Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2023-07-27 Sale | 2023-07-27 5:48 pm | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 1,847 | $12.17 | $22,478 | 33,600 (Direct) | View |
| 2022-09-09 Purchase | 2022-09-13 5:15 pm | Celcuity Inc. | CELC | NIGON RICHARD Director | 5,000 | $8.9878 | $44,939 | 210,031 (Indirect Direct) | View |
| 2022-05-25 Purchase | 2022-05-26 4:16 pm | Celcuity Inc. | CELC | NIGON RICHARD Director | 754 | $5.9444 | $4,482 | 205,031 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-09-11 Exercise | 2025-09-15 4:12 pm | N/A N/A | Celcuity Inc. | CELC | NIGON RICHARD Director | 7,917 | $7.5628 | 109,010 (Direct) | View |
| 2025-09-11 Exercise | 2025-09-15 4:12 pm | N/A 2026-01-14 | Celcuity Inc. | CELC | NIGON RICHARD Director | 7,917 | $0 | 109,010 (Direct) | View |
| 2025-09-01 Option Award | 2025-09-03 4:50 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 8,086 | $0 | 47,148 (Direct) | View |
| 2025-07-24 Exercise | 2025-07-28 5:26 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $7.43 | 39,062 (Direct) | View |
| 2025-07-24 Exercise | 2025-07-28 5:26 pm | N/A 2025-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $0 | 39,062 (Direct) | View |
| 2025-07-24 Tax Withholding | 2025-07-28 5:26 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 10,873 | $8.2 | 39,062 (Direct) | View |
| 2025-05-19 Option Award | 2025-05-21 4:47 pm | N/A 2035-05-19 | Celcuity Inc. | CELC | NIGON RICHARD Director | 14,048 | $0 | 14,048 (Direct) | View |
| 2024-09-01 Option Award | 2024-09-04 7:24 pm | 2025-09-01 2034-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 11,811 | $0 | 49,746 (Direct) | View |
| 2024-08-01 Exercise | 2024-08-02 6:21 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $10.05 | 37,935 (Direct) | View |
| 2024-08-01 Tax Withholding | 2024-08-02 6:21 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 7,665 | $13.11 | 37,935 (Direct) | View |
| 2024-08-01 Exercise | 2024-08-02 6:21 pm | N/A 2024-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $0 | 37,935 (Direct) | View |
| 2024-06-10 Exercise | 2024-06-12 4:19 pm | N/A N/A | Celcuity Inc. | CELC | NIGON RICHARD Director | 5,061 | $9.5 | 209,529 (Direct) | View |
| 2024-06-10 Exercise | 2024-06-12 4:19 pm | N/A 2024-09-22 | Celcuity Inc. | CELC | NIGON RICHARD Director | 5,061 | $0 | 209,529 (Direct) | View |
| 2024-06-04 Option Award | 2024-06-06 4:16 pm | N/A 2034-06-04 | Celcuity Inc. | CELC | NIGON RICHARD Director | 8,153 | $0 | 209,529 (Direct) | View |
| 2023-09-01 Option Award | 2023-09-06 5:49 pm | 2024-09-01 2033-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 11,905 | $0 | 45,505 (Direct) | View |
| 2023-07-26 Exercise | 2023-07-27 5:48 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $7.35 | 33,600 (Direct) | View |
| 2023-07-26 Tax Withholding | 2023-07-27 5:48 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 7,153 | $12.33 | 33,600 (Direct) | View |
| 2023-07-26 Exercise | 2023-07-27 5:48 pm | N/A 2023-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $0 | 33,600 (Direct) | View |
| 2023-05-15 Option Award | 2023-05-17 4:21 pm | N/A 2033-05-15 | Celcuity Inc. | CELC | NIGON RICHARD Director | 11,645 | $0 | 201,376 (Direct) | View |
| 2022-09-01 Option Award | 2022-09-06 5:54 pm | 2023-09-01 2032-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,371 | $0 | 42,971 (Direct) | View |
| 2022-05-17 Option Award | 2022-05-19 8:43 pm | N/A 2027-10-19 | Celcuity Inc. | CELC | NIGON RICHARD Director | 45,523 | $0 | 204,277 (Direct) | View |
| 2021-09-01 Option Award | 2021-09-02 5:19 pm | 2022-09-01 2031-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 8,230 | $0 | 38,830 (Direct) | View |
| 2021-05-17 Option Award | 2021-05-19 4:10 pm | N/A N/A | TACTILE SYSTEMS TECHNOLOGY INC | TCMD | NIGON RICHARD Director | 2,490 | $0 | 116,250 (Direct) | View |
| 2021-05-12 Option Award | 2021-05-14 5:03 pm | N/A 2031-05-12 | Celcuity Inc. | CELC | NIGON RICHARD Director | 4,619 | $0 | 179,828 (Direct) | View |