Northern Technologies International Corporation
Last updated September 27, 2026
Organization details
- Legal name
- Northern Technologies International Corporation
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- NTIC
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000875582
Board of directors
-
Cristina Lucia Duarte Pinho · DirectorSince 2023
-
Falkenhausen Konstantin Von · DirectorSince 2023
-
G. Patrick Lynch · Director · President and CEOSince 2023
-
Nancy E. Calderon · DirectorSince 2023
-
Ramani Narayan · DirectorSince 2023
-
Richard Nigon · DirectorSince 2023
-
Sarah E. Kemp · DirectorSince 2023
-
Sunggyu Lee · DirectorSince 2023
Chief executives
G. Patrick Lynch
· President & CEO
Dates unknown
Board connections
2 of this board's directors also sit on 2 other boards.
- via Nancy E. Calderon
- via Richard Nigon
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.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 1, 2025 | Richard Nigon Director | Grant or award | +8,086 | — | — |
| Sep 1, 2025 | Sarah E. Kemp Director | Grant or award | +6,739 | — | — |
| Sep 1, 2025 | Cristina Lucia Duarte Pinho Director | Grant or award | +6,739 | — | — |
| Sep 1, 2025 | Nancy E. Calderon Director | Grant or award | +6,739 | — | — |
| Aug 13, 2025 | Nancy E. Calderon Director | Small acquisition | +3 | $7.72 | $20 |
| Aug 13, 2025 | Nancy E. Calderon Director | Small acquisition | +3 | $7.72 | $22 |
| Jul 24, 2025 | Richard Nigon Director | Option exercise | +12,000 | $7.43 | $89,160 |
| Jul 24, 2025 | Richard Nigon Director | Shares withheld for tax | −10,873 | $8.20 | $89,159 |
| May 14, 2025 | Nancy E. Calderon Director | Small acquisition | +3 | $7.35 | $20 |
| May 14, 2025 | Nancy E. Calderon Director | Small acquisition | +3 | $7.35 | $22 |
| May 6, 2025 | Falkenhausen Konstantin Von Director | Open-market purchase | +1,100 | $7.23 | $7,953 |
| Apr 25, 2025 | Nancy E. Calderon Director | Open-market purchase | +1,000 | $7.45 | $7,450 |
| Feb 12, 2025 | Nancy E. Calderon Director | Small acquisition | +6 | $11.26 | $72 |
| Feb 12, 2025 | Nancy E. Calderon Director | Small acquisition | +14 | $11.26 | $152 |
| Nov 13, 2024 | Nancy E. Calderon Director | Small acquisition | +5 | $13.29 | $72 |
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