Stocks
CYAN CYANOTECH CORP

CYAN

CYANOTECH CORP

Company with tickers: CYAN

CIK

768408

Shares Outstanding

7,392,243

Price History Institutional Holders Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trades Congressional Trades

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	MULDER DAVID M	Director	Award	50,000	—	—	203,468
2025-08-28	DAVIS MICHAEL A /	Director, 10% Owner	Other	12,119	—	—	12,119
2025-08-28	DAVIS MICHAEL A /	Director, 10% Owner	Other	58,000	—	—	58,000
2025-08-28	DAVIS MICHAEL A /	Director, 10% Owner	Other	31,250	—	—	31,250
2025-08-28	DAVIS MICHAEL A /	Director, 10% Owner	Award	50,000	—	—	1,528,598
2025-08-28	DAVIS MICHAEL A /	Director, 10% Owner	Other	58,789	—	—	58,789
2025-08-28	DAVIS MICHAEL A /	Director, 10% Owner	Other	150,000	—	—	150,000
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	—	—	34
2025-07-29	Nordin Amy Beth	VP, HR, Secretary	Tax	525	$0.41	$213	9,051
2025-07-29	Nordin Amy Beth	VP, HR, Secretary	Convert	1,502	—	—	9,576
2025-07-29	Cysewski Gerald R	Insider	Convert	1,577	—	—	147,289
2025-07-29	Cysewski Gerald R	Insider	Convert	1,577	—	—	34
2025-07-29	Custer Matthew Keith	Director, President and CEO	Convert	2,075	—	—	64,137
2025-07-29	Custer Matthew Keith	Director, President and CEO	Convert	2,075	—	—	6,754
2025-07-29	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Convert	1,380	—	—	34
2025-07-29	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Tax	518	$0.41	$210	9,743
2025-07-29	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Convert	1,380	—	—	10,261
2025-07-29	Cysewski Gerald R	Insider	Tax	592	$0.41	$240	146,697
2025-07-29	Cysewski Gerald R	Insider	Other	250	—	—	250
2025-07-29	Jensen Glenn	VP, Operations	Other	17,210	—	—	17,210
2025-07-29	Jensen Glenn	VP, Operations	Convert	1,642	—	—	27,727
2025-07-29	Jensen Glenn	VP, Operations	Convert	1,642	—	—	34
2025-07-29	Jensen Glenn	VP, Operations	Tax	617	$0.41	$250	27,110
2025-06-16	Custer Matthew Keith	Director, President and CEO	Award	64,103	—	—	4,679
2025-06-16	Custer Matthew Keith	Director, President and CEO	Award	150,000	—	—	150,000
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
2025-05-19	Brand Jennifer Kimberly	VP of Sales	Award	50,000	—	—	50,000
2025-05-12	Brand Jennifer Kimberly	VP of Sales	Other	0	—	—	0
2025-04-07	Nordin Amy Beth	VP, HR, Secretary	Convert	33	—	—	8,086
2025-04-07	Nordin Amy Beth	VP, HR, Secretary	Convert	33	—	—	1,536
2025-04-07	Nordin Amy Beth	VP, HR, Secretary	Tax	12	$0.31	$4	8,074
2025-04-07	Jensen Glenn	VP, Operations	Convert	33	—	—	1,676
2025-04-07	Jensen Glenn	VP, Operations	Tax	13	$0.31	$4	26,085
2025-04-07	Jensen Glenn	VP, Operations	Other	17,210	—	—	17,210
2025-04-07	Jensen Glenn	VP, Operations	Convert	33	—	—	26,098
2025-04-07	Cysewski Gerald R	Insider	Convert	33	—	—	145,725
2025-04-07	Cysewski Gerald R	Insider	Other	250	—	—	250
2025-04-07	Cysewski Gerald R	Insider	Convert	33	—	—	1,611
2025-04-07	Cysewski Gerald R	Insider	Tax	13	$0.31	$4	145,712
2025-04-07	Kakuk Collette Nicole	Chief Strategic Comml Officer	Convert	33	—	—	4,721
2025-04-07	Kakuk Collette Nicole	Chief Strategic Comml Officer	Convert	33	—	—	34
2025-04-07	Kakuk Collette Nicole	Chief Strategic Comml Officer	Tax	14	$0.31	$4	4,707
2025-04-07	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Convert	33	—	—	8,894
2025-04-07	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Convert	33	—	—	1,414
2025-04-07	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Tax	13	$0.31	$4	8,881
2025-04-07	Custer Matthew Keith	Director, President and CEO	Convert	33	—	—	2,109
2025-04-07	Custer Matthew Keith	Director, President and CEO	Convert	33	—	—	4,679
2025-02-18	Nordin Amy Beth	VP, HR, Secretary	Convert	3,400	—	—	9,242
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	—	—	1,569
2025-02-18	Jensen Glenn	VP, Operations	Other	17,210	—	—	17,210
2025-02-18	Jensen Glenn	VP, Operations	Convert	3,570	—	—	1,709
2025-02-18	Jensen Glenn	VP, Operations	Tax	1,340	$0.40	$536	26,065
2025-02-18	Kakuk Collette Nicole	Chief Strategic Comml Officer	Tax	1,556	$0.40	$622	4,688
2025-02-18	Kakuk Collette Nicole	Chief Strategic Comml Officer	Convert	3,900	—	—	0
2025-02-18	Kakuk Collette Nicole	Chief Strategic Comml Officer	Convert	3,900	—	—	6,244
2025-02-18	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Convert	3,200	—	—	10,062
2025-02-18	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Tax	1,201	$0.40	$480	8,861
2025-02-18	Johansen Jennifer M.	VP, Quality, Regulatory & Govt	Convert	3,200	—	—	1,447
2025-02-18	Cysewski Gerald R	Insider	Convert	3,900	—	—	1,644
2025-02-18	Cysewski Gerald R	Insider	Convert	3,900	—	—	147,156
2025-02-18	Cysewski Gerald R	Insider	Tax	1,464	$0.40	$586	145,692
2025-02-18	Cysewski Gerald R	Insider	Other	250	—	—	250
2025-02-18	Jensen Glenn	VP, Operations	Convert	3,570	—	—	27,405
2024-10-03	DAVIS MICHAEL A /	Director, 10% Owner	Other	150,000	—	—	150,000
2024-10-03	DAVIS MICHAEL A /	Director, 10% Owner	Other	58,789	—	—	58,789
2024-10-03	DAVIS MICHAEL A /	Director, 10% Owner	Other	58,000	—	—	58,000
2024-10-03	DAVIS MICHAEL A /	Director, 10% Owner	Other	12,119	—	—	12,119
2024-10-03	DAVIS MICHAEL A /	Director, 10% Owner	Other	31,250	—	—	31,250
2024-10-01	DAVIS MICHAEL A /	Director, 10% Owner	Award	13,158	$0.76	$10,000	1,478,598
2024-10-01	DAVIS MICHAEL A /	Director, 10% Owner	Buy	5,000	$0.76	$3,800	1,465,440
2024-09-30	DAVIS MICHAEL A /	Director, 10% Owner	Buy	5,000	$0.76	$3,800	1,460,440
2024-09-27	DAVIS MICHAEL A /	Director, 10% Owner	Other	31,250	—	—	31,250
2024-09-27	DAVIS MICHAEL A /	Director, 10% Owner	Other	150,000	—	—	150,000
2024-09-27	DAVIS MICHAEL A /	Director, 10% Owner	Other	58,789	—	—	58,789
2024-09-27	DAVIS MICHAEL A /	Director, 10% Owner	Other	58,000	—	—	58,000
2024-09-27	DAVIS MICHAEL A /	Director, 10% Owner	Buy	5,000	$0.77	$3,850	1,455,440
2024-09-27	DAVIS MICHAEL A /	Director, 10% Owner	Other	12,119	—	—	12,119
2024-09-26	DAVIS MICHAEL A /	Director, 10% Owner	Buy	5,000	$0.77	$3,850	1,450,440
2024-09-25	DAVIS MICHAEL A /	Director, 10% Owner	Buy	5,000	$0.77	$3,850	1,445,440
2024-09-25	DAVIS MICHAEL A /	Director, 10% Owner	Other	12,119	—	—	12,119
2024-09-25	DAVIS MICHAEL A /	Director, 10% Owner	Other	58,000	—	—	58,000
2024-09-25	DAVIS MICHAEL A /	Director, 10% Owner	Other	58,789	—	—	58,789
2024-09-25	DAVIS MICHAEL A /	Director, 10% Owner	Other	31,250	—	—	31,250
2024-09-25	DAVIS MICHAEL A /	Director, 10% Owner	Other	150,000	—	—	150,000
2024-09-24	DAVIS MICHAEL A /	Director, 10% Owner	Buy	5,000	$0.73	$3,650	1,440,440
2024-09-23	DAVIS MICHAEL A /	Director, 10% Owner	Other	58,789	—	—	58,789
2024-09-23	DAVIS MICHAEL A /	Director, 10% Owner	Other	150,000	—	—	150,000
2024-09-23	DAVIS MICHAEL A /	Director, 10% Owner	Other	12,119	—	—	12,119
2024-09-23	DAVIS MICHAEL A /	Director, 10% Owner	Buy	5,000	$0.77	$3,850	1,435,440
2024-09-23	DAVIS MICHAEL A /	Director, 10% Owner	Other	31,250	—	—	31,250
2024-09-23	DAVIS MICHAEL A /	Director, 10% Owner	Other	58,000	—	—	58,000
2024-09-20	DAVIS MICHAEL A /	Director, 10% Owner	Buy	5,000	$0.77	$3,850	1,430,440
2024-09-19	DAVIS MICHAEL A /	Director, 10% Owner	Other	58,000	—	—	58,000
2024-09-19	DAVIS MICHAEL A /	Director, 10% Owner	Other	31,250	—	—	31,250
2024-09-19	DAVIS MICHAEL A /	Director, 10% Owner	Other	58,789	—	—	58,789