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BioLargo, Inc. (BLGO)

OTC Markets OTCQX - OTC Markets OTCQX Delayed price. Currency in USD
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0.2850-0.0180 (-5.94%)
At close: 03:44PM EDT

Insider transactions

Currency in USD
Insider purchases - Last 6 monthsSharesTrans
Purchases00
SalesN/A0
Net shares purchased (sold)00
Total insider shares held42.13MN/A
% net shares purchased (sold)N/AN/A
Net institutional purchases - Prior quarter to latest quarterShares
Net shares purchased (sold)N/A
% change in institutional shares heldN/A

Insider transactions reported - last two years

InsiderTransactionTypeValueDateShares

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.17 per share.Direct8,49429 Dec 202350,557

CODE KENNETH REAY
Officer and Director

Stock Award(Grant) at price 0.17 per share.Indirect12,20029 Dec 202372,621

CODE KENNETH REAY
Officer and Director

Stock Award(Grant) at price 0.17 per share.Direct3,15029 Sept 202319,010

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.18 per share.Direct9,04924 Jul 202350,553

CODE KENNETH REAY
Officer and Director

Stock Award(Grant) at price 0.18 per share.Direct12,20030 Jun 202368,541

CODE KENNETH REAY
Officer and Director

Stock Award(Grant) at price 0.20 per share.Direct6,30031 Mar 202330,747

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.27 per share.Direct27,14803 Oct 2022100,549

CODE KENNETH REAY
Officer and Director

Stock Award(Grant) at price 0.27 per share.Direct45,30103 Oct 2022167,781

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.18 per share.Direct28,10007 Jul 2022156,111

CODE KENNETH REAY
Officer and Director

Stock Award(Grant) at price 0.18 per share.Direct19,40130 Jun 2022107,784

CODE KENNETH REAY
Officer and Director

Stock Award(Grant) at price 0.21 per share.Direct3,15031 Dec 202115,000

CALVERT DENNIS PATRICK
President

Stock Gift at price 0.00 per share.Direct030 Dec 2021156,000

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.19 per share.Direct11,75005 Oct 202161,842

STROMMEN JACK B
Director

Conversion of Exercise of derivative security at price 0.24 per share.Direct135,12820 Apr 2021563,035

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.23 per share.Direct14,05001 Apr 202161,758

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.23 per share.Direct17,20001 Apr 202175,606

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.12 per share.Direct37,95131 Dec 2020316,260

CALVERT DENNIS PATRICK
President

Stock Gift at price 0.00 per share.Direct031 Dec 2020225,000

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.12 per share.Direct40,30131 Dec 2020335,840

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.15 per share.Direct24,65006 Oct 2020164,331

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.15 per share.Direct24,65030 Sept 2020164,331

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.15 per share.Direct27,80130 Sept 2020185,339

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.16 per share.Direct32,14930 Jun 2020200,929

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.16 per share.Direct26,63630 Jun 2020166,474

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.17 per share.Direct47,90031 Mar 2020281,762

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.17 per share.Direct62,38931 Mar 2020366,993

CALVERT DENNIS PATRICK
President

Stock Gift at price 0.00 per share.Direct009 Mar 202025,000

CALVERT DENNIS PATRICK
President

Stock Gift at price 0.00 per share.Direct031 Dec 2019225,000

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.32 per share.Direct11,05030 Sept 201935,080

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.23 per share.Direct52,95028 Jun 2019230,219

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.23 per share.Direct54,20128 Jun 2019235,656

PROVENZANO JOSEPH L
Officer and Director

Stock Award(Grant) at price 0.00 per share.Direct018 Jun 2019500,000

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.16 per share.Direct42,94929 Apr 2019268,434

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.16 per share.Direct49,85029 Apr 2019311,562

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.24 per share.Direct42,94931 Dec 2018178,956

CALVERT DENNIS PATRICK
President

Stock Gift at price 0.24 per share.Direct18,00031 Dec 201875,000

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.24 per share.Direct48,68331 Dec 2018202,845

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.27 per share.Direct32,14928 Sept 2018119,071

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.27 per share.Direct35,15028 Sept 2018130,187

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.43 per share.Direct37,15105 Jul 201886,397

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.43 per share.Direct38,93805 Jul 201890,553

STROMMEN JACK B
Director

Conversion of Exercise of derivative security at price 0.37 per share.Indirect2,78729 Jun 20187,532

STROMMEN JACK B
Director

Conversion of Exercise of derivative security at price 0.30 per share.Direct660,51418 May 20182,201,714

STROMMEN JACK B
Director

Conversion of Exercise of derivative security at price 0.25 per share.Direct362,60002 May 20181,450,400

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.26 per share.Direct38,90130 Mar 2018150,197

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.26 per share.Direct44,76430 Mar 2018172,833

STROMMEN JACK B
Director

Purchase at price 0.27 per share.Direct29,59523 Mar 2018110,636

STROMMEN JACK B
Director

Stock Award(Grant) at price 0.41 per share.Direct29,91803 Jan 201872,179

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.39 per share.Direct30,19829 Dec 201777,432

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.39 per share.Direct27,79629 Dec 201771,273

CALVERT DENNIS PATRICK
President

Stock Gift at price 0.00 per share.Direct012 Oct 2017435,000

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Gift at price 0.00 per share.Indirect012 Oct 2017120,637

STROMMEN JACK B
Director

Purchase at price 0.49 per share.Direct30,24720 Sept 201761,792

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.45 per share.Direct675,00002 May 20171,500,000

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.45 per share.Direct675,00002 May 20171,500,000

CALVERT DENNIS PATRICK
President

Conversion of Exercise of derivative security at price 0.18 per share.Direct450,34928 Apr 20172,501,937

CALVERT DENNIS PATRICK
President

Stock Gift at price 0.00 per share.Direct001 Dec 2016350,000

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Gift at price 0.00 per share.Direct001 Dec 20162,490,327

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Gift at price 0.00 per share.Direct001 Dec 20162,490,327

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Gift at price 0.00 per share.Direct007 Sept 2016500,000

PROVENZANO JOSEPH L
Officer and Director

Stock Award(Grant) at price 0.00 per share.Direct031 Dec 201520,686

CALVERT DENNIS PATRICK
President

Stock Gift at price 0.00 per share.Direct029 Oct 2015112,000

CALVERT DENNIS PATRICK
President

Stock Gift at price 0.60 per share.Direct10,10112 Oct 201516,835

PROVENZANO JOSEPH L
Officer and Director

Stock Award(Grant) at price 0.00 per share.Direct024 Sept 201529,389

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.00 per share.Direct022 Sept 201558,223

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.00 per share.Direct022 Sept 201569,618

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.00 per share.Direct029 Jun 2015104,571

PROVENZANO JOSEPH L
Officer and Director

Stock Award(Grant) at price 0.00 per share.Direct029 Jun 201565,629

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.00 per share.Direct029 Jun 2015108,743

CALVERT DENNIS PATRICK
President

Stock Award(Grant) at price 0.00 per share.Direct030 Mar 201571,608

PROVENZANO JOSEPH L
Officer and Director

Stock Award(Grant) at price 0.00 per share.Direct030 Mar 201552,239

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.00 per share.Direct030 Mar 2015158,131

CALVERT DENNIS PATRICK
Chief Executive Officer

Stock Award(Grant) at price 0.47 per share.Direct10,25529 Sept 201421,819

PROVENZANO JOSEPH L
Officer and Director

Stock Award(Grant) at price 0.00 per share.Direct029 Sept 20144,157

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.00 per share.Direct029 Sept 201426,500

CALVERT DENNIS PATRICK
Chief Executive Officer

Stock Award(Grant) at price 0.00 per share.Direct027 Jun 201485,179

PROVENZANO JOSEPH L
Officer and Director

Stock Award(Grant) at price 0.00 per share.Direct027 Jun 201428,099

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.00 per share.Direct027 Jun 201487,809

COX GARY ADRIAN
Director

Stock Gift at price 0.00 per share.Direct020 Jun 201425,000

PROVENZANO JOSEPH L
Officer and Director

Stock Award(Grant) at price 0.00 per share.Direct031 Mar 201483,494

CALVERT DENNIS PATRICK
Chief Executive Officer

Stock Award(Grant) at price 0.25 per share.Direct61,80131 Dec 2013247,204

CALVERT DENNIS PATRICK
Chief Executive Officer

Stock Gift at price 0.00 per share.Direct031 Dec 2013100,000

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.25 per share.Direct67,72531 Dec 2013270,900

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.30 per share.Direct142,12427 Sept 2013473,747

CALVERT DENNIS PATRICK
Chief Executive Officer

Stock Award(Grant) at price 0.30 per share.Direct130,93925 Sept 2013436,463

PROVENZANO JOSEPH L
Officer and Director

Stock Award(Grant) at price 0.30 per share.Direct16,63525 Sept 201355,450

CALVERT DENNIS PATRICK
Chief Executive Officer

Stock Gift at price 0.00 per share.Direct031 Dec 201240,000

CALVERT DENNIS PATRICK
Chief Executive Officer

Stock Award(Grant) at price 0.00 per share.Direct028 Dec 2012897,507

PROVENZANO JOSEPH L
Officer and Director

Stock Award(Grant) at price 0.00 per share.Direct028 Dec 2012283,139

CODE KENNETH REAY
Officer, Director and Beneficial Owner

Stock Award(Grant) at price 0.00 per share.Direct028 Dec 2012936,467

ROBERTS KENT CHARLES II
Director

Conversion of Exercise of derivative security at price 0.50 per share.Indirect220,00020 Oct 2011440,000

ROBERTS KENT CHARLES II
Director

Purchase at price 0.35 per share.Indirect50,00030 Sept 2011142,858

COX GARY ADRIAN
Director

Stock Gift at price 0.00 per share.Direct014 Jun 201117,000

DARGAN CHARLES K II
Chief Financial Officer

Stock Award(Grant) at price 0.41 per share.Direct78,00024 May 2011190,244

CALVERT DENNIS PATRICK
Chief Executive Officer

Stock Award(Grant) at price 0.00 per share.Direct017 Mar 2011200,000

CODE KENNETH REAY
Chief Technology Officer

Stock Award(Grant) at price 0.00 per share.Direct017 Mar 2011200,000

CALVERT DENNIS PATRICK
Chief Executive Officer

Stock Gift at price 0.00 per share.Indirect023 Dec 2010247,500

CODE KENNETH REAY
Chief Technology Officer

Stock Gift at price 0.00 per share.Direct006 Dec 2010521,269

COX GARY ADRIAN
Director

Stock Gift at price 0.00 per share.Direct005 Aug 201010,000

CODE KENNETH REAY
Chief Technology Officer

Stock Award(Grant) at price 0.00 per share.Direct005 Aug 2010546,269

CALVERT DENNIS PATRICK
Chief Executive Officer

Stock Award(Grant) at price 0.33 per share.Indirect313,26804 Aug 2010949,296

COX GARY ADRIAN
Director

Stock Award(Grant) at price 0.70 per share.Direct30,00104 Jan 201042,858

MARSHALL DENNIS E
Director

Stock Award(Grant) at price 0.70 per share.Indirect50,00004 Jan 201071,429

CODE KENNETH REAY
Chief Technology Officer

Stock Gift at price 0.00 per share.Direct029 Dec 2009500,000

MARSHALL DENNIS E
Director

Stock Award(Grant) at price 0.59 per share.Indirect20,00029 Dec 200833,898

CALVERT DENNIS PATRICK
Chief Executive Officer

Stock Gift at price 0.00 per share.Indirect024 Oct 2008190,000

CALVERT DENNIS PATRICK
Chief Executive Officer

Stock Gift at price 0.00 per share.Indirect010 Jun 2008150,000

COX GARY ADRIAN
Director

Stock Gift at price 0.00 per share.Direct017 Mar 200810,000

COX GARY ADRIAN
Director

Stock Gift at price 0.00 per share.Direct017 Mar 200810,000

CALVERT DENNIS PATRICK
Officer and Director

Stock Gift at price 0.00 per share.Indirect026 Dec 2007166,000

MARSHALL DENNIS E
Director

Conversion of Exercise of derivative security at price 0.62 per share.Direct11,02818 Jul 200717,645

CALVERT DENNIS PATRICK
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.55 per share.Indirect899,99813 Apr 20071,636,360

PROVENZANO JOSEPH L
Officer and Director

Stock Award(Grant) at price 0.01 per share.Direct40,00015 Jul 20054,000,000

HARRISON STEVEN V
Director

Stock Award(Grant) at price 0.01 per share.Direct10,00015 Jul 20051,000,000

COX GARY ADRIAN
Director

Stock Award(Grant) at price 0.01 per share.Direct10,00015 Jul 20051,000,000

PROVENZANO JOSEPH L
Officer and Director

Stock Award(Grant) at price 0.04 per share.Direct120,00030 Mar 20043,000,000

HARRISON STEVEN V
Director

Stock Award(Grant) at price 0.00 per share.Direct030 Mar 20041,000,000

COX GARY ADRIAN
Director

Stock Award(Grant) at price 0.03 per share.Direct28,00030 Mar 20041,000,000

COX GARY ADRIAN
Director

Sale at price 0.04 per share.Direct7,00026 Nov 2003200,000

HARRISON STEVEN V
Director

Sale at price 0.07 per share.Direct3,85022 Sept 200355,000

HARRISON STEVEN V
Director

Sale at price 0.05 - 0.07 per share.Direct9,10018 Sept 2003155,000

COX GARY ADRIAN
Director

Stock Award(Grant) at price 0.00 per share.Direct004 Aug 2003200,000

HARRISON STEVEN V
Director

Sale at price 0.06 - 0.07 per share.Direct18,66021 Jul 2003300,000

AUGUSTINE FUND L P
Beneficial Owner of more than 10% of a Class of Security

Purchase at price 0.46 per share.Direct6,44008 Oct 200214,000

AUGUSTINE FUND L P
Beneficial Owner of more than 10% of a Class of Security

Purchase at price 0.24 - 0.45 per share.Direct20,62002 Oct 200262,000

SANDERS TODD
Chief Executive Officer

Sale at price 1.46 per share.Indirect17,52019 Apr 200212,000

LYONS GERALDINE
Chief Financial Officer

Sale at price 3.91 per share.Direct97,72515 Feb 200125,000

LYONS GERALDINE
Chief Financial Officer

Conversion of Exercise of derivative security at price 1.00 per share.Direct75,00029 Dec 200075,000

AUGUSTINE FUND L P
Beneficial Owner of more than 10% of a Class of Security

Conversion of Exercise of derivative security at price 1.25 per share.Direct406,25027 Dec 2000325,000

AUGUSTINE FUND L P
Beneficial Owner of more than 10% of a Class of Security

Conversion of Exercise of derivative security at price 1.75 per share.Direct1,921,00007 Dec 20001,097,714

EDELSON GEORGE
Director

Sale at price 3.50 per share.Direct14,00022 Oct 19964,000

EDELSON GEORGE
Director

Purchase at price 2.50 per share.Indirect10,00010 Oct 19954,000

EDELSON GEORGE
Director

Purchase at price 1.50 - 2.00 per share.Indirect17,65007 Aug 199510,000

LYONS LLOYD C
Chief Executive Officer

Purchase at price 1.19 per share.Indirect148,75028 Oct 1993125,000

SCHIFFOUR DONALD D
Officer and Director

Purchase at price 2.38 per share.Indirect4,76015 Apr 19932,000

SCHIFFOUR DONALD D
Vice President

Purchase at price 2.25 per share.Indirect11,25018 Nov 19925,000