CYANOTECH CORP

OTC:CYANOTC:CYAND

Medicinal Chemicals & Botanical Products·KAILUA KONA, HI

Cyanotech Corporation is a micro-algae producing company leasing land in the Natural Energy Lab of Hawaii on the Kona Coast of the island of Hawaii. The company produces BioAstin® Natural Astaxanthin and Hawaiian Spirulina Pacifica.

CEO

Custer Matthew Keith

CFO

Miyashiro Jennifer A.S.

Financials

20 shown

Type	Period	Ended	Filed
10-Q	Q3 2025	9/30/25	11/10/25	→
10-Q	Q2 2025	6/30/25	8/6/25	→
10-K	FY 2025	3/31/25	6/20/25	→
10-Q	Q4 2024	12/31/24	2/11/25	→
10-Q	Q3 2024	9/30/24	11/12/24	→
10-Q	Q2 2024	6/30/24	8/7/24	→
↓

Earnings Releases (8-K)

1 shown

Filed	Period
8/15/08	Q2 FY2009	→

News (8-K)

79 shown

Filed	Type	Description
9/2/25	Agreement	Entry into a Material Definitive Agreement	→
8/22/25	Exec Change	Departure or Appointment of Directors or Certain Officers	→
5/8/25	Exec Change	Entry into a Material Definitive Agreement	→
12/16/24	Other	Changes in Registrant's Certifying Accountant	→
8/23/24	Exec Change	Departure or Appointment of Directors or Certain Officers	→
8/13/24	Agreement	Entry into a Material Definitive Agreement	→
↓

Prospectuses & Registrations

23 shown

Filed	Form	Description
7/10/25	ARS	ARS	→
7/11/24	ARS	ARS	→
7/14/23	ARS	ARS	→
11/10/16	S-8	S-8	→
9/4/15	ARS	AUTO-GENERATED PAPER DOCUMENT	→
9/17/14	S-8	S-8	→
↓

Filing History(870 filings)

TypeDateAccessionPeriodSize

15-12G

Feb 13, 2026

0000947871-26-000144FORM 15-12G

—

12.0 KB

SC 13E3/A

Feb 13, 2026

0000947871-26-000143AMENDMENT NO. 2

—

35.6 KB

SC 13E3/A

Feb 3, 2026

0000947871-26-000082AMENDMENT NO. 1

—

263.7 KB

SC 13E3

Jan 9, 2026

0000947871-26-000021SCHEDULE 13E-3

—

308.3 KB

10-Q

Nov 10, 2025

0001437749-25-034093FORM 10-Q

Sep 30, 2025

5.8 MB

Sep 16, 2025

0001437749-25-029152JENNIFER MIYASHIRO ISO

Sep 12, 2025

5.1 KB

Sep 12, 2025

0001437749-25-028932JENNIFER MIYASHIRO CFO

Aug 21, 2025

16.3 KB

Sep 2, 2025

0001437749-25-028195FORM 4 DM

Aug 28, 2025

4.1 KB

Sep 2, 2025

0001437749-25-028193FORM 4 DV

Aug 28, 2025

4.1 KB

Sep 2, 2025

0001437749-25-028191FORM 4 MD

Aug 28, 2025

7.8 KB

8-K

Sep 2, 2025

0001437749-25-028099FORM 8-K

Aug 29, 2025

167.7 KB

8-K

Aug 22, 2025

0001437749-25-027547FORM 8-K

Aug 21, 2025

160.8 KB

10-Q

Aug 6, 2025

0001437749-25-025070FORM 10-Q

Jun 30, 2025

5.0 MB

Jul 31, 2025

0001437749-25-024127FORM 4

Jul 29, 2025

6.8 KB

Jul 31, 2025

0001437749-25-024125FORM 4

Jul 29, 2025

8.3 KB

Jul 31, 2025

0001437749-25-024124FORM 4

Jul 29, 2025

8.3 KB

Jul 31, 2025

0001437749-25-024122FORM 4

Jul 29, 2025

8.9 KB

Jul 31, 2025

0001437749-25-024120FORM 4

Jul 29, 2025

8.9 KB

ARS

Jul 10, 2025

0001437749-25-022474ARS

Mar 31, 2025

1.0 MB

DEF 14A

Jul 10, 2025

0001437749-25-022469FORM DEF 14A

Aug 21, 2025

1.1 MB

10-K

Jun 20, 2025

0001437749-25-020904FORM 10-K

Mar 31, 2025

7.8 MB

Jun 18, 2025

0001437749-25-020772FORM 4 MC

Jun 16, 2025

7.4 KB

May 21, 2025

0001437749-25-017946FORM 4 JB

May 19, 2025

5.1 KB

May 21, 2025

0001437749-25-017944FORM 4 AN

May 19, 2025

5.1 KB

May 21, 2025

0001437749-25-017942FORM 4 GJ

May 19, 2025

5.0 KB

25 filings shown

CYANOTECH CORP

Financials

Earnings Releases (8-K)

News (8-K)

Prospectuses & Registrations

Filing History(870 filings)

Proxies

Ownership

Other Filings

Filed	Form	Description
9/16/25	4	JENNIFER MIYASHIRO ISO	→
9/12/25	3	JENNIFER MIYASHIRO CFO	→
9/2/25	4	FORM 4 DM	→
9/2/25	4	FORM 4 DV	→
9/2/25	4	FORM 4 MD	→
7/31/25	4	4	→
↓

Filed	Form	Description
2/13/26	15-12G	FORM 15-12G	→
2/13/26	SC 13E3/A	AMENDMENT NO. 2	→
2/3/26	SC 13E3/A	AMENDMENT NO. 1	→
1/9/26	SC 13E3	SCHEDULE 13E-3	→
4/9/24	25-NSE	25-NSE	→
5/10/16	D	D	→
↓