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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
768408	Cyanotech Corp	CYAN	Medicinal Chemicals & Botanical Products (2833)	911206026

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1201156	/ A Michael Davis	Cyanotech Corporation 73-4460 Queen Kaahumanu Hwy #102 Kailua-Kona HI 96740		Yes	No	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Cyanotech Corporation Common Stock	Acquisiton	2021-11-30	18,000	$3.51	58,000	No	4	P	Indirect	By self as trustee for Nettizanne Johnstone Davis GST Exempt Trust
Cyanotech Corporation Common Stock	Acquisiton	2021-11-30	18,000	$3.51	58,789	No	4	P	Indirect	By self as trustee for Nyracai Johnstone Davis GST Exempt Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	By self as trustee for Nettizanne Johnstone Davis GST Exempt Trust
No	4	P	Indirect	By self as trustee for Nyracai Johnstone Davis GST Exempt Trust

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Cyanotech Corporation Common Stock	12,119	Direct
Cyanotech Corporation Common Stock	31,250	Indirect	By Spouse
Cyanotech Corporation Common Stock	150,000	Indirect	By self as co-trustee for the Nyracai Davis Irr. Trust and the Nettizanne J. Davis Irr. Trust
Cyanotech Corporation Common Stock	487,574	Indirect	By self as trustee of the Michael Arlen Davis Revocable Trust
Cyanotech Corporation Common Stock	424,621	Indirect	By self as director of Skywords Family Foundation Inc.

Footnotes

The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $3.43 to $3.55, inclusive. The reporting person undertakes to provide to Cyanotech Corporation, any security holder of Cyanotech Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and footnote 2.
The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $3.42 to $3.55, inclusive.
Skywords is a 501(c)(3) charitable foundation, of which the Reporting Person and his spouse serve as the two directors. The Reporting Person should not be deemed to be a beneficial owner of the shares held by Skywords under Rule 16a-2, however, the shares held by Skywords are included here for purposes of complete disclosure and in light of such shares having been previously disclosed on previous Forms 4 filed by the Reporting Person.