8i Enterprises Acquisition Corp

9 Meters Biopharma, Inc.

Abraxas Petroleum Corporation

Acasti Pharma, Inc.

Acorda Therapeutics, Inc.

Advaxis, Inc.

Aeterna Zentaris Inc.

AirNet Technology Inc.

Alberton Acquisition Corporation

ALJ Regional Holdings, Inc.

Amyris, Inc.

Apex Global Brands Inc.

Aqua Metals, Inc.

Assertio Holdings, Inc.

Astrotech Corporation

Avinger, Inc.

AzurRx BioPharma, Inc.

Biocept, Inc.

BIO-key International, Inc.

Biolase, Inc.

Bionano Genomics, Inc.

BOQI International Medical Inc.

Borqs Technologies, Inc.

Brickell Biotech, Inc.

Castor Maritime Inc.

CBAK Energy Technology, Inc.

Centennial Resource Development, Inc.

CF Finance Acquisition Corp.

Charles & Colvard Ltd.

Check-Cap Ltd.

CHF Solutions, Inc.

China HGS Real Estate, Inc.

China SXT Pharmaceuticals, Inc.

ClearSign Technologies Corporation

Conformis, Inc.

Datasea Inc.

DAVIDsTEA Inc.

Destination XL Group, Inc.

Dolphin Entertainment, Inc.

Dynatronics Corporation

Eastside Distilling, Inc.

ENDRA Life Sciences Inc.

Energy Focus, Inc.

Exela Technologies, Inc.

EyePoint Pharmaceuticals, Inc.

Farmmi, INC.

Ferroglobe PLC

Focus Financial Partners Inc.

Fuel Tech, Inc.

Globus Maritime Limited

Gridsum Holding Inc.

Guardion Health Sciences, Inc.

Hallador Energy Company

Hancock Jaffe Laboratories, Inc.

Helius Medical Technologies, Inc.

HTG Molecular Diagnostics, Inc.

Hudson Capital Inc.

Iconix Brand Group, Inc.

Insignia Systems, Inc.

Intec Pharma Ltd.

Integrated Media Technology Limited

Interpace Biosciences, Inc.

Iterum Therapeutics plc

Jaguar Health, Inc.

JAKKS Pacific, Inc.

Kaixin Auto Holdings

Kaspien Holdings Inc.

KBL Merger Corp. IV

Lianluo Smart Limited

Lonestar Resources US Inc.

Longevity Acquisition Corporation

Luokung Technology Corp

Mereo BioPharma Group plc

Nabriva Therapeutics plc

Naked Brand Group Limited

NanoVibronix, Inc.

National Holdings Corporation

Navios Maritime Containers L.P.

NCS Multistage Holdings, Inc.

Neos Therapeutics, Inc.

Novan, Inc.

Novus Therapeutics, Inc.

NXT-ID Inc.

Oasis Petroleum Inc.

Obalon Therapeutics, Inc.

Ocugen, Inc.

Orbital Energy Group, Inc.

Pareteum Corporation

Performance Shipping Inc.

Performant Financial Corporation

PLx Pharma Inc.

Principal Exchange-Traded Funds

Profire Energy, Inc.

Pyxis Tankers Inc.

Rave Restaurant Group, Inc.

Regulus Therapeutics Inc.

ReTo Eco-Solutions, Inc.

RiceBran Technologies

Second Sight Medical Products, Inc.

SemiLEDS Corporation

Seneca Biopharma, Inc.

Senmiao Technology Limited

Sonim Technologies, Inc.

SPAR Group, Inc.

Sphere 3D Corp.

SPI Energy Co., Ltd.

Staffing 360 Solutions, Inc.

Steel Connect, Inc.

Sterling Bancorp, Inc.

Sundial Growers Inc.

SuperCom, Ltd.

Superconductor Technologies Inc.

Teligent, Inc.

Tellurian Inc.

The Dixie Group, Inc.

The Peck Company Holdings, Inc.

The RealReal, Inc.

The9 Limited

Titan Medical Inc.

Titan Pharmaceuticals, Inc.

Torchlight Energy Resources, Inc.

ToughBuilt Industries, Inc.

Town Sports International Holdings, Inc.

TransGlobe Energy Corporation

U.S. Well Services, Inc.

Verra Mobility Corporation

Vertex Energy, Inc

VistaGen Therapeutics, Inc.

Viveve Medical, Inc.

Wins Finance Holdings Inc.

Xcel Brands, Inc

Yatra Online, Inc.

Youngevity International, Inc.