Mitchell P. Kopin
Activist investor & 5%+ owner · SC 13D/13G filings
Total Filings
235
Stocks Covered
104
Latest Filing
Mar 5, 2026
Filings
N/A
PharmaCyte Biotech, Inc.
SC 13G/A · Jan 15, 2025
10.0%
715K shares
N/A
PharmaCyte Biotech, Inc.
SC 13G/A · Nov 13, 2024
10.0%
794K shares
N/A
PainReform Ltd.
SC 13G/A · Nov 13, 2024
4.5%
105K shares
N/A
Tantech Holdings Ltd
SC 13G/A · Nov 13, 2024
5.0%
438K shares
N/A
TIAN RUIXIANG Holdings Ltd
SC 13G/A · Nov 13, 2024
2.2%
54K shares
N/A
Interactive Strength Inc.
SC 13G/A · Nov 13, 2024
4.5%
808K shares
N/A
Bio-Path Holdings, Inc.
SC 13G/A · Nov 13, 2024
5.0%
195K shares
N/A
Theriva Biologics, Inc.
SC 13G · Oct 3, 2024
5.0%
119K shares
N/A
BioCardia, Inc.
SC 13G · Sep 6, 2024
5.0%
186K shares
N/A
Farmmi, Inc.
SC 13G · Aug 30, 2024
5.0%
561K shares
N/A
KWESST Micro Systems Inc.
SC 13G · Aug 16, 2024
5.0%
829K shares