Matthew C. Winger, CEO of NOCOPI Technologies Inc. ($NNUP), made one open market purchase of common shares worth about $112,000 in the last year, with the most recent on June 6, 2025. This ranks him 2,046th among 4,983 insiders by purchase value, below the average of $1.5 million across 3.29 transactions per insider. He reported no open market sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 29, 2025 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Winger Matthew C. | Chief Executive Officer | A | Common Stock | 10000 | $0.00 | 245,916.0000 | 10,814,843 | 4.24% | 0.09% |
| June 6, 2025 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Winger Matthew C. | Chief Executive Officer | P | Common Stock | 101416 | $1.10 | 235,916.0000 | 10,792,913 | 75.40% | 0.94% |
| Dec. 22, 2024 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Winger Matthew C. | EVP - Corporate Development | A | Common Stock | 60000 | $0.00 | 134,500.0000 | 10,501,178 | 80.54% | 0.57% |
| Dec. 22, 2024 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Winger Matthew C. | EVP - Corporate Development | A | Common Stock | 6000 | $0.00 | 134,500.0000 | 10,501,178 | 4.67% | 0.06% |
| May 23, 2024 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Winger Matthew C. | EVP - Corporate Development | P | Common Stock | 7500 | $2.92 | 74,500.0000 | 10,501,178 | 11.19% | 0.07% |
| Aug. 25, 2023 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Winger Matthew C. | EVP - Corporate Development | P | Common Stock | 1000 | $3.24 | 66,000.0000 | 0 | 1.54% | 0.00% |
| Aug. 28, 2023 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Winger Matthew C. | EVP - Corporate Development | P | Common Stock | 1000 | $3.22 | 67,000.0000 | 0 | 1.52% | 0.00% |
| Aug. 24, 2023 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Winger Matthew C. | EVP - Corporate Development | P | Common Stock | 3000 | $3.25 | 65,000.0000 | 0 | 4.84% | 0.00% |