NOCOPI TECHNOLOGIES INC/MD/ (NNUP) has 4 SEC Form 4 insider filings on record in the last 90 days. That includes 3 insider purchases totalling $14K. Most recent filing: Sept. 14, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Sept. 14, 2026 filed Sept. 11, 2026 | FROST PHILLIP MD ET AL 10% Owner | $0 | 21,930 | +1% | No | |
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| Sept. 11, 2026 filed Sept. 10, 2026 | Sites Eric Director | +$2,750 | 1,500 | +150% | No | |
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| Sept. 9, 2026 | Sites Eric Director | +$1,900 | 1,000 | New | No | |
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| Aug. 20, 2026 filed Aug. 18, 2026 | Winger Matthew C. Chief Executive Officer | +$8,910 | 5,200 | +2% | No | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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