C. Matthew Winger
Affiliations
- Chief Executive Officer at Nocopi Technologies Inc (NNUP), 2025-06-11
Insider Trading: Purchases See All
| Symbol | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| NNUP | $1.10 | 101,416 | $111,557.60 | 235,916 | 2025-06-06 | Filing |
| NNUP | $2.92 | 7,500 | $21,900.00 | 74,500 | 2024-05-23 | Filing |
| NNUP | $3.22 | 1,000 | $3,220.00 | 67,000 | 2023-08-28 | Filing |
| NNUP | $3.24 | 1,000 | $3,240.00 | 66,000 | 2023-08-25 | Filing |
| NNUP | $3.25 | 3,000 | $9,750.00 | 65,000 | 2023-08-24 | Filing |