Sign in Sign Up Free

Mitchell P. Kopin

Activist investor & 5%+ owner · SC 13D/13G filings

Total Filings

235

Stocks Covered

104

Latest Filing

Mar 5, 2026

Filings

Guardion Health Sciences, Inc.

SC 13G · Feb 28, 2022

8.1%

5.0M shares

N/A

TIAN RUIXIANG Holdings Ltd

SC 13G/A · Feb 11, 2022

10.0%

1.3M shares

SOS Limited

SC 13G/A · Feb 11, 2022

4.8%

117.6M shares

N/A

Synaptogenix, Inc.

SC 13G/A · Feb 11, 2022

10.0%

740K shares

SenesTech, Inc.

SC 13G/A · Feb 11, 2022

2.4%

299K shares

ReWalk Robotics Ltd.

SC 13G/A · Feb 11, 2022

3.7%

2.4M shares

Arcadia Biosciences, Inc.

SC 13G/A · Feb 11, 2022

4.6%

1.1M shares

Pulmatrix, Inc.

SC 13G/A · Feb 11, 2022

5.6%

3.3M shares

Petros Pharmaceuticals, Inc.

SC 13G/A · Feb 11, 2022

7.2%

1.6M shares

Plus Therapeutics, Inc.

SC 13G/A · Feb 11, 2022

1.9%

300K shares

N/A

Predictive Oncology Inc.

SC 13G/A · Feb 11, 2022

3.5%

2.4M shares

N/A

PharmaCyte Biotech, Inc.

SC 13G/A · Feb 11, 2022

5.6%

1.2M shares

PHIO Pharmaceuticals Corp.

SC 13G/A · Feb 11, 2022

5.7%

812K shares

Palisade Bio, Inc.

SC 13G/A · Feb 11, 2022

1.4%

196K shares

enVVeno Medical Corporation

SC 13G/A · Feb 11, 2022

4.4%

431K shares

Vyant Bio, Inc.

SC 13G/A · Feb 11, 2022

0.0%

0 shares

InVivo Therapeutics Holdings Corp.

SC 13G/A · Feb 11, 2022

2.5%

865K shares

My Size, Inc.

SC 13G/A · Feb 11, 2022

2.6%

639K shares

MyMD Pharmaceuticals, Inc.

SC 13G/A · Feb 11, 2022

1.0%

365K shares

Newegg Commerce, Inc.

SC 13G/A · Feb 11, 2022

0.0%

0 shares

Indaptus Therapeutics, Inc.

SC 13G/A · Feb 11, 2022

0.7%

60K shares

Histogen Inc.

SC 13G/A · Feb 11, 2022

10.0%

5.3M shares

Hoth Therapeutics, Inc.

SC 13G/A · Feb 11, 2022

5.6%

1.4M shares

N/A

Globus Maritime Limited

SC 13G/A · Feb 11, 2022

9.1%

2.0M shares

N/A

Castor Maritime Inc.

SC 13G/A · Feb 11, 2022

0.9%

875K shares

Check-Cap Ltd.

SC 13G/A · Feb 11, 2022

2.9%

2.9M shares

N/A

Can-Fite BioPharma Ltd.

SC 13G/A · Feb 11, 2022

5.0%

39.5M shares

N/A

BioLineRx Ltd.

SC 13G/A · Feb 11, 2022

1.0%

7.4M shares

Biolase, Inc.

SC 13G/A · Feb 11, 2022

0.2%

350K shares

XpresSpa Group, Inc.

SC 13G/A · Feb 11, 2022

3.7%

4.0M shares

AmpliTech Group, Inc.

SC 13G/A · Feb 11, 2022

3.1%

298K shares

Aeterna Zentaris Inc.

SC 13G/A · Feb 11, 2022

0.2%

290K shares

Alset EHome International Inc.

SC 13G/A · Feb 11, 2022

2.1%

1.4M shares

N/A

Antelope Enterprise Holdings Limited

SC 13G/A · Feb 11, 2022

7.8%

501K shares

Baudax Bio, Inc.

SC 13G · Jan 6, 2022

2.1%

1.9M shares