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CYANOTECH CORP

For the period ended Mar 31, 2025. Filed Jun 20, 2025.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Jun 20, 2025

CYAN$0.520.0%Stored close · as of Jul 8, 2026

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Signatures

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on the 20 day of June, 2025.

CYANOTECH CORPORATION
By:/s/ Matthew K. Custer
Matthew K. Custer
President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

SignaturesTitleDate
/s/ Matthew K. CusterPresident and Chief Executive OfficerJune 20, 2025
Matthew K. Custer(Principal Executive Officer)
/s/ Jennifer C. RogersonChief Financial Officer, Vice President—Finance andJune 20, 2025
Jennifer C. RogersonAdministration, and Treasurer (Principal Financial Officer)
/s/ Michael A. DavisChairman of the BoardJune 20, 2025
Michael A. Davis
/s/ David M. MulderDirectorJune 20, 2025
David M. Mulder
/s/ David L. ViedDirectorJune 20, 2025
David L. Vied
Exhibit NumberDocument Description
3.1Restated Articles of Incorporation (Incorporated by reference to Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q, filed November 9, 2012, File No. 0-14602)
3.2Amended and Restated Bylaws (Incorporated by reference to Exhibit 3.2 to the Company’s Report on Form 8-K filed January 13, 2010, File No. 0-14602)
4.1Specimen Common Stock (Incorporated by reference to Exhibit 4.1 to the Company’s Annual Report on Form 10-K for the year ended March 31, 2007, File No. 0-14602)
4.2Description of the Registrant’s Securities (Incorporated by reference to Exhibit 4.2 to the Company’s Annual Report on Form 10-K for the year ended March 31, 2023, File No. 0-14602)
10.1Sub-Lease Agreement between the Company and Natural Energy Laboratory of Hawaii Authority dated December 29, 1995 (Incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-QSB for the quarter ended December 31, 1995)
10.2Supplemental Agreement effective February 1, 2012 to amend the Sub-Lease Agreement described in Exhibit 10.1 herein, (Incorporated by reference to Exhibit 10. 1 to the Company’s Current Report on Form 8-K dated March 9, 2012).
10.3Term Loan Agreement between Pacific Rim Bank (“Pacific Rim”) and both the Company and Nutrex Hawaii, Inc. (“Nutrex”); Promissory Notes in favor of Pacific Rim in the amounts of $2,250,000 and $3,250,000, issued by the Company and Nutrex, dated September 7, 2012; Mortgage, Security Agreement and Financing Statement between the Company and Pacific Rim; Assignment of Lessor’s Interest in Leases and Rents between the Company and Pacific Rim; Security Agreement and UCC Financing Statement between the Company and Pacific Rim; United States Department of Agriculture Rural Development (“USDA”) Conditional Commitments; Hazardous Substances Certificate and Indemnity Agreement; Assignment of Construction Contract between the Company and No’Eau Construction LLC; Sublessor’s Consent to Mortgage of Sublease K-4; Estoppel Certificate and Subordination Agreement, given by the Natural Energy Laboratory of Hawaii Authority, State of Hawaii, as Sublessor; Security Agreement and UCC Financing Statement between Nutrex and Pacific Rim. (Incorporated by reference as Exhibit 4.1 to the Company’s Report on Form 10-Q filed on November 9, 2012)
10.4Term Loan Agreement between First Foundation Bank (“First Foundation”) and both the Company and Nutrex; Promissory Note in favor of First Foundation in the amount of $2,500,000, issued by the Company and Nutrex, dated July 30, 2015; Mortgage, Security Agreement and Financing Statement between the Company and First Foundation; Assignment of Lessor’s Interest in Leases and Rents between the Company and First Foundation; Security Agreement and UCC Financing Statement between the Company and First Foundation; Security Agreement and UCC Financing Statement between Nutrex and First Foundation; USDA Conditional Commitments; Hazardous Substances Certificate and Indemnity Agreement; Sublessor’s Consent to Mortgage of Sublease K-4; Estoppel Certificate and Subordination Agreement. (Incorporated by reference as Exhibits 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8, 4.9 to the Company’s Report on Form 10-Q filed on November 12, 2015)
10.52014 Independent Director Stock Option and Restricted Stock Grant Plan (Incorporated by reference to the Company’s Definitive Proxy Statement filed July 18, 2014)
10.62014 Independent Director Stock Option and Restricted Stock Grant Plan and Amendment (Incorporated by reference to the Company’s Definitive Proxy Statement filed on July 15, 2021)
10.72016 Equity Incentive Plan (Incorporated by reference to the Company’s Definitive Proxy Statement filed July 15, 2016)
10.8Revolving Credit Agreement, by and between First Foundation Bank and the Company, dated June 3, 2016. (Incorporated by reference as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed September 1, 2016).
10.9Supplemental Agreement No. 1 to Modify Sublease No. K-26, by and among Cellana LLC, the Natural Energy Laboratory of Hawaii Authority, and the Company, effective as of October 1, 2018 (Incorporated by reference as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed December 7, 2018)
10.10Sublease No. K-26, by and between the Natural Energy Laboratory of Hawaii Authority and Cellana LLC (assigned to the Company), effective as of October 1, 2018 (Incorporated by reference as Exhibit 10.2 to the Company’s Current Report on Form 8-K filed December 7, 2018)
10.11Promissory Note by and between Skywords Family Foundation, Inc. and Cyanotech Corporation, dated April 12, 2019 (Incorporated by reference as Exhibit 10.1 to the Company's Current Report on Form 8-K filed April 12, 2019)
10.12Executive Employment Agreement, dated as of September 28, 2020, by and between Felicia Ladin and Cyanotech Corporation (Incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on October 1, 2020).
10.13Amended and Restated Promissory Note, dated April 12, 2021, by and between Skywords Family Foundation, Inc. and Cyanotech Corporation (Incorporated by reference as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed April 16, 2021).
10.14Intercreditor and Subordination Agreement, dated April 12, 2021, by and between First Foundation Bank, Skywords Family Foundation, Inc. and Cyanotech Corporation (Incorporated by reference as Exhibit 10.2 to the Company’s Current Report on Form 8-K file April 16, 2021).
10.15Executive Employment Agreement, dated as of June 16, 2022, by and between Matthew K. Custer and Cyanotech Corporation (Incorporated by reference as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on June 22, 2022)
10.16First Amendment to Amended and Restated Promissory Note, dated December 14, 2022, by and between Skywords Family Foundation, Inc. and Cyanotech Corporation (Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on December 19, 2022)
10.17Subscription Agreement, dated December 15, 2023, by and between The Michael Arlen Davis Revocable Trust and Cyanotech Corporation (Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on December 19, 2023)
10.18Clawback Policy (Effective October 2, 2023) (Incorporated by reference to Exhibit 10.21 to the Company’s Annual Report on Form 10-K for fiscal year ended March 31, 2024, filed on June 26, 2024)
10.19Second Agreement to Amended and Restated Promissory Note, dated August 14, 2023, by and between Skywords Family Foundation, Inc. and Cyanotech Corporation (Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed August 17, 2023)
10.20Third Agreement to Amended and Restated Promissory Note, dated August 9, 2024, by and between Skywords Family Foundation, Inc. and Cyanotech Corporation (Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed August 13, 2024)
10.212024 Independent Director Stock Option and Restricted Stock Grant Plan (Incorporated by reference to the Company’s Definitive Proxy Statement filed on July 11, 2024)
19.1Insider Trading Policy (Adopted August 29, 2011, Updated Effective December 1, 2023) (Incorporated by reference to Exhibit 10.20 to the Company’s Annual Report on Form 10-K for fiscal year ended March 31, 2024, filed on June 26, 2024)
21.1Subsidiaries of the Company (Incorporated by reference to Exhibit 21.1 to the Company’s Annual Report on Form 10-K for the year ended March 31, 2012)
23.1*Consent of Independent Registered Public Accounting Firm
23.2*Consent of Independent Registered Public Accounting Firm
31.1*Certifications of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 signed as of June 20, 2025
31.2*Certifications of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 signed as of June 20, 2025
32.1*Certifications of Chief Executive Officer and Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 signed as of June 20, 2025
99.1*Press Release dated June 20, 2025
101The following financial information from our Annual Report on Form 10-K for fiscal year ended March 31, 2025, filed with the SEC on June 20 2025, formatted in iXBRL (Inline eXtensible Business Reporting Language): (i) the Consolidated Balance Sheets at March 31, 2025 and 2024, (ii) the Consolidated Statements of Operations for the fiscal years ended March 31, 2025 and 2024, (iii) the Consolidated Statements of Stockholders’ Equity for the fiscal years ended March 31, 2025 and 2024, (iv) the Consolidated Statements of Cash Flows for the fiscal years ended March 31, 2025 and 2024, and (v) Notes to Consolidated Financial Statements.
104Cover Page Interactive Data File (Formatted as Inline XBRL and contained in Exhibit 101)
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