Data spanning the past 90 days through January 13, 2026 reveals that Northern Technologies International's three principal insider shareholders consist of Cfo And Corporate Secretary Matthew C Wolsfeld (168.15K shares), Director Ramani Narayan (106.76K shares), President And Ceo G Patrick Lynch (105.28K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Matthew C Wolsfeld | Cfo And Corporate Secretary | 168,149 | 17 Jul, 2024 |
| Ramani Narayan | 106,763 | 03 Oct, 2022 | |
| G Patrick Lynch | President And Ceo | 105,284 | 29 Aug, 2024 |
| Koh Soo Keong | 101,095 | 09 Jul, 2021 | |
| Richard Nigon | 47,148 | 03 Sep, 2025 | |
| Falkenhausen Konstantin Von | 18,219 | 06 May, 2025 | |
| Sarah E. Kemp | 16,270 | 03 Sep, 2025 | |
| Nancy E. Calderon | 14,741 | 03 Sep, 2025 | |
| Cristina Lucia Duarte Pinho | 10,510 | 03 Sep, 2025 | |
| Sunggyu Lee | 3,319 | 21 Aug, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 01 Sep, 2025 | Richard Nigon | Common Stock | A | 8,086 | $0.00 | 47,148 | D | A |
| 01 Sep, 2025 | Nancy E. Calderon | Common Stock | A | 6,739 | $0.00 | 14,741 | D | A |
| 01 Sep, 2025 | Sarah E. Kemp | Common Stock | A | 6,739 | $0.00 | 16,270 | D | A |
| 01 Sep, 2025 | Cristina Lucia Duarte Pinho | Common Stock | A | 6,739 | $0.00 | 10,510 | D | A |
| 13 Aug, 2025 | Nancy E. Calderon | Common Stock | A | 3 | $7.72 | 8,000 | D | L |
| 13 Aug, 2025 | Nancy E. Calderon | Common Stock | A | 3 | $7.72 | 8,002 | D | L |
| 24 Jul, 2025 | Richard Nigon | Common Stock | D | 10,873 | $8.20 | 39,062 | D | F |
| 24 Jul, 2025 | Richard Nigon | Common Stock | A | 12,000 | $7.43 | 49,935 | D | M |
| 14 May, 2025 | Nancy E. Calderon | Common Stock | A | 3 | $7.35 | 7,997 | D | L |
| 14 May, 2025 | Nancy E. Calderon | Common Stock | A | 3 | $7.35 | 7,994 | D | L |
| 06 May, 2025 | Falkenhausen Konstantin Von | Common Stock | A | 1,100 | $7.23 | 18,219 | D | P |
| 06 May, 2025 | Falkenhausen Konstantin Von | - | - | 18,219 | D | |||
| 25 Apr, 2025 | Nancy E. Calderon | Common Stock | A | 1,000 | $7.45 | 7,954 | D | P |
| 12 Feb, 2025 | Nancy E. Calderon | Common Stock | A | 6 | $11.26 | 7,978 | D | L |
| 12 Feb, 2025 | Nancy E. Calderon | Common Stock | A | 14 | $11.26 | 7,991 | D | L |
| 13 Nov, 2024 | Nancy E. Calderon | Common Stock | A | 5 | $13.29 | 7,960 | D | L |
| 13 Nov, 2024 | Nancy E. Calderon | Common Stock | A | 11 | $13.29 | 7,971 | D | L |
| 01 Sep, 2024 | Nancy E. Calderon | Common Stock | A | 3,771 | $0.00 | 6,954 | D | A |
| 01 Sep, 2024 | Sarah E. Kemp | Common Stock | A | 3,771 | $0.00 | 9,531 | D | A |
| 01 Sep, 2024 | Cristina Lucia Duarte Pinho | Common Stock | A | 3,771 | $0.00 | 3,771 | D | A |