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Mitchell P. Kopin

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

Total Filings

235

Stocks Covered

104

Latest Filing

Mar 5, 2026

Filings

Silexion Therapeutics Corp

SC 13G · Sep 17, 2025

10.0%

245K shares

Purple Biotech Ltd.

SC 13G · Sep 10, 2025

10.0%

139.6M shares

Aethlon Medical, Inc.

SC 13G · Sep 10, 2025

7.7%

577K shares

Applied DNA Sciences, Inc.

SC 13G · Sep 8, 2025

10.0%

143K shares

LM Funding America, Inc.

SC 13G · Aug 25, 2025

2.7%

405K shares

Zeta Network Group

SC 13G · Aug 20, 2025

3.7%

1.1M shares

Longeveron Inc.

SC 13G · Aug 15, 2025

10.0%

2.1M shares

Silo Pharma, Inc

SC 13G/A · Aug 12, 2025

10.0%

838K shares

Processa Pharmaceuticals, Inc.

SC 13G/A · Aug 12, 2025

10.0%

2.9M shares

Microbot Medical Inc.

SC 13G/A · Aug 12, 2025

10.0%

4.2M shares

Mustang Bio, Inc

SC 13G/A · Aug 12, 2025

5.0%

186K shares

Innovative Eyewear, Inc.

SC 13G/A · Aug 12, 2025

10.0%

476K shares

Imunon, Inc.

SC 13G/A · Aug 12, 2025

5.0%

1.1M shares

Cemtrex Inc.

SC 13G/A · Aug 12, 2025

10.0%

337K shares

American Rebel Holdings, Inc.

SC 13G/A · Aug 12, 2025

4.7%

336K shares

Color Star Technology Co., Ltd.

SC 13G/A · Aug 12, 2025

5.0%

1.5M shares

DEFSEC Technologies Inc.

SC 13G · Jul 29, 2025

5.0%

72K shares

Draganfly Inc.

SC 13G · Jul 23, 2025

5.0%

990K shares

Soluna Holdings, Inc.

SC 13G · Jul 18, 2025

10.0%

3.0M shares

60 Degrees Pharmaceuticals, Inc.

SC 13G · Jul 18, 2025

10.0%

372K shares

Netcapital Inc.

SC 13G · Jul 9, 2025

7.1%

288K shares

Actelis Networks, Inc.

SC 13G · Jul 9, 2025

7.6%

813K shares

GeoVax Labs, Inc.

SC 13G · Jul 8, 2025

10.0%

2.8M shares

Cellectar Biosciences, Inc.

SC 13G · Jul 8, 2025

5.0%

140K shares

Bone Biologics Corporation

SC 13G · Jul 3, 2025

10.0%

153K shares

Ascent Solar Technologies, Inc.

SC 13G · Jul 3, 2025

10.0%

318K shares

Lifeward Ltd.

SC 13G · Jul 1, 2025

5.0%

819K shares

N/A

SeaStar Medical Holding Corporation

SC 13G · Jun 27, 2025

10.0%

1.8M shares

Aptevo Therapeutics Inc.

SC 13G · Jun 25, 2025

0.0%

0 shares

Processa Pharmaceuticals, Inc.

SC 13G · Jun 23, 2025

10.0%

3.0M shares

Adial Pharmaceuticals, Inc.

SC 13G · Jun 23, 2025

2.8%

446K shares

Venus Concept Inc.

SC 13G · Jun 13, 2025

5.0%

120K shares

Nuwellis, Inc.

SC 13G · Jun 13, 2025

5.0%

251K shares

Draganfly Inc.

SC 13G · Jun 13, 2025

5.0%

670K shares

Imunon, Inc.

SC 13G · May 30, 2025

5.5%

1.1M shares

Jaguar Health, Inc.

SC 13G · May 27, 2025

5.0%

65K shares

Cemtrex Inc.

SC 13G · May 23, 2025

10.0%

198K shares

Sunshine Biopharma Inc.

SC 13G · May 23, 2025

10.0%

506K shares

Silo Pharma, Inc.

SC 13G · May 21, 2025

10.0%

785K shares

Pasithea Therapeutics Corp.

SC 13G · May 12, 2025

5.0%

318K shares

INVO Fertility, Inc.

SC 13G/A · May 9, 2025

5.0%

35K shares

Dermata Therapeutics, Inc.

SC 13G/A · May 9, 2025

0.4%

23K shares

Mustang Bio, Inc.

SC 13G/A · May 9, 2025

8.8%

236K shares

Color Star Technology Co., Ltd.

SC 13G/A · May 9, 2025

10.0%

2.7M shares

Microbot Medical Inc.

SC 13G/A · May 9, 2025

6.3%

2.3M shares

Aptevo Therapeutics Inc.

SC 13G · Apr 25, 2025

0.0%

0 shares

Innovative Eyewear, Inc.

SC 13G · Apr 17, 2025

10.0%

333K shares

Venus Concept Inc.

SC 13G · Apr 15, 2025

2.6%

38K shares

American Rebel Holdings, Inc.

SC 13G · Apr 14, 2025

10.0%

140K shares

Aptevo Therapeutics Inc.

SC 13G · Apr 9, 2025

0.0%

0 shares