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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
May 24 2021	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.18	27,439	4,939	3,070,455
Apr 21 2021	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Buy	C	0.24	563,035	135,128	4,878,579	4.3 M to 4.9 M (+13.05 %)
Apr 05 2021	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.23	75,606	17,200	24,519,253	24.4 M to 24.5 M (+0.31 %)
Apr 05 2021	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.23	82,418	18,750	2,321,970
Apr 05 2021	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.23	82,418	18,750	3,152,772
Apr 05 2021	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.23	61,758	14,050	9,658,274	9.6 M to 9.7 M (+0.64 %)
Jan 05 2021	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.12	7,500	900	3,588,286
Jan 04 2021	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.12	156,250	18,750	2,239,552
Jan 04 2021	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	A	0.12	125,000	15,000	892,609
Jan 04 2021	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.12	156,250	18,750	3,070,354
Jan 04 2021	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.12	125,000	15,000	2,011,933
Jan 04 2021	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.12	316,260	37,951	9,596,516	9.3 M to 9.6 M (+3.41 %)
Jan 04 2021	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Gift	G	0.00	225,000	0	9,280,256	9.5 M to 9.3 M (-2.37 %)
Oct 02 2020	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.15	5,000	750	3,618,286
Oct 02 2020	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.15	185,339	27,801	24,107,807	23.9 M to 24.1 M (+0.77 %)
Oct 02 2020	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.15	164,331	24,650	9,505,256	9.3 M to 9.5 M (+1.76 %)
Oct 01 2020	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.15	100,000	15,000	1,886,933
Oct 01 2020	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.15	125,000	18,750	2,083,302
Oct 01 2020	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	A	0.15	100,000	15,000	767,609
Jul 02 2020	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.16	2,500	400	2,894,104
Jul 02 2020	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.16	5,000	800	3,633,286
Jul 02 2020	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.16	166,474	26,636	23,922,468	23.8 M to 23.9 M (+0.70 %)
Jul 02 2020	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.16	200,929	32,149	9,340,925	9.1 M to 9.3 M (+2.20 %)
Jul 02 2020	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	A	0.16	93,750	15,000	667,609
Jul 02 2020	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.16	117,188	18,750	1,958,302
Jul 02 2020	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.16	93,750	15,000	667,609
Jul 02 2020	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.16	117,188	18,750	2,901,604
May 05 2020	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary	Option Exercise	A	0.14	202,110	28,295	1,880,813
May 05 2020	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary	Option Exercise	A	0.14	50,000	7,000	1,678,703
May 05 2020	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.14	214,286	30,000	3,648,286
May 05 2020	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.14	7,500	1,050	3,434,000
May 05 2020	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Option Exercise	A	0.14	343,571	48,100	4,189,893
May 05 2020	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Option Exercise	A	0.14	50,000	7,000	3,846,322
Apr 07 2020	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	A	0.17	88,235	15,000	573,859
Apr 02 2020	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.17	88,235	15,000	573,859
Apr 02 2020	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.17	88,235	15,000	573,859
Apr 02 2020	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.17	88,235	15,000	1,604,948
Apr 02 2020	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.17	110,294	18,750	1,841,114
Apr 02 2020	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.17	110,294	18,750	2,784,416
Apr 02 2020	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.17	366,993	62,389	23,755,994	23.4 M to 23.8 M (+1.57 %)
Apr 02 2020	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.17	281,762	47,900	9,139,996	8.9 M to 9.1 M (+3.18 %)
Mar 10 2020	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Gift	G	0.00	25,000	0	8,858,234	8.9 M to 8.9 M (-0.28 %)
Feb 27 2020	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.21	400,000	84,000	3,456,500
Feb 27 2020	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.21	27,500	5,775	3,056,500
Feb 27 2020	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	J	0.58	60,000	34,500	3,029,000
Feb 27 2020	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	J	0.50	10,000	5,000	3,089,000
Jan 03 2020	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Gift	G	0.00	225,000	0	8,883,234	9.1 M to 8.9 M (-2.47 %)
Jan 03 2020	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	A	0.22	68,182	15,000	485,624
Jan 03 2020	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.22	68,182	15,000	1,516,713
Jan 03 2020	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.22	85,227	18,750	1,730,820
Jan 03 2020	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.22	85,227	18,750	1,730,820
Jan 03 2020	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.22	85,227	18,750	2,674,122
Oct 02 2019	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.32	47,619	15,000	1,448,531
Oct 02 2019	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	A	0.32	47,619	15,000	417,442
Oct 02 2019	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.32	59,524	18,750	1,645,593
Oct 02 2019	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.32	59,524	18,750	2,588,895
Sep 23 2019	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Option Exercise	A	0.22	65,000	14,300	265,000
Sep 23 2019	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary	Option Exercise	A	0.22	32,500	7,150	1,828,703
Sep 23 2019	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.22	45,000	9,900	2,529,371
Sep 23 2019	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Option Exercise	A	0.22	65,000	14,300	3,996,322
Sep 23 2019	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.22	79,000	17,380	3,139,000
Jul 02 2019	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.23	235,656	54,201	23,353,921	23.1 M to 23.4 M (+1.02 %)
Jul 02 2019	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.23	81,522	18,750	2,664,371
Jul 02 2019	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.23	230,219	52,950	9,108,234	8.9 M to 9.1 M (+2.59 %)
Jun 24 2019	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary	Option Exercise	A	0.17	1,000,000	170,000	1,926,203
Jun 24 2019	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary	Grant	A	0.00	500,000	0	1,770,743	1.3 M to 1.8 M (+39.35 %)
May 01 2019	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.16	268,434	42,949	8,878,015	8.6 M to 8.9 M (+3.12 %)
May 01 2019	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.16	93,750	15,000	1,335,695
May 01 2019	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	A	0.16	93,750	15,000	304,606
May 01 2019	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.16	311,562	49,850	23,118,265	22.8 M to 23.1 M (+1.37 %)
May 01 2019	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.16	117,188	18,750	1,504,547
May 01 2019	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.16	117,188	18,750	2,582,849
Jan 18 2019	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.22	300,000	66,900	3,206,000
Oct 02 2018	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.27	130,187	35,150	22,603,858	22.5 M to 22.6 M (+0.58 %)
Oct 02 2018	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.27	119,071	32,149	8,505,625	8.4 M to 8.5 M (+1.42 %)
Jul 09 2018	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.43	90,553	38,938	22,473,671	22.4 M to 22.5 M (+0.40 %)
Jul 09 2018	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.43	86,397	37,151	8,386,554	8.3 M to 8.4 M (+1.04 %)
Jul 09 2018	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	A	0.43	34,884	15,000	92,800
Jul 09 2018	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Buy	C	0.37	7,532	2,787	4,315,544	4.3 M to 4.3 M (+0.17 %)
Jul 03 2018	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.43	34,884	15,000	1,123,889
Jul 03 2018	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.43	43,605	18,750	1,180,047
Jul 03 2018	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.43	43,605	18,750	2,239,967
May 22 2018	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Buy	C	0.30	2,201,714	660,514	4,308,012	2.1 M to 4.3 M (+104.53 %)
May 04 2018	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Buy	C	0.25	1,450,400	362,600	2,106,298	655.9 K to 2.1 M (+221.13 %)
Apr 03 2018	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.26	150,197	38,901	8,300,157	8.1 M to 8.3 M (+1.84 %)
Apr 03 2018	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.26	57,916	15,000	1,089,005
Apr 03 2018	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Grant	A	0.26	172,833	44,764	22,383,118	22.2 M to 22.4 M (+0.78 %)
Apr 03 2018	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	A	0.26	57,916	15,000	140,054
Apr 03 2018	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.26	72,394	18,750	1,136,442
Apr 03 2018	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.26	72,394	18,750	2,196,362
Mar 30 2018	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	P	0.48	333,333	160,000	3,590,476
Mar 27 2018	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Buy	P	0.27	110,636	29,595	655,898	545.3 K to 655.9 K (+20.29 %)
Oct 24 2017	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary	Option Exercise	A	0.47	100,000	47,000	926,203
Oct 16 2017	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Gift	G	0.00	435,000	0	8,072,528	8.5 M to 8.1 M (-5.11 %)
Oct 16 2017	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Gift	G	0.00	120,637	0	22,139,012	22.3 M to 22.1 M (-0.54 %)
Oct 05 2017	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Buy	P	0.49	61,792	30,247	473,083	411.3 K to 473.1 K (+15.02 %)
Oct 04 2017	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	A	0.51	29,412	15,000	43,676
Oct 03 2017	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.51	44,118	22,500	1,007,333
Oct 03 2017	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.51	55,147	28,125	1,015,971
Oct 03 2017	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.51	55,147	28,125	2,075,891
Jul 05 2017	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	A	0.43	4,264	1,834	14,264
Jul 03 2017	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.43	34,884	15,000	963,215
Jul 03 2017	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.43	43,605	18,750	960,824
Jul 03 2017	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.43	43,605	18,750	2,020,744
Jun 21 2017	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.39	10,000	3,900	1,977,139
Jun 21 2017	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.39	10,000	3,900	928,331
Jun 21 2017	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.39	10,000	3,900	917,219
Jun 21 2017	BLGO	BIOLARGO, INC.	STROMMEN JACK B.	Director	Option Exercise	A	0.39	10,000	3,900	10,000
May 04 2017	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Option Exercise	A	0.45	3,731,322	1,679,095	4,883,296
May 04 2017	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.45	1,500,000	675,000	8,507,528	7 M to 8.5 M (+21.41 %)
May 02 2017	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Option Exercise	F	0.18	3,866,630	695,993	1,151,974
May 02 2017	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Buy	M	0.18	2,501,937	450,349	7,007,528	4.5 M to 7 M (+55.53 %)
Apr 04 2017	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.50	30,000	15,000	918,331
Feb 14 2017	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.69	300,000	207,000	2,746,000
Jan 04 2017	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.83	18,072	15,000	888,331
Jan 04 2017	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.83	22,590	18,750	869,719
Jan 04 2017	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.83	9,036	7,500	1,163,441
Jan 04 2017	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.83	22,590	18,750	1,929,639
Dec 02 2016	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Gift	G	0.00	350,000	0	4,020,591	4.4 M to 4 M (-8.01 %)
Dec 02 2016	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Gift	G	0.00	2,490,327	0	21,763,380	24.3 M to 21.8 M (-10.27 %)
Oct 04 2016	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.76	19,737	15,000	870,259
Oct 04 2016	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.76	13,816	10,500	1,154,405
Oct 04 2016	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.76	19,737	15,000	847,129
Oct 04 2016	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.76	29,605	22,500	1,907,049
Sep 08 2016	BLGO	BIOLARGO, INC.	CODE KENNETH REAY	Chief Science Offic ...	Gift	G	0.00	500,000	0	24,253,707	24.8 M to 24.3 M (-2.02 %)
Jul 01 2016	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.45	33,333	15,000	850,522
Jul 01 2016	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.45	33,333	15,000	827,392
Jul 01 2016	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.45	33,333	15,000	1,140,589
Jul 01 2016	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.45	50,000	22,500	1,877,444
Jun 22 2016	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.45	10,000	4,500	1,827,444
Jun 22 2016	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.45	10,000	4,500	1,107,256
Jun 22 2016	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.45	10,000	4,500	794,059
Jun 22 2016	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.45	10,000	4,500	817,189
Apr 04 2016	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.33	45,455	15,000	807,189
Apr 04 2016	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.33	68,182	22,500	1,817,444
Apr 04 2016	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.33	45,455	15,000	784,059
Apr 01 2016	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.33	45,455	15,000	1,097,256
Jan 05 2016	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary	Grant	A	0.00	20,686	0	1,270,743	1.3 M to 1.3 M (+1.65 %)
Jan 05 2016	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.50	20,000	10,000	1,051,801
Jan 05 2016	BLGO	BIOLARGO, INC.	Roberts Kent Charles II	Director	Option Exercise	A	0.50	30,000	15,000	761,734
Jan 05 2016	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.50	30,000	15,000	738,604
Jan 05 2016	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.50	45,000	22,500	1,749,262
Nov 02 2015	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Gift	G	0.00	112,000	0	4,370,591	4.5 M to 4.4 M (-2.50 %)
Oct 15 2015	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Gift	G	0.60	16,835	10,101	4,482,591	4.5 M to 4.5 M (-0.37 %)
Oct 02 2015	BLGO	BIOLARGO, INC.	DARGAN CHARLES K	Chief Financial Off ...	Option Exercise	A	0.57	300,000	171,000	2,446,000
Sep 25 2015	BLGO	BIOLARGO, INC.	PROVENZANO JOSEPH L	Secretary	Grant	A	0.00	29,389	0	1,250,057	1.2 M to 1.3 M (+2.41 %)
Sep 25 2015	BLGO	BIOLARGO, INC.	COX GARY ADRIAN	Director	Option Exercise	A	0.65	23,077	15,000	1,031,801
Sep 24 2015	BLGO	BIOLARGO, INC.	CALVERT DENNIS P	President	Grant	A	0.00	58,223	0	4,499,426	4.4 M to 4.5 M (+1.31 %)
Sep 24 2015	BLGO	BIOLARGO, INC.	Marshall Dennis E	Director	Option Exercise	A	0.65	34,615	22,500	1,704,262
Sep 24 2015	BLGO	BIOLARGO, INC.	Runyan John S.	Director	Option Exercise	A	0.65	23,077	15,000	708,604

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