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Overview of all insider trading transactions in BIOLARGO, INC.. Get notifications about new insider transactions in BIOLARGO, INC. for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Sep 24 2015	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.65	23,077	15,000	731,734
Sep 24 2015	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.00	69,618	0	24,753,707	24.7 M to 24.8 M (+0.28 %)
Jul 01 2015	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.00	104,571	0	4,441,203	4.3 M to 4.4 M (+2.41 %)
Jul 01 2015	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.35	64,286	22,500	1,669,647
Jul 01 2015	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.35	42,857	15,000	685,527
Jul 01 2015	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.00	108,743	0	24,684,089	24.6 M to 24.7 M (+0.44 %)
Jul 01 2015	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary	Grant	A	0.00	65,629	0	1,220,668	1.2 M to 1.2 M (+5.68 %)
Jul 01 2015	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.35	42,857	15,000	1,008,724
Jul 01 2015	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.35	42,857	15,000	708,657
Jun 26 2015	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.38	10,000	3,800	642,670
Jun 26 2015	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.38	10,000	3,800	1,605,361
Jun 26 2015	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.38	10,000	3,800	665,800
Jun 26 2015	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.38	10,000	3,800	965,867
Apr 01 2015	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	PRESIDENT	Grant	A	0.00	71,608	0	4,336,632	4.3 M to 4.3 M (+1.68 %)
Apr 01 2015	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	SECRETARY	Grant	A	0.00	52,239	0	1,155,039	1.1 M to 1.2 M (+4.74 %)
Apr 01 2015	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.36	63,380	22,500	1,595,361
Apr 01 2015	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	CHIEF SCIENCE OFFIC ...	Grant	A	0.00	158,131	0	24,575,346	24.4 M to 24.6 M (+0.65 %)
Apr 01 2015	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.36	42,254	15,000	655,800
Apr 01 2015	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.35	42,254	14,789	632,670
Apr 01 2015	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.36	42,254	15,000	955,867
Jan 02 2015	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.35	64,286	22,500	1,531,981
Jan 02 2015	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.35	42,857	15,000	913,613
Jan 02 2015	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary	Grant	A	0.00	47,684	0	1,102,800	1.1 M to 1.1 M (+4.52 %)
Jan 02 2015	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.00	137,143	0	24,417,215	24.3 M to 24.4 M (+0.56 %)
Jan 02 2015	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President & CEO	Grant	A	0.00	142,617	0	4,265,024	4.1 M to 4.3 M (+3.46 %)
Jan 02 2015	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President & CEO	Gift	G	0.00	550,000	0	4,122,407	4.7 M to 4.1 M (-11.77 %)
Dec 31 2014	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.35	42,857	15,000	613,546
Dec 31 2014	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.35	42,857	15,000	590,416
Oct 01 2014	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.00	26,500	0	24,280,072	24.3 M to 24.3 M (+0.11 %)
Oct 01 2014	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary	Grant	A	0.00	4,157	0	1,055,116	1.1 M to 1.1 M (+0.40 %)
Oct 01 2014	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.47	31,915	15,000	570,689
Oct 01 2014	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.47	47,872	22,500	1,467,695
Oct 01 2014	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	P	0.47	31,915	15,000	870,756
Oct 01 2014	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.47	31,915	15,000	547,559
Oct 01 2014	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President & CEO	Grant	A	0.47	21,819	10,255	4,672,407	4.7 M to 4.7 M (+0.47 %)
Jul 01 2014	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.65	23,077	15,000	515,644
Jul 01 2014	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.65	23,077	15,000	538,774
Jul 01 2014	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.65	34,616	22,500	1,419,823
Jul 01 2014	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	SECRETARY	Grant	A	0.00	28,099	0	1,050,959	1 M to 1.1 M (+2.75 %)
Jul 01 2014	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.65	23,077	15,000	838,841
Jul 01 2014	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	CHEIF SCIENCE OFFIC ...	Grant	A	0.00	87,809	0	24,253,572	24.2 M to 24.3 M (+0.36 %)
Jul 01 2014	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	PRESIDENT AND CEO	Grant	A	0.00	85,179	0	4,650,588	4.6 M to 4.7 M (+1.87 %)
Jun 25 2014	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	CHIEF FINANCIAL OFF ...	Option Exercise	A	0.63	300,000	189,000	2,146,000
Jun 24 2014	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.63	10,000	6,300	492,567
Jun 24 2014	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.63	10,000	6,300	1,385,207
Jun 24 2014	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.63	10,000	6,300	515,697
Jun 24 2014	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.63	10,000	6,300	815,764
Jun 24 2014	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Gift	G	0.00	10,000	0	406,195	416.2 K to 406.2 K (-2.40 %)
Jun 24 2014	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Gift	G	0.00	15,000	0	416,195	431.2 K to 416.2 K (-3.48 %)
Apr 02 2014	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.43	34,884	15,000	505,697
Apr 02 2014	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.43	34,884	15,000	482,567
Apr 02 2014	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.43	34,884	15,000	805,764
Apr 02 2014	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.43	52,326	22,500	1,375,207
Apr 02 2014	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	SECRETARY	Grant	A	0.00	83,494	0	1,022,860	939.4 K to 1 M (+8.89 %)
Jan 03 2014	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.25	270,900	67,725	2,026,751	1.8 M to 2 M (+15.43 %)
Jan 03 2014	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	PRESIDENT AND C.E.O ...	Gift	G	0.00	100,000	0	4,565,409	4.7 M to 4.6 M (-2.14 %)
Jan 03 2014	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	PRESIDENT AND C.E.O ...	Grant	A	0.25	247,204	61,801	4,665,609	4.4 M to 4.7 M (+5.59 %)
Jan 03 2014	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.25	90,000	22,500	1,322,881
Jan 03 2014	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.25	60,000	15,000	470,813
Jan 03 2014	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.25	60,000	15,000	447,683
Jan 03 2014	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.25	60,000	15,000	770,880
Sep 30 2013	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.30	150,000	45,000	1,232,881
Sep 30 2013	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.30	100,000	30,000	387,683
Sep 30 2013	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.30	50,000	15,000	503,671
Sep 30 2013	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.30	50,000	15,000	660,880
Sep 30 2013	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	CHIEF SCIENCE OFFIC ...	Grant	A	0.30	473,747	142,124	23,894,863	23.4 M to 23.9 M (+2.02 %)
Sep 27 2013	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	SECRETARY	Grant	A	0.30	55,450	16,635	939,366	883.9 K to 939.4 K (+6.27 %)
Sep 27 2013	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	PRESIDENT AND CHIEF ...	Grant	A	0.30	436,463	130,939	4,418,205	4 M to 4.4 M (+10.96 %)
Jul 19 2013	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	CHIEF FINANCIAL OFF ...	Option Exercise	A	0.30	300,000	90,000	1,846,000
Jun 18 2013	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.28	10,000	2,800	1,082,881
Jun 18 2013	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.30	75,000	22,500	1,072,881
Jun 18 2013	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.28	10,000	2,800	610,880
Jun 18 2013	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.30	50,000	15,000	600,880
Jun 18 2013	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.28	10,000	2,800	287,683
Jun 18 2013	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.30	50,000	15,000	277,683
Jun 18 2013	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.28	10,000	2,800	453,671
Jun 18 2013	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.30	50,000	15,000	443,671
Dec 31 2012	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.30	50,000	15,000	227,685
Dec 31 2012	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.30	50,000	15,000	393,671
Dec 31 2012	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	SECRETARY	Grant	A	0.00	83,139	0	883,916	800.8 K to 883.9 K (+10.38 %)
Dec 31 2012	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	SECRETARY	Grant	A	0.00	200,000	0	800,777	600.8 K to 800.8 K (+33.29 %)
Dec 31 2012	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President and Chief ...	Gift	G	0.00	40,000	0	3,981,742	4 M to 4 M (-0.99 %)
Dec 31 2012	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President and Chief ...	Grant	A	0.00	497,507	0	4,021,742	3.5 M to 4 M (+14.12 %)
Dec 31 2012	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President and Chief ...	Grant	A	0.00	400,000	0	3,524,235	3.1 M to 3.5 M (+12.80 %)
Dec 31 2012	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.30	75,000	22,500	997,881
Dec 31 2012	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.30	50,000	15,000	550,880
Dec 31 2012	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	CHIEF FINANCIAL OFF ...	Option Exercise	A	0.30	410,000	123,000	1,546,000
Dec 31 2012	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	CHIEF SCIENCE OFFIC ...	Grant	A	0.00	536,467	0	23,421,116	22.9 M to 23.4 M (+2.34 %)
Dec 31 2012	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	CHIEF SCIENCE OFFIC ...	Grant	A	0.00	400,000	0	22,884,649	22.5 M to 22.9 M (+1.78 %)
Oct 04 2012	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.40	10,000	4,000	743,671
Oct 04 2012	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.40	37,500	15,000	733,671
Oct 04 2012	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.40	10,000	4,000	177,683
Oct 04 2012	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.40	37,500	15,000	167,683
Oct 04 2012	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.40	10,000	4,000	500,880
Oct 04 2012	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.40	37,500	15,000	490,880
Oct 04 2012	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.40	10,000	4,000	922,881
Oct 04 2012	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.40	56,250	22,500	912,881
Jul 05 2012	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.36	41,666	15,000	453,380
Jul 06 2012	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.36	125,000	45,000	856,631
Jul 06 2012	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.36	144,679	52,084	696,171
Jul 05 2012	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.36	123,516	44,466	130,183
Apr 10 2012	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	CHIEF FINANCIAL OFF ...	Option Exercise	A	0.35	300,000	105,000	1,136,000
Jan 18 2012	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.30	100,000	30,000	411,714
Jan 18 2012	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.30	225,000	67,500	731,631
Oct 20 2011	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Buy	C	0.50	440,000	220,000	526,225	86.2 K to 526.2 K (+510.29 %)
Oct 04 2011	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Buy	P	0.35	142,858	50,000	229,083	86.2 K to 229.1 K (+165.68 %)
Jun 15 2011	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.39	10,000	3,900	311,714
Jun 15 2011	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Gift	G	0.00	17,000	0	431,195	448.2 K to 431.2 K (-3.79 %)
Jun 16 2011	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.39	10,000	3,900	506,631
Apr 05 2011	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.48	46,875	22,500	496,631
Mar 25 2011	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	CHIEF FINANCIAL OFF ...	Option Exercise	A	0.41	120,000	49,200	836,000
Mar 21 2011	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.41	57,714	23,663	301,714
Mar 21 2011	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.41	109,756	45,000	449,756
Mar 21 2011	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	CHIEF TECHNOLOGY OF ...	Grant	A	0.00	200,000	0	345,637	145.6 K to 345.6 K (+137.33 %)
Mar 21 2011	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	PRESIDENT, CEO, CHA ...	Grant	A	0.00	200,000	0	1,595,540	1.4 M to 1.6 M (+14.33 %)
Mar 21 2011	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	SECRETARY	Option Exercise	A	0.41	200,000	82,000	826,203
Feb 03 2011	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Cheif Financial Off ...	Option Exercise	A	0.42	10,000	4,200	716,000
Jan 04 2011	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.50	10,000	5,000	706,000
Dec 27 2010	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President, CEO, Cha ...	Gift	G	0.00	247,500	0	1,528,695	1.8 M to 1.5 M (-13.93 %)
Dec 08 2010	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Technology Of ...	Gift	G	0.00	521,269	0	145,637	666.9 K to 145.6 K (-78.16 %)
Dec 02 2010	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.40	10,000	4,000	696,000
Nov 02 2010	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.42	10,000	4,200	686,000
Oct 04 2010	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.35	10,000	3,500	676,000
Sep 01 2010	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.23	10,000	2,300	666,000
Aug 12 2010	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary and V.P. ...	Option Exercise	A	0.30	296,203	88,861	626,203
Aug 09 2010	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.30	200,000	60,000	656,000
Aug 06 2010	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Technology Of ...	Grant	A	0.00	546,269	0	666,906	120.6 K to 666.9 K (+452.82 %)
Aug 06 2010	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.30	100,000	30,000	244,000
Aug 06 2010	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.40	10,000	4,000	144,000
Aug 06 2010	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Gift	G	0.00	10,000	0	448,195	458.2 K to 448.2 K (-2.18 %)
Aug 04 2010	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.30	150,000	45,000	340,000
Aug 04 2010	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.40	10,000	4,000	190,000
Aug 04 2010	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President, CEO, Cha ...	Grant	A	0.33	454,546	150,000	1,776,195	1.3 M to 1.8 M (+34.39 %)
Aug 04 2010	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President, CEO, Cha ...	Grant	A	0.33	494,750	163,268	1,395,540	900.8 K to 1.4 M (+54.92 %)
Aug 03 2010	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.25	20,000	5,000	456,000
Jun 01 2010	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.31	10,000	3,100	436,000
May 03 2010	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.45	30,000	13,500	426,000
Feb 03 2010	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President, CEO, Cha ...	Option Exercise	A	0.58	200,000	115,000	8,193,259
Feb 02 2010	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary and V.P. ...	Option Exercise	A	0.58	200,000	115,000	330,000
Feb 03 2010	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Technology Of ...	Option Exercise	A	0.58	200,000	115,000	460,000
Feb 02 2010	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.58	60,000	34,500	396,000
Feb 02 2010	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.50	10,000	5,000	336,000
Jan 06 2010	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Grant	A	0.70	71,429	50,000	260,032	188.6 K to 260 K (+37.87 %)
Jan 06 2010	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Grant	A	0.70	42,858	30,001	458,195	415.3 K to 458.2 K (+10.32 %)
Jan 05 2010	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.70	10,000	7,000	326,000
Dec 30 2009	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Technology Of ...	Gift	G	0.00	500,000	0	120,637	620.6 K to 120.6 K (-80.56 %)
Dec 01 2009	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.57	10,000	5,700	316,000
Nov 04 2009	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.45	10,000	4,500	306,000
Sep 30 2009	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.40	10,000	4,000	296,000
Sep 02 2009	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.43	10,000	4,300	286,000

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