Cysewski Gerald R - Insider Non-Derivative Transactions at CYANOTECH CORP (CYAN) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Jul 29, 2025, Cysewski Gerald R's relationship to CYANOTECH CORP (CYAN) is Other, and currently has 147,289 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other CYAN insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Cysewski Gerald R - Insider Non-Derivative Transactions of CYAN Common Stock

Cysewski Gerald R - Insider Non-Derivative Transactions at CYAN

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Jul 30, 2025	F -- (Common Stock)	592	0.41	146697
Jul 30, 2025	M -- (Common Stock)	1577	0	147289
Apr 8, 2025	F -- (Common Stock)	13	0.31	145712
Apr 8, 2025	M -- (Common Stock)	33	0	145725
Feb 19, 2025	F -- (Common Stock)	1464	0.4	145692
Feb 19, 2025	M -- (Common Stock)	3900	0	147156
Jul 30, 2024	F -- (Common Stock)	592	0.56	143256
Jul 30, 2024	M -- (Common Stock)	1576	0	143848
Apr 9, 2024	F -- (Common Stock)	13	0.4	142272
Apr 9, 2024	M -- (Common Stock)	33	0	142285
Feb 17, 2024	F -- (Common Stock)	1465	0.44	142252
Feb 17, 2024	M -- (Common Stock)	3900	0	143717
Aug 1, 2023	F -- (Common Stock)	843	0.84	139817
Aug 1, 2023	M -- (Common Stock)	2243	0	140660
Apr 7, 2023	F -- (Common Stock)	13	0.94	138417
Apr 7, 2023	M -- (Common Stock)	34	0	138430