Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Northern Technologies International Corp (NTIC) since 2015 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Northern Technologies International Corp. Table 2 shows the detailed insider transactions. This company's CIK number is 875582.
Total stock buying since 2015: $174,240.
Total stock sales since 2015: $22,477.
Total stock option exercises since 2015: $2,374,326.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 4,100 | $30,309 | 0 | $0 | 12,000 | $89,160 |
| 2024 | 1,275 | $20,017 | 0 | $0 | 30,240 | $303,911 |
| 2023 | 3,473 | $43,038 | 1,847 | $22,477 | 48,192 | $354,210 |
| 2022 | 2,012 | $30,091 | 0 | $0 | 88,587 | $630,130 |
| 2021 | 1,000 | $14,776 | 0 | $0 | 83,763 | $717,624 |
| 2020 | 1,000 | $8,600 | 0 | $0 | 0 | $0 |
| 2017 | 0 | $0 | 0 | $0 | 13,500 | $138,375 |
| 2015 | 1,600 | $27,409 | 0 | $0 | 14,333 | $140,916 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-07 | 0 | $0 | 0 | $0 | 12,000 | $89,160 |
| 2025-05 | 1,100 | $7,953 | 0 | $0 | 0 | $0 |
| 2025-04 | 3,000 | $22,356 | 0 | $0 | 0 | $0 |
| 2024-08 | 0 | $0 | 0 | $0 | 22,488 | $226,004 |
| 2024-07 | 0 | $0 | 0 | $0 | 7,752 | $77,907 |
| 2024-04 | 1,275 | $20,017 | 0 | $0 | 0 | $0 |
| 2023-08 | 500 | $6,585 | 0 | $0 | 27,610 | $202,933 |
| 2023-07 | 0 | $0 | 1,847 | $22,477 | 20,582 | $151,277 |
| 2023-04 | 2,473 | $29,995 | 0 | $0 | 0 | $0 |
| 2023-01 | 500 | $6,458 | 0 | $0 | 0 | $0 |
| 2022-10 | 0 | $0 | 0 | $0 | 36,824 | $188,723 |
| 2022-09 | 0 | $0 | 0 | $0 | 43,763 | $382,007 |
| 2022-04 | 0 | $0 | 0 | $0 | 8,000 | $59,400 |
| 2022-01 | 2,012 | $30,091 | 0 | $0 | 0 | $0 |
| 2021-11 | 0 | $0 | 0 | $0 | 16,000 | $139,200 |
| 2021-07 | 0 | $0 | 0 | $0 | 67,763 | $578,424 |
| 2021-01 | 1,000 | $14,776 | 0 | $0 | 0 | $0 |
| 2020-07 | 1,000 | $8,600 | 0 | $0 | 0 | $0 |
| 2017-09 | 0 | $0 | 0 | $0 | 1,500 | $15,375 |
| 2017-08 | 0 | $0 | 0 | $0 | 8,000 | $82,000 |
| 2017-04 | 0 | $0 | 0 | $0 | 4,000 | $41,000 |
| 2015-08 | 0 | $0 | 0 | $0 | 8,000 | $78,080 |
| 2015-07 | 600 | $10,212 | 0 | $0 | 4,000 | $39,040 |
| 2015-04 | 1,000 | $17,197 | 0 | $0 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-07-24 | Nigon Richard (Director) | Option Ex | 12,000 | 7.43 | 89,160 |
| 2025-05-06 | Von Falkenhausen Konstantin (Director) | Buy | 1,100 | 7.23 | 7,953 |
| 2025-04-25 | Calderon Nancy E. (Director) | Buy | 2,000 | 7.45 | 14,904 |
| 2024-08-26 | Lynch G Patrick (President and CEO) | Option Ex | 10,488 | 10.05 | 105,404 |
| 2024-08-01 | Nigon Richard (Director) | Option Ex | 12,000 | 10.05 | 120,600 |
| 2024-07-15 | Wolsfeld Matthew C (CFO and Corporate Secretary) | Option Ex | 7,752 | 10.05 | 77,907 |
| 2024-04-23 | Kemp Sarah E. (Director) | Buy | 1,275 | 15.70 | 20,017 |
| 2023-08-28 | Von Falkenhausen Konstantin (Director) | Option Ex | 8,000 | 7.35 | 58,800 |
| 2023-08-17 | Lee Sunggyu (Director) | Option Ex | 8,000 | 7.35 | 58,800 |
| 2023-08-14 | Calderon Nancy E. (Director) | Buy | 500 | 13.17 | 6,585 |
| 2023-08-08 | Lynch G Patrick (President and CEO) | Option Ex | 11,610 | 7.35 | 85,333 |
| 2023-07-27 | Nigon Richard (Director) | Sale | 1,847 | 12.17 | 22,477 |
| 2023-07-26 | Nigon Richard (Director) | Option Ex | 12,000 | 7.35 | 88,200 |
| 2023-07-11 | Wolsfeld Matthew C (CFO and Corporate Secretary) | Option Ex | 8,582 | 7.35 | 63,077 |
| 2023-04-18 | Kemp Sarah E. (Director) | Buy | 2,473 | 12.13 | 29,995 |
| 2023-01-30 | Calderon Nancy E. (Director) | Buy | 500 | 12.92 | 6,458 |
| 2022-10-04 | Lynch G Patrick (President and CEO) | Option Ex | 36,824 | 5.12 | 188,723 |
| 2022-09-29 | Narayan Ramani (Director) | Option Ex | 43,763 | 8.73 | 382,007 |
| 2022-04-22 | Narayan Ramani (Director) | Option Ex | 8,000 | 7.42 | 59,400 |
| 2022-01-12 | Kemp Sarah E. (Director) | Buy | 2,012 | 14.96 | 30,091 |
| 2021-11-12 | Narayan Ramani (Director) | Option Ex | 16,000 | 8.70 | 139,200 |
| 2021-07-07 | Keong Koh Soo (Director) | Option Ex | 67,763 | 8.54 | 578,424 |
| 2021-01-25 | Calderon Nancy E. (Director) | Buy | 1,000 | 14.78 | 14,776 |
| 2020-07-23 | Calderon Nancy E. (Director) | Buy | 1,000 | 8.60 | 8,600 |
| 2017-09-07 | Nigon Richard (Director) | Option Ex | 1,500 | 10.25 | 15,375 |
| 2017-08-31 | Narayan Ramani (Director) | Option Ex | 4,000 | 10.25 | 41,000 |
| 2017-08-23 | Keong Koh Soo (Director) | Option Ex | 4,000 | 10.25 | 41,000 |
| 2017-04-27 | Nigon Richard (Director) | Option Ex | 4,000 | 10.25 | 41,000 |
| 2015-08-17 | Narayan Ramani (Director) | Option Ex | 4,000 | 9.76 | 39,040 |
| 2015-08-17 | Nigon Richard (Director) | Option Ex | 4,000 | 9.76 | 39,040 |
| 2015-07-24 | Von Falkenhausen Konstantin (Director) | Buy | 600 | 17.02 | 10,212 |
| 2015-07-03 | Keong Koh Soo (Director) | Option Ex | 4,000 | 9.76 | 39,040 |
| 2015-04-28 | Colwell Barbara D. (Director) | Buy | 1,000 | 17.20 | 17,197 |
| 2015-01-15 | Nigon Richard (Director) | Option Ex | 2,333 | 10.20 | 23,796 |
Insider trading activities including stock purchases, stock sales, and option exercises of NTIC listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Northern Technologies International Corp (symbol NTIC, CIK number 875582) see the Securities and Exchange Commission (SEC) website.