As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 2/10/22  Cyanotech Corp.                   10-Q       12/31/21   66:5.4M                                   RDG Filings/FA           
11/10/21  Cyanotech Corp.                   10-Q        9/30/21   66:5.5M                                   RDG Filings/FA           
 8/11/21  Cyanotech Corp.                   10-Q        6/30/21   66:4.8M                                   RDG Filings/FA           
 6/22/21  Cyanotech Corp.                   10-K        3/31/21   92:8M                                     RDG Filings/FA           
 2/11/21  Cyanotech Corp.                   10-Q       12/31/20   65:5.1M                                   RDG Filings/FA           
11/12/20  Cyanotech Corp.                   10-Q        9/30/20   65:5M                                     RDG Filings/FA           
 8/11/20  Cyanotech Corp.                   10-Q        6/30/20   66:4.5M                                   RDG Filings/FA           
 8/31/11  Cysewski Gerald R                 5          Officer²    2:37K  Cyanotech Corp.                   Toppan Merrill/FA        
 8/31/11  Cysewski Gerald R                 4          Officer²    2:39K  Cyanotech Corp.                   Toppan Merrill/FA        

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¹	Filing/Form Types:
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	5	Annual Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 5 { The Filer is an Insider² of the Issuer }.
	10-K	Annual Report — Form 10-K.
	10-Q	Quarterly Report — Form 10-Q.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.