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Filing Details

Accession Number:: 0001144204-10-046682
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-08-25 19:34:48
Reporting Period:: 2010-08-23

Filing Date:: 2010-08-25
Accepted Time:: 2010-08-25 19:34:48
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
768408	Cyanotech Corp	CYAN	Medicinal Chemicals & Botanical Products (2833)	911206026

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1201156	/ A Michael Davis	73-4460 Queen Kaahumanu Hwy #102 Kailua-Kona HI 96740		Yes	No	Yes	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Cyanotech Corporation Common Stock	Acquisiton	2010-08-23	201	$2.37	84,764	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-23	100	$2.38	84,864	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-23	101	$2.43	84,965	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-23	99	$2.44	85,064	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-23	5,000	$2.45	90,064	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-23	1,925	$2.49	91,989	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-23	10,618	$2.50	102,607	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	100	$2.55	102,707	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	884	$2.55	103,591	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	200	$2.63	103,791	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	400	$2.64	104,191	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	15	$2.65	104,206	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	385	$2.67	104,591	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	101	$2.68	104,692	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	10,106	$2.73	114,798	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	20,800	$2.74	135,598	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	400	$2.75	135,998	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	500	$2.76	136,498	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	363	$2.78	136,861	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	100	$2.79	136,961	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	2,500	$2.79	139,461	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	3,056	$2.80	142,517	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	100	$2.81	142,617	No	4	P	Direct
Cyanotech Corporation Common Stock	Acquisiton	2010-08-24	2,274	$2.82	144,891	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Cyanotech Corporation Common Stock	150,000	Indirect	By self as co-trustee for trusts for the benefit of Mr. Davis' children
Cyanotech Corporation Common Stock	31,250	Indirect	By spouse
Cyanotech Corporation Common Stock	480,769	Indirect	By self as co-trustee of the Michael Arlen Davis Charitable Lead Annuity Trust