Who
Richard Nigon
Director
Company insider
Files Form 4 as: Director, Northern Technologies International; Director, Celcuity; Director, Tactile Systems Technology; Director, Vascular Solutions; Director, Virtual Radiologic; Director, Restore Medical; Director, Compex Technologies.
In numbers
- Trades disclosed
- 197
- Buys
- 19
- Sells
- 11
- Bought
- $1.8M
- Sold
- $2.3M
- Companies
- 7
- Companies where not an officer
- 7
- First trade
- 24 Feb 2006
- Last trade
- 1 Sep 2026
- Last filed
- 3 Sep 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 1 Sep 2026filed 3 Sep 2026 | NTIC Northern Technologies InternationalMachinery | SEC FORM 4 Code A | —7,426 at $0.00 | filing |
| 1 Sep 2026filed 3 Sep 2026 | NTIC Northern Technologies InternationalMachinery | SEC FORM 4 Code A | —7,426 at $0.00 | filing |
| 20 Jul 2026filed 21 Jul 2026 | NTIC Northern Technologies InternationalMachinery | SEC FORM 4 Code M | $80K12,000 at $6.70 | filing |
| 20 Jul 2026filed 21 Jul 2026 | NTIC Northern Technologies InternationalMachinery | SEC FORM 4 Sold | $96K12,000 at $8.00 | filing |
| 20 Jul 2026filed 21 Jul 2026 | NTIC Northern Technologies Internationaloption or derivative · Machinery | SEC FORM 4 Code M | —12,000 at $0.00 | filing |
| 20 Jul 2026filed 21 Jul 2026 | NTIC Northern Technologies Internationaloption or derivative · Machinery | SEC FORM 4 Code M | —12,000 at $0.00 | filing |
| 20 Jul 2026filed 21 Jul 2026 | NTIC Northern Technologies InternationalMachinery | SEC FORM 4 Code M | $80K12,000 at $6.70 | filing |
| 20 Jul 2026filed 21 Jul 2026 | NTIC Northern Technologies InternationalMachinery | SEC FORM 4 Sold | $96K12,000 at $8.00 | filing |
| 5 Jun 2026filed 9 Jun 2026 | CELC CelcuityBiotechnology | SEC FORM 4 Code A | —1,530 at $0.00 | filing |
| 5 Jun 2026filed 9 Jun 2026 | CELC CelcuityBiotechnology | SEC FORM 4 Code A | —1,530 at $0.00 | filing |
| 9 Apr 2026filed 13 Apr 2026 | CELC CelcuityBiotechnology | SEC FORM 4 Code G | —10,000 at $0.00 | filing |
| 9 Apr 2026filed 13 Apr 2026 | CELC CelcuityBiotechnology | SEC FORM 4 Code G | —10,000 at $0.00 | filing |
| 15 Dec 2025filed 9 Jan 2026 | CELC CelcuityBiotechnology | SEC FORM 4 Code G | —19,975 at $0.00 | filing |
| 15 Dec 2025filed 9 Jan 2026 | CELC CelcuityBiotechnology | SEC FORM 4 Code G | —19,975 at $0.00 | filing |
| 11 Sep 2025filed 15 Sep 2025 | CELC Celcuityoption or derivative · Biotechnology | SEC FORM 4 Code X | —4,672 at $0.00 | filing |
| 11 Sep 2025filed 15 Sep 2025 | CELC Celcuityoption or derivative · Biotechnology | SEC FORM 4 Code X | —3,245 at $0.00 | filing |
| 11 Sep 2025filed 15 Sep 2025 | CELC CelcuityBiotechnology | SEC FORM 4 Code X | $35K4,672 at $7.56 | filing |
| 11 Sep 2025filed 15 Sep 2025 | CELC CelcuityBiotechnology | SEC FORM 4 Code X | $25K3,245 at $7.56 | filing |
| 1 Sep 2025filed 3 Sep 2025 | NTIC Northern Technologies InternationalMachinery | SEC FORM 4 Code A | —8,086 at $0.00 | filing |
| 24 Jul 2025filed 28 Jul 2025 | NTIC Northern Technologies Internationaloption or derivative · Machinery | SEC FORM 4 Code M | —12,000 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.