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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in CYANOTECH CORP. Get notifications about new insider transactions in CYANOTECH CORP for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Sep 09 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.68	500	1,340	157,691	157.2 K to 157.7 K (+0.32 %)
Sep 09 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.63	100	263	157,191	157.1 K to 157.2 K (+0.06 %)
Sep 09 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.70	2,194	5,924	157,091	154.9 K to 157.1 K (+1.42 %)
Sep 09 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.70	200	539	154,897	154.7 K to 154.9 K (+0.13 %)
Sep 09 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.69	1,006	2,706	154,697	153.7 K to 154.7 K (+0.65 %)
Sep 09 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.68	1,000	2,680	153,691	152.7 K to 153.7 K (+0.65 %)
Sep 09 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.66	100	266	152,691	152.6 K to 152.7 K (+0.07 %)
Sep 07 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.70	1,496	4,039	152,591	151.1 K to 152.6 K (+0.99 %)
Sep 07 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.60	4	10	151,095	151.1 K to 151.1 K (0.00 %)
Sep 07 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.70	175	473	151,091	150.9 K to 151.1 K (+0.12 %)
Sep 07 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.67	300	801	150,916	150.6 K to 150.9 K (+0.20 %)
Sep 07 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.66	300	798	150,616	150.3 K to 150.6 K (+0.20 %)
Sep 07 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.58	500	1,290	150,316	149.8 K to 150.3 K (+0.33 %)
Sep 07 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.57	225	578	149,816	149.6 K to 149.8 K (+0.15 %)
Sep 03 2010	CYAN	CYANOTECH CORP	Robertson Gregg	Director	Grant	A	2.62	4,000	10,480	10,438	6.4 K to 10.4 K (+62.13 %)
Sep 03 2010	CYAN	CYANOTECH CORP	Waldron John T	Director	Grant	A	2.62	2,000	5,240	19,551	17.6 K to 19.6 K (+11.40 %)
Sep 02 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.75	1,000	2,750	149,591	148.6 K to 149.6 K (+0.67 %)
Sep 02 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Grant	A	0.00	2,000	0	148,591	146.6 K to 148.6 K (+1.36 %)
Sep 02 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.70	855	2,309	146,591	145.7 K to 146.6 K (+0.59 %)
Sep 02 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.69	100	269	145,736	145.6 K to 145.7 K (+0.07 %)
Sep 02 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.65	45	119	145,636	145.6 K to 145.6 K (+0.03 %)
Aug 27 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.82	700	1,974	145,591	144.9 K to 145.6 K (+0.48 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.82	2,274	6,413	144,891	142.6 K to 144.9 K (+1.59 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.81	100	281	142,617	142.5 K to 142.6 K (+0.07 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.80	3,056	8,557	142,517	139.5 K to 142.5 K (+2.19 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.79	2,500	6,975	139,461	137 K to 139.5 K (+1.83 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.79	100	279	136,961	136.9 K to 137 K (+0.07 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.78	363	1,009	136,861	136.5 K to 136.9 K (+0.27 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.76	500	1,380	136,498	136 K to 136.5 K (+0.37 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.75	400	1,100	135,998	135.6 K to 136 K (+0.29 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.74	20,800	56,992	135,598	114.8 K to 135.6 K (+18.12 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.73	10,106	27,589	114,798	104.7 K to 114.8 K (+9.65 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.68	101	271	104,692	104.6 K to 104.7 K (+0.10 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.67	385	1,028	104,591	104.2 K to 104.6 K (+0.37 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.65	15	40	104,206	104.2 K to 104.2 K (+0.01 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.64	400	1,056	104,191	103.8 K to 104.2 K (+0.39 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.63	200	526	103,791	103.6 K to 103.8 K (+0.19 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.55	884	2,254	103,591	102.7 K to 103.6 K (+0.86 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.55	100	255	102,707	102.6 K to 102.7 K (+0.10 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.50	10,618	26,545	102,607	92 K to 102.6 K (+11.54 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.49	1,925	4,793	91,989	90.1 K to 92 K (+2.14 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.45	5,000	12,250	90,064	85.1 K to 90.1 K (+5.88 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.44	99	242	85,064	85 K to 85.1 K (+0.12 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.43	101	245	84,965	84.9 K to 85 K (+0.12 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.38	100	238	84,864	84.8 K to 84.9 K (+0.12 %)
Aug 25 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.37	201	476	84,764	84.6 K to 84.8 K (+0.24 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.49	2,856	7,111	150,000	147.1 K to 150 K (+1.94 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.48	150	372	147,144	147 K to 147.1 K (+0.10 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.45	12,594	30,855	146,994	134.4 K to 147 K (+9.37 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.37	50	119	134,400	134.4 K to 134.4 K (+0.04 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.36	241	569	134,350	134.1 K to 134.4 K (+0.18 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.35	2,136	5,020	134,109	132 K to 134.1 K (+1.62 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.34	133	311	131,973	131.8 K to 132 K (+0.10 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.33	1,040	2,423	131,840	130.8 K to 131.8 K (+0.80 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.32	500	1,160	130,800	130.3 K to 130.8 K (+0.38 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.31	2,000	4,620	130,300	128.3 K to 130.3 K (+1.56 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.31	400	923	128,300	127.9 K to 128.3 K (+0.31 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.30	1,900	4,370	127,900	126 K to 127.9 K (+1.51 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.24	400	894	126,000	125.6 K to 126 K (+0.32 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.22	300	665	125,600	125.3 K to 125.6 K (+0.24 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.20	1,000	2,200	125,300	124.3 K to 125.3 K (+0.80 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.20	1,200	2,637	124,300	123.1 K to 124.3 K (+0.97 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.17	2,894	6,280	123,100	120.2 K to 123.1 K (+2.41 %)
Aug 23 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.16	200	432	120,206	120 K to 120.2 K (+0.17 %)
Aug 19 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.20	6	13	120,006	120 K to 120 K (+0.01 %)
Aug 19 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.19	300	657	120,000	119.7 K to 120 K (+0.25 %)
Aug 19 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.34	2,055	4,809	119,700	117.6 K to 119.7 K (+1.75 %)
Aug 19 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.29	1,140	2,611	117,645	116.5 K to 117.6 K (+0.98 %)
Aug 19 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.28	550	1,254	116,505	116 K to 116.5 K (+0.47 %)
Aug 19 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.27	1,157	2,626	115,955	114.8 K to 116 K (+1.01 %)
Aug 19 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.24	123	276	114,798	114.7 K to 114.8 K (+0.11 %)
Aug 19 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.22	1,698	3,770	114,675	113 K to 114.7 K (+1.50 %)
Aug 19 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.21	1,000	2,210	112,977	112 K to 113 K (+0.89 %)
Aug 19 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.20	7,215	15,873	111,977	104.8 K to 112 K (+6.89 %)
Aug 19 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.19	2,950	6,461	104,762	101.8 K to 104.8 K (+2.90 %)
Aug 19 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Buy	P	2.18	1,812	3,950	101,812	100 K to 101.8 K (+1.81 %)
Apr 27 2010	CYAN	CYANOTECH CORP	Robertson Gregg	Chairman of the Boa ...	Grant	A	3.45	1,563	5,392	6,438	4.9 K to 6.4 K (+32.06 %)
Apr 21 2010	CYAN	CYANOTECH CORP	Waldron John T	Director	Grant	A	3.45	563	1,942	17,551	17 K to 17.6 K (+3.31 %)
Apr 20 2010	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Grant	A	3.45	563	1,942	84,563	84 K to 84.6 K (+0.67 %)
Apr 16 2010	CYAN	CYANOTECH CORP	ROSENTHAL DAVID	Director	Grant	A	3.45	563	1,942	6,563	6 K to 6.6 K (+9.38 %)
Sep 11 2009	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Grant	A	2.61	875	2,284	871,769	870.9 K to 871.8 K (+0.10 %)
Sep 11 2009	CYAN	CYANOTECH CORP	Waldron John T	Director	Grant	A	2.61	875	2,284	16,238	15.4 K to 16.2 K (+5.70 %)
Sep 11 2009	CYAN	CYANOTECH CORP	Robertson Gregg	Director	Grant	A	2.61	875	2,284	5,875	5 K to 5.9 K (+17.50 %)
Sep 11 2009	CYAN	CYANOTECH CORP	ROSENTHAL DAVID	Director	Grant	A	2.61	875	2,284	5,875	5 K to 5.9 K (+17.50 %)
Jul 27 2009	CYAN	CYANOTECH CORP	Waldron John T	Director	Grant	A	1.67	875	1,461	16,113	15.2 K to 16.1 K (+5.74 %)
Jul 27 2009	CYAN	CYANOTECH CORP	Spooner Deanna Lee	CFO and VP Fin and ...	Option Exercise	A	1.52	50,000	76,000	55,000
Jul 27 2009	CYAN	CYANOTECH CORP	Spooner Deanna Lee	CFO and VP Fin and ...	Grant	A	1.60	500	800	55,000	54.5 K to 55 K (+0.92 %)
Jul 27 2009	CYAN	CYANOTECH CORP	Jacobson Andrew H	President & CEO	Option Exercise	A	1.41	131,056	184,789	393,168
Jul 20 2009	CYAN	CYANOTECH CORP	Jacobson Andrew H	President & CEO	Option Exercise	A	2.12	131,056	277,839	393,168
Jul 20 2009	CYAN	CYANOTECH CORP	Jacobson Andrew H	President & CEO	Option Exercise	A	2.12	131,056	277,839	262,112
Jun 17 2009	CYAN	CYANOTECH CORP	Jensen Glenn	Vice President Oper ...	Option Exercise	A	2.08	10,000	20,800	13,000
Jun 17 2009	CYAN	CYANOTECH CORP	Capelli Robert J	Vice President Sile ...	Option Exercise	A	2.08	10,000	20,800	13,000
Jun 15 2009	CYAN	CYANOTECH CORP	Cysewski Gerald R	Exec.VP&Scientific ...	Option Exercise	A	2.08	10,000	20,800	14,500
Dec 03 2008	CYAN	CYANOTECH CORP	Robertson Gregg	Director	Grant	A	1.67	875	1,461	5,000	4.1 K to 5 K (+21.21 %)
Dec 03 2008	CYAN	CYANOTECH CORP	ROSENTHAL DAVID	Director	Grant	A	1.67	875	1,461	5,875	5 K to 5.9 K (+17.50 %)
Dec 03 2008	CYAN	CYANOTECH CORP	Waldron John T	Director	Grant	A	1.67	875	1,461	16,113	15.2 K to 16.1 K (+5.74 %)
Dec 03 2008	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Grant	A	1.67	875	1,461	870,894	870 K to 870.9 K (+0.10 %)
Dec 03 2008	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Grant	A	1.67	875	1,461	870,894	870 K to 870.9 K (+0.10 %)
Dec 03 2008	CYAN	CYANOTECH CORP	Yuen Paul	Director	Grant	A	1.67	875	1,461	12,825	12 K to 12.8 K (+7.32 %)
Oct 15 2007	CYAN	CYANOTECH CORP	Waldron John T	Director	Grant	A	0.84	1,750	1,470	15,238	13.5 K to 15.2 K (+12.97 %)
Oct 15 2007	CYAN	CYANOTECH CORP	Yuen Paul	Director	Grant	A	0.84	1,750	1,470	11,950	10.2 K to 12 K (+17.16 %)
Oct 15 2007	CYAN	CYANOTECH CORP	ROSENTHAL DAVID	Director	Grant	A	0.84	1,750	1,470	5,000	3.3 K to 5 K (+53.85 %)
Oct 15 2007	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Grant	A	0.84	1,750	1,470	870,019	868.3 K to 870 K (+0.20 %)
Oct 15 2007	CYAN	CYANOTECH CORP	Robertson Gregg	Director	Grant	A	0.84	1,750	1,470	4,125	2.4 K to 4.1 K (+73.68 %)
Nov 08 2006	CYAN	CYANOTECH CORP	Robertson Gregg	Director	Buy	P	0.93	1,000	930	6,000	5 K to 6 K (+20.00 %)
Nov 08 2006	CYAN	CYANOTECH CORP	Robertson Gregg	Director	Buy	P	0.90	1,000	900	5,000	4 K to 5 K (+25.00 %)
May 19 2004	CYAN	CYANOTECH CORP	DAVIS MICHAEL A /	Director	Option Exercise	A	0.50	3,000	1,500	3,000

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