Abraxas Petroleum Corporation

Achieve Life Sciences, Inc.

Adamis Pharmaceuticals Corporation

Aemetis, Inc

Aerpio Pharmaceuticals, Inc.

AGM Group Holdings Inc.

Aileron Therapeutics, Inc.

Alimera Sciences, Inc.

Allegro Merger Corp.

Alterity Therapeutics Limited

American Resources Corporation

Apex Global Brands Inc.

Aptevo Therapeutics Inc.

Aqua Metals, Inc.

Arcimoto, Inc.

ARYA Sciences Acquisition Corp.

Asia Pacific Wire & Cable Corporation Limited

Atlas Financial Holdings, Inc.

AVEO Pharmaceuticals, Inc.

Bellerophon Therapeutics, Inc.

Big Rock Partners Acquisition Corp.

Biocept, Inc.

BIO-key International, Inc.

Biolase, Inc.

BioSpecifics Technologies Corp

Borqs Technologies, Inc.

Boxlight Corporation

Cemtrex Inc.

Chanticleer Holdings, Inc.

CHF Solutions, Inc.

China Ceramics Co., Ltd.

China HGS Real Estate, Inc.

China Internet Nationwide Financial Services Inc.

China Recycling Energy Corporation

China SXT Pharmaceuticals, Inc.

Cinedigm Corp

ClearSign Technologies Corporation

Cleveland BioLabs, Inc.

Cocrystal Pharma, Inc.

Conatus Pharmaceuticals Inc.

Correvio Pharma Corp.

CounterPath Corporation

CTI Industries Corporation

Cyclacel Pharmaceuticals, Inc.

DASAN Zhone Solutions, Inc.

DelMar Pharmaceuticals, Inc.

Diffusion Pharmaceuticals Inc.

Digital Ally, Inc.

Diversified Restaurant Holdings, Inc.

Dolphin Entertainment, Inc.

DropCar, Inc.

Dynatronics Corporation

EdtechX Holdings Acquisition Corp.

Ekso Bionics Holdings, Inc.

Energy Focus, Inc.

Evolving Systems, Inc.

Exela Technologies, Inc.

Farmmi, INC.

Fellazo Inc.

Ferroglobe PLC

Forum Merger II Corporation

Frontier Communications Corporation

Fuel Tech, Inc.

Future FinTech Group Inc.

Genius Brands International, Inc.

Global Eagle Entertainment Inc.

Golden Bull Limited

Gordon Pointe Acquisition Corp.

Greenpro Capital Corp.

Guardion Health Sciences, Inc.

Hancock Jaffe Laboratories, Inc.

Heat Biologics, Inc.

Hexindai Inc.

HTG Molecular Diagnostics, Inc.

Hudson Technologies, Inc.

Huitao Technology Co., Ltd.

Ideanomics, Inc.

iFresh Inc.

Innovate Biopharmaceuticals, Inc.

Inpixon

Insignia Systems, Inc.

Intec Pharma Ltd.

InVivo Therapeutics Holdings Corp.

IZEA Worldwide, Inc.

Jaguar Health, Inc.

JAKKS Pacific, Inc.

KemPharm, Inc.

Kitov Pharma Ltd.

Kopin Corporation

Lianluo Smart Limited

LightPath Technologies, Inc.

Lipocine Inc.

LM Funding America, Inc.

Maiden Holdings, Ltd.

MER Telemanagement Solutions Ltd.

MicroVision, Inc.

Midatech Pharma PLC

Mid-Con Energy Partners, LP

Miragen Therapeutics, Inc.

My Size, Inc.

MYOS RENS Technology Inc.

NanoVibronix, Inc.

Neovasc Inc.

Novus Therapeutics, Inc.

NXT-ID Inc.

Ocugen, Inc.

Onconova Therapeutics, Inc.

Opes Acquisition Corp.

Organovo Holdings, Inc.

Pacific Ethanol, Inc.

PAE Incorporated

Pareteum Corporation

PDS Biotechnology Corporation

Pensare Acquisition Corp.

Performance Shipping Inc.

Professional Diversity Network, Inc.

RCI Hospitality Holdings, Inc.

Reebonz Holding Limited

Remark Holdings, Inc.

Ritter Pharmaceuticals, Inc.

Rocket Pharmaceuticals, Inc.

RumbleOn, Inc.

SAExploration Holdings, Inc.

Schultze Special Purpose Acquisition Corp.

Seanergy Maritime Holdings Corp

SemiLEDS Corporation

Senmiao Technology Limited

Sequential Brands Group, Inc.

SG Blocks, Inc.

ShiftPixy, Inc.

Shineco, Inc.

Sigma Labs, Inc.

Sino-Global Shipping America, Ltd.

SITO Mobile, Ltd.

Sophiris Bio, Inc.

SPAR Group, Inc.

Sphere 3D Corp.

Staffing 360 Solutions, Inc.

Steel Connect, Inc.

Stein Mart, Inc.

Summer Infant, Inc.

Summit Wireless Technologies, Inc.

Sunesis Pharmaceuticals, Inc.

SuperCom, Ltd.

Superconductor Technologies Inc.

Synthesis Energy Systems, Inc.

Sypris Solutions, Inc.

Tandy Leather Factory, Inc.

Taoping Inc.

Tarena International, Inc.

Teligent, Inc.

Therapix Biosciences Ltd.

Titan Medical Inc.

Titan Pharmaceuticals, Inc.

Tocagen Inc.

Tonix Pharmaceuticals Holding Corp.

TOP Ships Inc.

Torchlight Energy Resources, Inc.

Tottenham Acquisition I Limited

ToughBuilt Industries, Inc.

Trevena, Inc.

Turquoise Hill Resources Ltd.

U.S. Gold Corp.

Unum Therapeutics Inc.

Urban Tea, Inc.

VectoIQ Acquisition Corp.

Vermillion, Inc.

Verrica Pharmaceuticals Inc.

Vislink Technologies, Inc.

VistaGen Therapeutics, Inc.

Waitr Holdings Inc.

Wins Finance Holdings Inc.

XpresSpa Group, Inc.

Zion Oil