Matthew C. Winger insider trades
Open-market stock purchases and sales by Matthew C. Winger, Chief Executive Officer at Nocopi Technologies Inc/md/, from SEC Form 4 filings since Mar 11, 2022.
Track record: 20% of 5 scored buys are up 5% or more since purchase, averaging -26%.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| Dec 29, 2025 | NNUP Nocopi Technologies Inc/md/ | Bought (not open market) | — |
Companies traded
- NNUP Nocopi Technologies Inc/md/: 9 buys, last Dec 29, 2025