NORTHERN TECHNOLOGIES INTERNATIONAL CORP（NTIC）内部人交易：高管与董事近期交易
过去 18 个月，共有 9 位内部人为 NORTHERN TECHNOLOGIES INTERNATIONAL CORP（NTIC）报告了 33 笔 Form 4 交易（最近一笔 2026-09-09）。
| 日期 | 内部人 | 职务 | 类型 | 股数 | 市值 |
|---|---|---|---|---|---|
| 2026-09-09 | Ramdas Gautam | President and CEO | 买入 | 43,805 | $0 |
| 2026-09-03 | NIGON RICHARD | 董事 | 买入 | 7,426 | $0 |
| 2026-09-03 | Lee Sunggyu | 董事 | 买入 | 6,188 | $0 |
| 2026-09-03 | Calderon Nancy E. | 董事 | 买入 | 3 | $20 |
| 2026-09-03 | Kemp Sarah E. | 董事 | 买入 | 6,188 | $0 |
| 2026-09-03 | Pinho Cristina Lucia Duarte | 董事 | 买入 | 6,188 | $0 |
| 2026-09-03 | Calderon Nancy E. | 董事 | 买入 | 3 | $22 |
| 2026-09-03 | Calderon Nancy E. | 董事 | 买入 | 2 | $20 |
| 2026-09-03 | Calderon Nancy E. | 董事 | 买入 | 3 | $22 |
| 2026-09-03 | Calderon Nancy E. | 董事 | 买入 | 6,188 | $0 |
| 2026-07-31 | LYNCH G PATRICK | President and CEO | 卖出 | 16,070 | $128,507 |
| 2026-07-31 | LYNCH G PATRICK | President and CEO | 卖出 | 2 | $16 |
| 2026-07-31 | LYNCH G PATRICK | President and CEO | 买入 | 16,072 | $107,682 |
| 2026-07-21 | NIGON RICHARD | 董事 | 买入 | 12,000 | $80,400 |
| 2026-07-21 | NIGON RICHARD | 董事 | 卖出 | 12,000 | $96,048 |
| 2026-07-02 | WOLSFELD MATTHEW C | CFO and Corporate Secretary | 买入 | 11,879 | $79,589 |
| 2026-07-02 | WOLSFELD MATTHEW C | CFO and Corporate Secretary | 卖出 | 9,169 | $79,587 |
| 2025-09-03 | Calderon Nancy E. | 董事 | 买入 | 5 | $72 |
| 2025-09-03 | Calderon Nancy E. | 董事 | 买入 | 11 | $151 |
| 2025-09-03 | Calderon Nancy E. | 董事 | 买入 | 6 | $72 |
| 2025-09-03 | Calderon Nancy E. | 董事 | 买入 | 14 | $152 |
| 2025-09-03 | Calderon Nancy E. | 董事 | 买入 | 3 | $20 |
| 2025-09-03 | Calderon Nancy E. | 董事 | 买入 | 3 | $22 |
| 2025-09-03 | Calderon Nancy E. | 董事 | 买入 | 3 | $20 |
| 2025-09-03 | Calderon Nancy E. | 董事 | 买入 | 3 | $22 |
来源：SEC Form 4 申报文件 · 截至 2026-09-09