Investor Marxe Austin W & Greenhouse David M
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Marxe Austin W & Greenhouse David M . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

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Date Form Target Prev
Shares		 Current
Shares		 Change
(Percent)		 Ownership
(Percent)		 Change
(Percent)
2020-02-12 13G/A BWEN / Broadwind, Inc. 1,171,834 1,365,092
2019-02-13 13G/A BWEN / Broadwind, Inc. 1,146,834 1,171,834
2019-02-13 13G/A CRBO / Carbon Energy Corporation 706,549 706,549
2018-02-13 13G CORI / Corium International, Inc. 2,268,443
2018-02-13 13G/A BWEN / Broadwind, Inc. 1,500,009 1,146,834
2018-02-13 13G/A CRBO / Carbon Energy Corporation 14,131,036 706,549
2017-02-10 13G EPIX / ESSA Pharma Inc. 1,696,968
2017-02-10 13G ALDX / Aldeyra Therapeutics, Inc. 912,610
2017-02-10 13G ENSV / Enservco Corporation 3,750,000
2017-02-10 13G/A BWEN / Broadwind, Inc. 0 1,500,009
2017-02-10 13G/A CRBO / Carbon Energy Corporation 10,868,889 14,131,036
2016-02-11 13G/A CRBO / Carbon Energy Corporation 10,868,889
2016-02-11 13G/A BWEN / Broadwind, Inc. 0
2015-08-06 13G/A CVV / CVD Equipment Corporation 288,700
2015-02-04 13G/A RGDXQ / Response Genetics, Inc 0
2015-02-04 13G/A SMT / SMART Technologies Inc. 0
2015-02-04 13G/A INFU / InfuSystem Holdings, Inc. 0
2015-02-04 13G/A HPTO / hopTo Inc. 0
2015-02-04 13G/A CEVA / CEVA, Inc. 0
2015-02-04 13G/A KNWN / Know Labs, Inc. 0
2015-02-04 13G/A XWES / World Energy Solutions Inc 0
2015-02-04 13G/A KOPN / Kopin Corporation 0
2015-02-04 13G/A UCTT / Ultra Clean Holdings, Inc. 0
2015-02-04 13G/A NPTN / NeoPhotonics Corporation 0
2015-02-04 13G/A MFI / mF International Limited 0
2015-02-04 13G/A IPLY / Interplay Entertainment Corp. 0
2015-02-04 13G/A RMGN / RMG Networks Holding Corp. 0
2015-01-29 13G/A ADEP / Adept Technology 0
2015-01-29 13D/A WGBS / WaferGen Bio-Systems, Inc. 0
2015-01-29 13D/A PEYE / Precision Optics Corp., Inc. 0
2015-01-29 13D/A CLRB / Cellectar Biosciences, Inc. 0
2015-01-29 13G/A BTUI / Btu International Inc 0
2015-01-29 13G/A CRBO / Carbon Energy Corporation 0
2015-01-29 13G/A CVU / CPI Aerostructures, Inc. 0
2015-01-29 13G/A IZEA / IZEA Worldwide, Inc. 0
2015-01-29 13G/A IPWR / Ideal Power Inc. 0
2015-01-29 13G/A LTBR / Lightbridge Corporation 0
2015-01-29 13G/A PFSW / PFSWEB Inc 0
2015-01-29 13G/A GNSS / Genasys Inc. 0
2015-01-23 13G/A BWEN / Broadwind, Inc. 0
2015-01-09 13G/A ORMP / Oramed Pharmaceuticals Inc. 409,316
2014-12-09 13G/A CACH / Cache, Inc. 200,000
2014-12-09 13G LTBR / Lightbridge Corporation 3,508,789
2014-11-07 13G/A LTBR / Lightbridge Corporation 630,273
2014-10-08 13G/A LTBR / Lightbridge Corporation 879,130
2014-10-08 13G/A US45244C1045 / Image Sensing Systems, Inc. 0
2014-09-10 13G/A EAC / Edify Acquisition Corp. 638,976
2014-09-10 13G CACH / Cache, Inc. 3,781,946
2014-09-10 13G/A VPCO / Healthier Choices Management Corp 270,097
2014-09-10 13G/A US45244C1045 / Image Sensing Systems, Inc. 370,754
2014-09-09 13D CLRB / Cellectar Biosciences, Inc. 2,208,186
2014-08-29 13D WGBS / WaferGen Bio-Systems, Inc. 2,800,000
2014-08-08 13G/A ARWR / Arrowhead Pharmaceuticals, Inc. 1,686,831
2014-07-09 13G/A ENTR / EntrepreneurShares Series Trust - ERShares Entrepreneurs ETF 3,263,570
2014-07-09 13G/A PRKR / ParkerVision, Inc. 2,619,104
2014-07-09 13G US45244C1045 / Image Sensing Systems, Inc. 859,646
2014-06-10 13D/A PEYE / Precision Optics Corp., Inc. 2,049,877
2014-06-09 13G/A RMGN / RMG Networks Holding Corp. 430,859
2014-05-08 13G/A CTPR / CTPartners Executive Search Inc. 352,410
2014-05-08 13G/A ADMP / Adamis Pharmaceuticals Corp 0
2014-04-09 13G/A KMG / KMG Chemicals, Inc. 556,996
2014-03-07 13G IZEA / IZEA Worldwide, Inc. 21,714,288
2014-02-14 13G KNWN / Know Labs, Inc. 15,900,000
2014-02-13 13G/A HPTO / hopTo Inc. 9,636,900
2014-02-13 13G/A KMG / KMG Chemicals, Inc. 585,997
2014-02-13 13G/A IPAS / iPass, Inc. 3,040,809
2014-02-13 13G/A IPLY / Interplay Entertainment Corp. 9,133,000
2014-02-13 13G/A LTBR / Lightbridge Corporation 1,684,342
2014-02-13 13G/A PFSW / PFSWEB Inc 2,348,955
2014-02-13 13G/A BWEN / Broadwind, Inc. 2,391,043
2014-02-13 13G/A RGDXQ / Response Genetics, Inc 2,679,179
2014-02-13 13G/A UCTT / Ultra Clean Holdings, Inc. 2,624,868
2014-02-13 13G/A XWES / World Energy Solutions Inc 839,652
2014-02-13 13G/A SMT / SMART Technologies Inc. 3,816,720
2014-02-13 13G/A EAC / Edify Acquisition Corp. 914,824
2014-02-13 13G/A IPWR / Ideal Power Inc. 1,146,935
2014-02-13 13G/A 367,619
2014-02-13 13G/A KOPN / Kopin Corporation 6,076,598
2014-02-13 13G/A MFI / mF International Limited 1,339,928
2014-02-13 13G/A BTUI / Btu International Inc 1,123,045
2014-02-13 13G/A VPCO / Healthier Choices Management Corp 1,666,667
2014-02-13 13G/A CRBO / Carbon Energy Corporation 10,888,889
2014-02-13 13G/A ADEP / Adept Technology 1,697,580
2014-02-13 13D/A PEYE / Precision Optics Corp., Inc. 2,049,877
2014-02-13 13G/A CVU / CPI Aerostructures, Inc. 931,040
2014-02-13 13G/A OVRL / Overland Storage Inc 6,907,946
2014-02-13 13G/A PRKR / ParkerVision, Inc. 7,462,979
2014-02-13 13G/A GNSS / Genasys Inc. 5,455,800
2014-02-13 13D/A US45244C1045 / Image Sensing Systems, Inc. 1,109,646
2014-02-12 13G CEVA / CEVA, Inc. 1,355,350
2014-02-12 13G ORMP / Oramed Pharmaceuticals Inc. 790,000
2014-02-12 13G NPTN / NeoPhotonics Corporation 1,691,354
2014-02-12 13G ENTR / EntrepreneurShares Series Trust - ERShares Entrepreneurs ETF 4,636,946
2014-02-12 13G INFU / InfuSystem Holdings, Inc. 1,170,602
2014-02-12 13G CTPR / CTPartners Executive Search Inc. 407,518
2014-02-12 13G RMGN / RMG Networks Holding Corp. 1,142,404
2014-02-12 13G ARWR / Arrowhead Pharmaceuticals, Inc. 4,371,595
2014-02-12 13G ADMP / Adamis Pharmaceuticals Corp 525,000
2014-02-06 13G/A CIMT / Cimatron Ltd 367,000
2014-02-06 13G CIMT / Cimatron Ltd 681,506
2014-02-06 13G/A ARCT / Arcturus Therapeutics Holdings Inc. 661,401
2014-02-06 13G ARCT / Arcturus Therapeutics Holdings Inc. 734,890
2014-01-10 13G/A ECTYQ / Ecotality, Inc. 1,250,000
2014-01-10 13G/A ITI / Iteris, Inc. 1,604,093
2014-01-10 13G/A DAEG / Daegis Inc. 755,220
2013-12-06 13G/A PRPO / Precipio, Inc. 1,750,000
2013-12-06 13G IPWR / Ideal Power Inc. 1,146,935
2013-11-07 13G/A ITI / Iteris, Inc. 2,235,080
2013-11-07 13G VPCO / Healthier Choices Management Corp 8,333,335
2013-11-07 13G ADEP / Adept Technology 1,888,877
2013-10-24 13G PFSW / PFSWEB Inc 2,366,072
2013-10-10 13G/A INO / Inovio Pharmaceuticals, Inc. 6,900,000
2013-10-10 13G/A PCTI / PCTEL, Inc. 810,938
2013-10-10 13G/A PSIX / Power Solutions International, Inc. 406,271
2013-10-10 13G/A CRMBQ / Crumbs Bake Shop, Inc. 534,428
2013-09-10 13G BWEN / Broadwind, Inc. 2,771,663
2013-09-10 13G/A POWR / PowerSecure International, Inc 903,000
2013-08-09 13G/A REMI / Remedent, Inc. 0
2013-08-09 13D/A FDNH / Foundation Healthcare Inc. 7,891,910
2013-07-10 13G/A ECTYQ / Ecotality, Inc. 3,098,138
2013-07-10 13D/A AAIR / Avantair, Inc. 14,556,087
2013-07-10 13G/A FLL / Full House Resorts, Inc. 829,617
2013-07-10 13G/A CDTI / CDTi Advanced Materials, Inc. 369,196
2013-05-09 13G/A ALCS / Alco Stores Inc 0
2013-04-09 13G/A RVSB / Riverview Bancorp, Inc. 965,150
2013-04-09 13G/A HEAR / Turtle Beach Corporation 120,400
2013-04-09 13G/A CVU / CPI Aerostructures, Inc. 931,040
2013-03-07 13G PLUG / Plug Power Inc. 1,511,620
2013-03-07 13G/A GREE / Greenidge Generation Holdings Inc. 2,416,724
2013-03-07 13D/A AAIR / Avantair, Inc. 15,185,087
2013-03-07 13D/A PEYE / Precision Optics Corp., Inc. 2,049,875
2013-02-14 13G DAEG / Daegis Inc. 2,125,808
2013-02-13 13G/A RGDXQ / Response Genetics, Inc 3,313,513
2013-02-13 13G/A CREL / Corel Corp 8,766,900
2013-02-13 13G/A RVSB / Riverview Bancorp, Inc. 1,358,033
2013-02-13 13G PRPO / Precipio, Inc. 2,529,300
2013-02-13 13G/A VRNM / Verenium Corp 1,563,049
2013-02-13 13G/A IPAS / iPass, Inc. 3,040,809
2013-02-13 13G/A IPLY / Interplay Entertainment Corp. 9,133,000
2013-02-13 13G GREE / Greenidge Generation Holdings Inc. 2,476,724
2013-02-13 13G/A PSIX / Power Solutions International, Inc. 881,365
2013-02-13 13G/A UCTT / Ultra Clean Holdings, Inc. 2,640,275
2013-02-13 13G/A ECTYQ / Ecotality, Inc. 1,615,488
2013-02-13 13G/A XWES / World Energy Solutions Inc 928,330
2013-02-13 13G SMT / SMART Technologies Inc. 3,230,268
2013-02-13 13G EAC / Edify Acquisition Corp. 959,144
2013-02-13 13G/A HEAR / Turtle Beach Corporation 900,231
2013-02-13 13G/A ALCS / Alco Stores Inc 594,311
2013-02-13 13G/A ITI / Iteris, Inc. 4,303,408
2013-02-13 13G/A 345,802
2013-02-13 13G/A KOPN / Kopin Corporation 6,022,647
2013-02-13 13G/A MFI / mF International Limited 1,542,372
2013-02-13 13G/A POWR / PowerSecure International, Inc 1,030,355
2013-02-13 13G/A PRKR / ParkerVision, Inc. 7,789,914
2013-02-13 13G/A CDTI / CDTi Advanced Materials, Inc. 519,196
2013-02-08 13G/A RSLS / ReShape Lifesciences Inc. 2,618,266
2013-02-08 13D/A ADEP / Adept Technology 2,183,057
2013-01-14 13D/A PFSW / PFSWEB Inc 2,441,165
2013-01-10 13G/A INO / Inovio Pharmaceuticals, Inc. 11,349,354
2013-01-10 13G REMI / Remedent, Inc. 3,951,933
2012-12-07 13D/A REMI / Remedent, Inc. 4,151,933
2012-12-07 13G/A TWOC / Trans World Corp. 0
2012-11-28 13D/A PFSW / PFSWEB Inc 2,441,165
2012-11-28 13D PFSW / PFSWEB Inc 2,441,165
2012-11-09 13G/A 0
2012-11-09 13G/A CRMBQ / Crumbs Bake Shop, Inc. 2,316,585
2012-11-09 13G/A FSII / FS Development Corp II - Class A 0
2012-11-09 13G/A RMTR / Ramtron International Corp 0
2012-10-09 13D/A PEYE / Precision Optics Corp., Inc. 1,361,790
2012-09-21 13G/A CVU / CPI Aerostructures, Inc. 831,040
2012-09-07 13G/A PPBI / Pacific Premier Bancorp, Inc. 481,989
2012-07-10 13G/A REMI / Remedent, Inc. 4,520,933
2012-07-10 13G/A AUTH / Authentic Brands Group Inc - Class A 1,593,533
2012-07-10 13G/A SVRA / Savara Inc. 406,303
2012-07-10 13G/A 0
2012-07-10 13G HEAR / Turtle Beach Corporation 976,862
2012-07-10 13G/A NROM / Noble Roman's, Inc. 0
2012-07-10 13G CVU / CPI Aerostructures, Inc. 831,040
2012-07-10 13G/A 76155G107 / Revolution Lighting Technologies, Inc. 0
2012-07-10 13G/A ENVS / Enova Systems Inc 2,085,738
2012-07-10 13G/A CDTI / CDTi Advanced Materials, Inc. 689,814
2012-06-08 13G/A UNXLQ / Uni-Pixel, Inc. 345,347
2012-05-09 13G/A PRKR / ParkerVision, Inc. 8,430,421
2012-04-10 13G/A BKRS / 1,140,000
2012-04-10 13G/A 360,826
2012-04-10 13G/A RMTR / Ramtron International Corp 4,000,000
2012-04-10 13G/A CVU / CPI Aerostructures, Inc. 331,040
2012-04-10 13G TWOC / Trans World Corp. 1,580,008
2012-04-02 13D PLUG / Plug Power Inc. 8,511,620
2012-03-09 13G/A AEHR / Aehr Test Systems, Inc. 169,541
2012-03-09 13G BKRS / 1,640,000
2012-03-09 13D/A PEYE / Precision Optics Corp., Inc. 610,401
2012-03-09 13G/A PCYC / Pharmacyclics 254,475
2012-02-24 13G/A UCTT / Ultra Clean Holdings, Inc. 3,049,000
2012-02-13 13G/A KMG / KMG Chemicals, Inc. 685,500
2012-02-13 13G/A RVSB / Riverview Bancorp, Inc. 1,640,500
2012-02-13 13G AEHR / Aehr Test Systems, Inc. 486,800
2012-02-13 13G SRSL / Srs Labs Inc 1,038,591
2012-02-13 13G CREL / Corel Corp 8,250,000
2012-02-13 13G/A INO / Inovio Pharmaceuticals, Inc. 20,393,450
2012-02-13 13G/A IPLY / Interplay Entertainment Corp. 9,470,000
2012-02-13 13G/A LTBR / Lightbridge Corporation 1,851,235
2012-02-13 13G PLUG / Plug Power Inc. 2,060,000
2012-02-13 13G/A ZIOP / Alaunos Therapeutics Inc 3,014,028
2012-02-13 13G RGDXQ / Response Genetics, Inc 3,327,724
2012-02-13 13G/A PSIX / Power Solutions International, Inc. 875,002
2012-02-13 13G/A AUTH / Authentic Brands Group Inc - Class A 2,345,772
2012-02-13 13G SVRA / Savara Inc. 3,749,900
2012-02-13 13G/A UNXLQ / Uni-Pixel, Inc. 495,439
2012-02-13 13G ECTYQ / Ecotality, Inc. 2,325,504
2012-02-13 13G/A RSLS / ReShape Lifesciences Inc. 2,732,213
2012-02-13 13G XWES / World Energy Solutions Inc 879,794
2012-02-13 13G/A CRMBQ / Crumbs Bake Shop, Inc. 1,391,256
2012-02-13 13D HEAR / Turtle Beach Corporation 4,981,411
2012-02-13 13G/A ITI / Iteris, Inc. 4,303,408
2012-02-13 13G/A 1,763,392
2012-02-13 13G/A BTUI / Btu International Inc 1,123,045
2012-02-13 13G CRBO / Carbon Energy Corporation 10,888,889
2012-02-13 13G POWR / PowerSecure International, Inc 4,303,408
2012-02-13 13G CVU / CPI Aerostructures, Inc. 345,940
2012-02-13 13G/A OVRL / Overland Storage Inc 3,190,389
2012-02-13 13G PRKR / ParkerVision, Inc. 4,215,891
2012-02-13 13G/A 76155G107 / Revolution Lighting Technologies, Inc. 1,720,858
2012-02-13 13G/A GNSS / Genasys Inc. 4,773,361
2012-02-13 13G/A CDTI / CDTi Advanced Materials, Inc. 1,265,694
2012-02-13 13G PCYC / Pharmacyclics 254,475
2012-02-10 13G/A DOVR / Dover Saddlery Inc 374,181
2012-01-10 13D/A PEYE / Precision Optics Corp., Inc. 1,074,401
2012-01-10 13G/A PTN / Palatin Technologies, Inc. 1,741,304