Insider · CIK 0001213869
Richard Nigon
Files at: NTIC, CELC, TCMD, VASC. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 1, 2026 AForm 4 → | Sep 3, 4:26 pm EDT | NORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC | 7,426 | — | — | 54,574 | — | |
| Jul 20, 2026 SForm 4 → | Jul 21, 4:28 pm EDT | NORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC | 12,000 | $8.00 | $96,048 | 47,148 | −20.3% | |
| Jul 20, 2026 MForm 4 → | Jul 21, 4:28 pm EDT | NORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC | 12,000 | $6.70 | $80,400 | 59,148 | — | |
| Jun 5, 2026 AForm 4 → | Jun 9, 6:23 pm EDT | Celcuity Inc.CELC | 1,530 | — | — | 80,565 | — |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jul 20, 2026 MForm 4 → | Jul 21, 4:28 pm EDT | NORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC | 12,000 | — | — | 0 | — |