Richard Nigon

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
7 years
Director since
2023

7 years of board service in total across 2 boards, counting each seat separately. Longest: Celcuity Inc., 3 years.

Celcuity Inc. Director
3 years ยท Since 2023
3 years ยท Since 2023

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Jul 20, 2026 Northern Technologies International Corporation Option exercise +12,000 $6.70 $80,400
Jul 20, 2026 Northern Technologies International Corporation Open-market sale โˆ’12,000 $8.00 $96,048
Jun 5, 2026 Celcuity Inc. Grant or award +1,530 โ€” โ€”
Apr 9, 2026 Celcuity Inc. Gift โˆ’10,000 โ€” โ€”
Dec 15, 2025 Celcuity Inc. Gift โˆ’19,975 โ€” โ€”
Sep 11, 2025 Celcuity Inc. In-the-money exercise +4,672 $7.56 $35,320
Sep 11, 2025 Celcuity Inc. In-the-money exercise +3,245 $7.56 $24,532
Sep 1, 2025 Northern Technologies International Corporation Grant or award +8,086 โ€” โ€”
Jul 24, 2025 Northern Technologies International Corporation Option exercise +12,000 $7.43 $89,160
Jul 24, 2025 Northern Technologies International Corporation Shares withheld for tax โˆ’10,873 $8.20 $89,159
Aug 1, 2024 Northern Technologies International Corporation Option exercise +12,000 $10.05 $120,600
Aug 1, 2024 Northern Technologies International Corporation Shares withheld for tax โˆ’7,665 $13.11 $100,488
Jun 10, 2024 Celcuity Inc. In-the-money exercise +5,061 $9.50 $48,080
Jul 27, 2023 Northern Technologies International Corporation Open-market sale โˆ’1,847 $12.17 $22,478
Jul 26, 2023 Northern Technologies International Corporation Option exercise +12,000 $7.35 $88,200

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