 21, 2007 |
| 8-K |
Current report
Listing notice, Other events
|
Feb 27, 2007 | Feb 21, 2007 |
| 8-K |
Current report
Other events
|
Dec 20, 2006 | Dec 18, 2006 |
| 8-K |
Current report
Results of operations, Restatement
|
Dec 1, 2006 | Nov 28, 2006 |
| 8-K |
Current report
Listing notice
|
Nov 20, 2006 | Nov 16, 2006 |
| 8-K |
Current report
Listing notice, Change to shareholder rights, Other events
|
Nov 15, 2006 | Nov 14, 2006 |
| 8-K |
Current report
Change to shareholder rights
|
Oct 18, 2006 | Oct 16, 2006 |
| 8-K |
Current report
Change to shareholder rights, Other events
|
Sep 21, 2006 | Sep 21, 2006 |
| 8-K |
Current report
Listing notice
|
Aug 29, 2006 | Aug 24, 2006 |
| 8-K |
Current report
Listing notice
|
Aug 22, 2006 | Aug 21, 2006 |
| 8-K |
Current report
Listing notice
|
Jun 2, 2006 | May 31, 2006 |
| 8-K |
Current report
Results of operations
|
May 31, 2006 | May 24, 2006 |
| 8-K |
Current report
Results of operations
|
Feb 13, 2006 | Feb 8, 2006 |
| 8-K |
Current report
Officer or director change
|
Dec 19, 2005 | Dec 19, 2005 |
| 8-K |
Current report
Listing notice
|
Dec 6, 2005 | Dec 6, 2005 |
| 8-K | Current report | Nov 23, 2005 | Nov 21, 2005 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2005 | Nov 3, 2005 |
| 8-K |
Current report
Other events
|
Oct 31, 2005 | Oct 28, 2005 |
| 8-K | Current report | Oct 28, 2005 | Oct 24, 2005 |
| 8-K |
Current report
Other events
|
Oct 19, 2005 | Oct 19, 2005 |
| 8-K |
Current report
Results of operations
|
Aug 16, 2005 | Aug 11, 2005 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jul 13, 2005 | Jul 12, 2005 |
| 8-K |
Current report
Other events
|
Jun 8, 2005 | Jun 8, 2005 |
| 8-K |
Current report
Results of operations
|
May 18, 2005 | May 16, 2005 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 25, 2005 | Apr 13, 2005 |
| 8-K |
Current report
Results of operations
|
Jan 31, 2005 | Jan 31, 2005 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 30, 2004 | Dec 30, 2004 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 14, 2004 | Dec 14, 2004 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 10, 2004 | Dec 6, 2004 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2004 | Nov 1, 2004 |
| 8-K | Current report | Aug 20, 2004 | Aug 19, 2004 |
| 8-K | Current report | Aug 2, 2004 | Aug 2, 2004 |
| 8-K | Current report | May 11, 2004 | May 11, 2004 |
| 8-K | Current report | Apr 1, 2004 | Apr 1, 2004 |
| 8-K | Current report | Feb 2, 2004 | Feb 2, 2004 |
| 8-K | Current report | Dec 11, 2003 | Dec 11, 2003 |
| 8-K | Current report | Dec 1, 2003 | Dec 1, 2003 |
| 8-K | Current report | Nov 14, 2003 | Nov 14, 2003 |
| 8-K | Current report | Oct 30, 2003 | Oct 30, 2003 |
| 8-K | Current report | Oct 15, 2003 | Oct 14, 2003 |
| 8-K | Current report | Sep 17, 2003 | Sep 15, 2003 |
Showing 131 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
- Medicinal Chemicals & Botanical Products (SIC 2833)
- Listed as
- CYAN (OTC)
- Fiscal year ends
- March 31
- Incorporated in
- NV
- Headquarters
- Kailua Kona, HI
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 768408
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.