NIGON RICHARD (CIK 1213869) reported 8 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-09). Recent activity: Buy CELC (1,530 shares), Sell CELC (10,000 shares), Sell CELC (19,975 shares), Buy CELC (4,672 shares), Buy CELC (3,245 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-09 | Celcuity Inc. (CELC) | Director | Buy | 1,530 | $0 |
| 2026-04-13 | Celcuity Inc. (CELC) | Director | Sell | 10,000 | $0 |
| 2026-01-09 | Celcuity Inc. (CELC) | Director | Sell | 19,975 | $0 |
| 2025-09-15 | Celcuity Inc. (CELC) | Director | Buy | 4,672 | $35,320 |
| 2025-09-15 | Celcuity Inc. (CELC) | Director | Buy | 3,245 | $24,532 |
| 2025-09-03 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC) | Director | Buy | 8,086 | $0 |
| 2025-07-28 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC) | Director | Buy | 12,000 | $89,160 |
| 2025-07-28 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC) | Director | Sell | 10,873 | $89,159 |
Source: SEC Form 4 filings · as of 2026-06-09