Activist investor & 5%+ owner · SC 13D/13G filings
Total Filings
5
Stocks Covered
2
Latest Filing
Nov 7, 2025
DiaMedica Therapeutics Inc.
SC 13G/A · Nov 7, 2025
9.6%
5.0M shares
SC 13G/A · Jun 23, 2023
12.0%
4.6M shares
SC 13G/A · Jan 13, 2023
9.5%
2.5M shares
Vertex Energy, Inc.
SC 13G/A · Jun 10, 2022
3.9%
SC 13G · May 27, 2022
6.2%
1.6M shares
