NIGON RICHARD has filed 23 insider transactions across 2 companies since May 2023.
Most recent transaction: a gift of 19975 shares of Celcuity Inc. ($CELC) on December 15, 2025.
Activity breakdown: 0 open-market purchases and 1 sale.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 15, 2025 | Celcuity Inc. | $CELC | NIGON RICHARD | Not found | G | Common Stock | 19975 | $0.00 | 89,035.0000 | 47,589,731 | 18.32% | 0.04% |
| Sept. 11, 2025 | Celcuity Inc. | $CELC | NIGON RICHARD | Not found | X | Common Stock | 4672 | $7.56 | 105,765.0000 | 39,449,393 | 4.62% | 0.01% |
| Sept. 11, 2025 | Celcuity Inc. | $CELC | NIGON RICHARD | Not found | X | Warrants (right to buy) | 3245 | $0.00 | 0.0000 | 39,449,393 | 100.00% | 0.01% |
| Sept. 11, 2025 | Celcuity Inc. | $CELC | NIGON RICHARD | Not found | X | Warrants (right to buy) | 4672 | $0.00 | 0.0000 | 39,449,393 | 100.00% | 0.01% |
| Sept. 11, 2025 | Celcuity Inc. | $CELC | NIGON RICHARD | Not found | X | Common Stock | 3245 | $7.56 | 109,010.0000 | 39,449,393 | 3.07% | 0.01% |
| Sept. 1, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | A | Common Stock | 8086 | $0.00 | 47,148.0000 | 9,639,676 | 20.70% | 0.08% |
| July 24, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | M | Common Stock | 12000 | $7.43 | 49,935.0000 | 9,754,209 | 31.63% | 0.12% |
| July 24, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | F | Common Stock | 10873 | $8.20 | 39,062.0000 | 9,754,209 | 21.77% | 0.11% |
| July 24, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | M | Stock Option (right to buy) | 12000 | $0.00 | 0.0000 | 9,754,209 | 100.00% | 0.12% |
| May 19, 2025 | Celcuity Inc. | $CELC | NIGON RICHARD | Not found | A | Stock Option (right to buy) | 14048 | $0.00 | 14,048.0000 | 39,449,393 | 9999.99% | 0.04% |
| Sept. 1, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | A | Stock Option (right to buy) | 11811 | $0.00 | 11,811.0000 | 9,833,450 | 9999.99% | 0.12% |
| Aug. 1, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | F | Common Stock | 7665 | $13.11 | 37,935.0000 | 0 | 16.81% | 0.00% |
| Aug. 1, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | M | Common Stock | 12000 | $10.05 | 45,600.0000 | 0 | 35.71% | 0.00% |
| Aug. 1, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | M | Stock Option (right to buy) | 12000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| June 10, 2024 | Celcuity Inc. | $CELC | NIGON RICHARD | Director | X | Common Stock | 5061 | $9.50 | 101,093.0000 | 23,679,472 | 5.27% | 0.02% |
| June 10, 2024 | Celcuity Inc. | $CELC | NIGON RICHARD | Director | X | Warrants (right to buy) | 5061 | $0.00 | 17,807.0000 | 23,679,472 | 22.13% | 0.02% |
| June 4, 2024 | Celcuity Inc. | $CELC | NIGON RICHARD | Director | A | Stock Option (right to buy) | 8153 | $0.00 | 90,629.0000 | 23,679,472 | 9.89% | 0.03% |
| Sept. 1, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | A | Stock Option (right to buy) | 11905 | $0.00 | 11,905.0000 | 0 | 9999.99% | 0.00% |
| July 26, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | M | Common Stock | 12000 | $7.35 | 42,600.0000 | 0 | 39.22% | 0.00% |
| July 26, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | F | Common Stock | 7153 | $12.33 | 35,447.0000 | 0 | 16.79% | 0.00% |
| July 27, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | S | Common Stock | 1847 | $12.17 | 33,600.0000 | 0 | 5.21% | 0.00% |
| July 26, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | NIGON RICHARD | Director | M | Stock Option (right to buy) | 12000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| May 15, 2023 | Celcuity Inc. | $CELC | NIGON RICHARD | Director | A | Stock Option (right to buy) | 11645 | $0.00 | 82,476.0000 | 0 | 16.44% | 0.00% |