CYAN

Cyanotech Corp

$0.49 +0.00 (+0.00%) At close · Jul 2

Market Cap

$3.62M

7,392,243

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Date	Insider	Role	Type	Shares	Price	Value	After
2025-09-12	Miyashiro Jennifer A.S.	CFO, VP Fin & Admin, Treasurer	Award	50,000	—	—	50,000
2025-08-28	Vied David L	Director	Award	50,000	—	—	225,138
2025-08-28	DAVIS MICHAEL A /	Director, 10% Owner	Award	50,000	—	—	1,528,598
2025-08-28	MULDER DAVID M	Director	Award	50,000	—	—	203,468
2025-08-21	Miyashiro Jennifer A.S.	CFO, VP Fin & Admin, Treasurer	Other	0	—	—	0
2025-07-29	Nordin Amy Beth	VP, HR, Secretary	Convert	1,502	—	—	9,576
2025-07-29	Cysewski Gerald R	Insider	Tax	592	$0.41	$240	146,697
2025-07-29	Jensen Glenn	VP, Operations	Tax	617	$0.41	$250	27,110
2025-07-29	Cysewski Gerald R	Insider	Convert	1,577	—	—	34
2025-07-29	Nordin Amy Beth	VP, HR, Secretary	Tax	525	$0.41	$213	9,051
2025-07-29	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Convert	1,380	—	—	10,261
2025-07-29	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Tax	518	$0.41	$210	9,743
2025-07-29	Cysewski Gerald R	Insider	Convert	1,577	—	—	147,289
2025-07-29	Jensen Glenn	VP, Operations	Convert	1,642	—	—	34
2025-07-29	Custer Matthew Keith	Director, President and CEO	Convert	2,075	—	—	6,754
2025-07-29	Jensen Glenn	VP, Operations	Convert	1,642	—	—	27,727
2025-07-29	Nordin Amy Beth	VP, HR, Secretary	Convert	1,502	—	—	34
2025-07-29	Custer Matthew Keith	Director, President and CEO	Convert	2,075	—	—	64,137
2025-07-29	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Convert	1,380	—	—	34
2025-06-16	Custer Matthew Keith	Director, President and CEO	Award	150,000	—	—	150,000
2025-06-16	Custer Matthew Keith	Director, President and CEO	Award	64,103	—	—	4,679
2025-05-19	Brand Jennifer Kimberly	VP of Sales	Award	50,000	—	—	50,000
2025-05-19	Nordin Amy Beth	VP, HR, Secretary	Award	75,000	—	—	75,000
2025-05-19	Jensen Glenn	VP, Operations	Award	25,000	—	—	25,000
2025-05-12	Brand Jennifer Kimberly	VP of Sales	Other	0	—	—	0
2025-04-07	Jensen Glenn	VP, Operations	Convert	33	—	—	26,098
2025-04-07	Custer Matthew Keith	Director, President and CEO	Convert	33	—	—	4,679
2025-04-07	Cysewski Gerald R	Insider	Tax	13	$0.31	$4	145,712
2025-04-07	Kakuk Collette Nicole	Chief Strategic Comml Officer	Tax	14	$0.31	$4	4,707
2025-04-07	Kakuk Collette Nicole	Chief Strategic Comml Officer	Convert	33	—	—	34
2025-04-07	Kakuk Collette Nicole	Chief Strategic Comml Officer	Convert	33	—	—	4,721
2025-04-07	Nordin Amy Beth	VP, HR, Secretary	Tax	12	$0.31	$4	8,074
2025-04-07	Cysewski Gerald R	Insider	Convert	33	—	—	1,611
2025-04-07	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Tax	13	$0.31	$4	8,881
2025-04-07	Jensen Glenn	VP, Operations	Tax	13	$0.31	$4	26,085
2025-04-07	Custer Matthew Keith	Director, President and CEO	Convert	33	—	—	2,109
2025-04-07	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Convert	33	—	—	1,414
2025-04-07	Jensen Glenn	VP, Operations	Convert	33	—	—	1,676
2025-04-07	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Convert	33	—	—	8,894
2025-04-07	Cysewski Gerald R	Insider	Convert	33	—	—	145,725
2025-04-07	Nordin Amy Beth	VP, HR, Secretary	Convert	33	—	—	1,536
2025-04-07	Nordin Amy Beth	VP, HR, Secretary	Convert	33	—	—	8,086
2025-02-18	Kakuk Collette Nicole	Chief Strategic Comml Officer	Convert	3,900	—	—	6,244
2025-02-18	Nordin Amy Beth	VP, HR, Secretary	Convert	3,400	—	—	1,569
2025-02-18	Cysewski Gerald R	Insider	Tax	1,464	$0.40	$586	145,692
2025-02-18	Cysewski Gerald R	Insider	Convert	3,900	—	—	147,156
2025-02-18	Nordin Amy Beth	VP, HR, Secretary	Tax	1,189	$0.40	$476	8,053
2025-02-18	Nordin Amy Beth	VP, HR, Secretary	Convert	3,400	—	—	9,242
2025-02-18	Cysewski Gerald R	Insider	Convert	3,900	—	—	1,644
2025-02-18	Jensen Glenn	VP, Operations	Convert	3,570	—	—	27,405

Showing 1–50 of 436 transactions

Key facts CIK 768408 Visit website Investor relations