Matthew C. Winger, Chief Executive Officer at NOCOPI TECHNOLOGIES INC/MD/ (NNUP), bought 5,200 shares at $1.71 ($9K) on 2026-08-18, disclosed to the SEC on 2026-08-20.
Open-market purchase of $9k NNUP by Chief Executive Officer. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $1.71 | 5,000 | $9K | 96.0% |
| 2 | $1.80 | 200 | $360 | 4.0% |
| Total | $1.71 avg | 5,200 | $9K | 100% |
| Filing → |
| NNUP | BUY | 2023-08-28 | $16K | — | Filing → |
| NNUP | BUY | 2022-05-25 | $4K | — | Filing → |
| NNUP | BUY | 2022-05-13 | $4K | — | Filing → |