Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-07-29 Sale | 2026-07-31 4:34 pm | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | LYNCH G PATRICK President and CEO 10% Owner | 16,072 | $7.9967 | $128,523 | 1,308,618 (Indirect Direct) | View |
| 2026-07-20 Sale | 2026-07-21 4:28 pm | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $8.004 | $96,048 | 47,148 (Direct) | View |
| 2025-05-06 Purchase | 2025-05-06 4:37 pm | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director | 1,100 | $7.23 | $7,953 | 18,219 (Direct) | View |
| 2025-04-25 Purchase | 2025-04-28 5:33 pm | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 1,000 | $7.452 | $7,452 | 7,954 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-09-04 Option Award | 2026-09-09 9:36 pm | N/A 2036-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Ramdas Gautam President and CEO | 59,083 | $0 | 134,210 (Direct) | View |
Ownership | 2026-09-09 9:25 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Ramdas Gautam President and CEO | 0 | $0 | 310,997 (Direct) | View |
Ownership | 2026-09-09 9:05 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Haglund Brian James Chief Operating Officer | 0 | $0 | 128,931 (Direct) | View |
| 2026-09-01 Option Award | 2026-09-04 07:54 am | N/A 2036-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | LYNCH G PATRICK President and CEO 10% Owner | 40,257 | $0 | 1,348,875 (Direct) | View |
| 2026-09-01 Option Award | 2026-09-03 9:58 pm | N/A 2036-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | WOLSFELD MATTHEW C CFO and Corporate Secretary | 29,755 | $0 | 200,721 (Direct) | View |
| 2026-09-01 Option Award | 2026-09-03 4:26 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 7,426 | $0 | 54,574 (Direct) | View |
| 2026-09-01 Option Award | 2026-09-03 4:23 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Lee Sunggyu Director | 6,188 | $0 | 9,507 (Direct) | View |
| 2026-09-01 Option Award | 2026-09-03 4:19 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Kemp Sarah E. Director | 6,188 | $0 | 22,458 (Direct) | View |
| 2026-09-01 Option Award | 2026-09-03 4:14 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Pinho Cristina Lucia Duarte Director | 6,188 | $0 | 16,698 (Direct) | View |
| 2026-09-01 Option Award | 2026-09-03 4:10 pm | 2027-09-01 2036-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director | 15,044 | $0 | 33,263 (Direct) | View |
| 2026-09-01 Option Award | 2026-09-03 4:07 pm | 2027-09-01 2036-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Narayan Ramani Director | 15,044 | $0 | 121,807 (Direct) | View |
| 2026-02-11 Acquisition | 2026-09-03 4:01 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 5 | $8.66 | 20,940 (Direct) | View |
| 2026-09-01 Option Award | 2026-09-03 4:01 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 6,188 | $0 | 20,940 (Direct) | View |
| 2025-11-12 Acquisition | 2026-09-03 4:01 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 5 | $8.12 | 20,940 (Direct) | View |
| 2026-07-29 Exercise | 2026-07-31 4:34 pm | N/A 2026-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | LYNCH G PATRICK President and CEO 10% Owner | 16,072 | $0 | 1,308,618 (Direct) | View |
| 2026-07-29 Exercise | 2026-07-31 4:34 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | LYNCH G PATRICK President and CEO 10% Owner | 16,072 | $6.7 | 1,308,618 (Direct) | View |
| 2026-07-20 Exercise | 2026-07-21 4:28 pm | N/A 2026-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $0 | 47,148 (Direct) | View |
| 2026-07-20 Exercise | 2026-07-21 4:28 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $6.7 | 47,148 (Direct) | View |
| 2026-07-01 Tax Withholding | 2026-07-02 4:44 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | WOLSFELD MATTHEW C CFO and Corporate Secretary | 9,169 | $8.68 | 170,966 (Direct) | View |
| 2026-07-01 Exercise | 2026-07-02 4:44 pm | N/A 2026-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | WOLSFELD MATTHEW C CFO and Corporate Secretary | 11,879 | $0 | 170,966 (Direct) | View |
| 2026-07-01 Exercise | 2026-07-02 4:44 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | WOLSFELD MATTHEW C CFO and Corporate Secretary | 11,879 | $6.7 | 170,966 (Direct) | View |
| 2025-09-01 Option Award | 2025-09-03 7:10 pm | N/A 2035-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | WOLSFELD MATTHEW C CFO and Corporate Secretary | 32,559 | $0 | 200,815 (Direct) | View |
| 2025-09-01 Option Award | 2025-09-03 7:02 pm | N/A 2035-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | LYNCH G PATRICK President and CEO 10% Owner | 44,051 | $0 | 1,352,669 (Direct) | View |
| 2025-09-01 Option Award | 2025-09-03 5:02 pm | 2026-09-01 2035-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director | 16,287 | $0 | 34,506 (Direct) | View |
| 2025-09-01 Option Award | 2025-09-03 4:59 pm | 2026-09-01 2035-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Lee Sunggyu Director | 16,287 | $0 | 19,606 (Direct) | View |
| 2025-09-01 Option Award | 2025-09-03 4:55 pm | 2026-09-01 2035-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Narayan Ramani Director | 16,287 | $0 | 123,050 (Direct) | View |
| 2025-09-01 Option Award | 2025-09-03 4:50 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 8,086 | $0 | 47,148 (Direct) | View |
| 2025-09-01 Option Award | 2025-09-03 4:46 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Kemp Sarah E. Director | 6,739 | $0 | 16,270 (Direct) | View |
| 2025-09-01 Option Award | 2025-09-03 4:42 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Pinho Cristina Lucia Duarte Director | 6,739 | $0 | 10,510 (Direct) | View |
| 2025-02-12 Acquisition | 2025-09-03 4:12 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 20 | $11.26 | 14,741 (Direct) | View |
| 2025-09-01 Option Award | 2025-09-03 4:12 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 6,739 | $0 | 14,741 (Direct) | View |
| 2025-05-14 Acquisition | 2025-09-03 4:12 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 6 | $7.35 | 14,741 (Direct) | View |
| 2024-11-13 Acquisition | 2025-09-03 4:12 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 17 | $13.29 | 14,741 (Direct) | View |
| 2025-08-13 Acquisition | 2025-09-03 4:12 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 5 | $7.72 | 14,741 (Direct) | View |
| 2025-07-24 Exercise | 2025-07-28 5:26 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $7.43 | 39,062 (Direct) | View |
| 2025-07-24 Tax Withholding | 2025-07-28 5:26 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 10,873 | $8.2 | 39,062 (Direct) | View |
| 2025-07-24 Exercise | 2025-07-28 5:26 pm | N/A 2025-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $0 | 39,062 (Direct) | View |
| 2024-09-01 Option Award | 2024-09-04 8:27 pm | 2025-09-01 2034-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director | 9,843 | $0 | 26,962 (Direct) | View |
| 2024-09-01 Option Award | 2024-09-04 8:20 pm | N/A 2034-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | WOLSFELD MATTHEW C CFO and Corporate Secretary | 33,156 | $0 | 201,332 (Direct) | View |
| 2024-09-01 Option Award | 2024-09-04 8:08 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Pinho Cristina Lucia Duarte Director | 3,771 | $0 | 3,771 (Direct) | View |
| 2024-09-01 Option Award | 2024-09-04 7:59 pm | 2025-09-01 2034-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Lee Sunggyu Director | 9,843 | $0 | 13,162 (Direct) | View |
| 2024-09-01 Option Award | 2024-09-04 7:59 pm | 2025-09-01 2034-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Narayan Ramani Director | 9,843 | $0 | 116,606 (Direct) | View |
| 2024-05-15 Acquisition | 2024-09-04 7:53 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 4 | $18.04 | 6,954 (Direct) | View |
| 2023-11-16 Acquisition | 2024-09-04 7:53 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 11 | $13.25 | 6,954 (Direct) | View |
| 2024-08-14 Acquisition | 2024-09-04 7:53 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 11 | $13.34 | 6,954 (Direct) | View |
| 2024-09-01 Option Award | 2024-09-04 7:53 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 3,771 | $0 | 6,954 (Direct) | View |
| 2023-11-16 Acquisition | 2024-09-04 7:53 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 6 | $12.01 | 6,954 (Direct) | View |
| 2024-02-14 Acquisition | 2024-09-04 7:53 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 5 | $13.63 | 6,954 (Direct) | View |
| 2024-08-14 Acquisition | 2024-09-04 7:53 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 6 | $11.99 | 6,954 (Direct) | View |
| 2024-05-15 Acquisition | 2024-09-04 7:53 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 13 | $11.83 | 6,954 (Direct) | View |
| 2024-02-14 Acquisition | 2024-09-04 7:53 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director | 11 | $13.47 | 6,954 (Direct) | View |
| 2024-09-01 Option Award | 2024-09-04 7:38 pm | N/A 2034-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | LYNCH G PATRICK President & CEO 10% Owner | 44,858 | $0 | 1,353,476 (Direct) | View |
| 2024-09-01 Option Award | 2024-09-04 7:24 pm | 2025-09-01 2034-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 11,811 | $0 | 49,746 (Direct) | View |
| 2024-09-01 Option Award | 2024-09-04 6:46 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Kemp Sarah E. Director | 3,771 | $0 | 9,531 (Direct) | View |
| 2024-08-26 Exercise | 2024-08-29 5:47 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | LYNCH G PATRICK President and CEO 10% Owner | 10,488 | $10.05 | 1,308,618 (Direct) | View |
| 2024-08-26 Exercise | 2024-08-29 5:47 pm | N/A 2024-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | LYNCH G PATRICK President and CEO 10% Owner | 10,488 | $0 | 1,308,618 (Direct) | View |
| 2024-08-26 Tax Withholding | 2024-08-29 5:47 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | LYNCH G PATRICK President and CEO 10% Owner | 7,710 | $13.67 | 1,308,618 (Direct) | View |
| 2024-08-01 Exercise | 2024-08-02 6:21 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $10.05 | 37,935 (Direct) | View |
| 2024-08-01 Tax Withholding | 2024-08-02 6:21 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 7,665 | $13.11 | 37,935 (Direct) | View |
| 2024-08-01 Exercise | 2024-08-02 6:21 pm | N/A 2024-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director | 12,000 | $0 | 37,935 (Direct) | View |
| 2024-07-31 Exercise | 2024-08-01 5:28 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director | 8,000 | $10.05 | 17,119 (Direct) | View |
| 2024-07-31 Tax Withholding | 2024-08-01 5:28 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director | 6,081 | $13.22 | 17,119 (Direct) | View |
| 2024-07-31 Exercise | 2024-08-01 5:28 pm | N/A 2024-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director | 8,000 | $0 | 17,119 (Direct) | View |
| 2024-07-15 Exercise | 2024-07-17 4:15 pm | N/A N/A | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | WOLSFELD MATTHEW C CFO and Corporate Secretary | 7,752 | $10.05 | 168,149 (Direct) | View |
| 2024-07-15 Exercise | 2024-07-17 4:15 pm | N/A 2024-08-31 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | WOLSFELD MATTHEW C CFO and Corporate Secretary | 7,752 | $0 | 168,149 (Direct) | View |