NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP
Nasdaq · SEC CIK 875582 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $224.6K 2 sales by 2 insiders
- Filings on record
- 80 since 2021-07-09, latest 2026-09-09 21:36
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| LYNCH G PATRICK | Pres, CEO, Dir, 10% | — | $128.5K |
| NIGON RICHARD | Dir | — | $96.0K |
| Ramdas Gautam | Pres, CEO | — | — |
| Pinho Cristina Lucia Duarte | Dir | — | — |
| Kemp Sarah E. | Dir | — | — |
| Calderon Nancy E. | Dir | — | — |
| Lee Sunggyu | Dir | — | — |
| WOLSFELD MATTHEW C | CFO, Corp. Sec | — | — |
Transactions 58
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-09-09 21:36 | 2026-09-04 | NTIC | Ramdas Gautam | Pres, CEO | A - Grant | $0.00 | +43.8K | 118.9K | +58% | $0 |
| 2026-09-03 16:26 | 2026-09-01 | NTIC | NIGON RICHARD | Dir | A - Grant | $0.00 | +7,426 | 54.6K | +16% | $0 | |
| 2026-09-03 16:23 | 2026-09-01 | NTIC | Lee Sunggyu | Dir | A - Grant | $0.00 | +6,188 | 9,507 | +186% | $0 | |
| 2026-09-03 16:19 | 2026-09-01 | NTIC | Kemp Sarah E. | Dir | A - Grant | $0.00 | +6,188 | 22.5K | +38% | $0 | |
| 2026-09-03 16:14 | 2026-09-01 | NTIC | Pinho Cristina Lucia Duarte | Dir | A - Grant | $0.00 | +6,188 | 16.7K | +59% | $0 | |
| M | 2026-09-03 16:01 | 2025-11-12+ | NTIC | Calderon Nancy E. | Dir | L - Small Acq | $8.38 | +10.12 | 14.8K | +0.1% | +$84.79 |
| 2026-09-03 16:01 | 2026-09-01 | NTIC | Calderon Nancy E. | Dir | A - Grant | $0.00 | +6,188 | 20.9K | +42% | $0 | |
| D | 2026-07-31 16:34 | 2026-07-29 | NTIC | LYNCH G PATRICK | Pres, CEO, Dir, 10% | M - OptEx | $6.70 | +16.1K | 121.4K | +15% | +$107.7K |
| DM | 2026-07-31 16:34 | 2026-07-29+ | NTIC | LYNCH G PATRICK | Pres, CEO, Dir, 10% | S - Sale+OE | $8.00 | -16.1K | 105.3K | -13% | -$128.5K |
| D | 2026-07-21 16:28 | 2026-07-20 | NTIC | NIGON RICHARD | Dir | M - OptEx | $6.70 | +12.0K | 59.1K | +25% | +$80.4K |
| D | 2026-07-21 16:28 | 2026-07-20 | NTIC | NIGON RICHARD | Dir | S - Sale+OE | $8.00 | -12.0K | 47.1K | -20% | -$96.0K |
| D | 2026-07-02 16:44 | 2026-07-01 | NTIC | WOLSFELD MATTHEW C | CFO, Corp. Sec | M - OptEx | $6.70 | +11.9K | 180.1K | +7% | +$79.6K |
| D | 2026-07-02 16:44 | 2026-07-01 | NTIC | WOLSFELD MATTHEW C | CFO, Corp. Sec | F - Tax | $8.68 | -9,169 | 171.0K | -5% | -$79.6K |
| 2025-09-03 | 2025-09-01 | NTIC | NIGON RICHARD | Dir | A - Grant | $0.00 | +8,086 | 47.1K | +21% | $0 | |
| 2025-09-03 | 2025-09-01 | NTIC | Pinho Cristina Lucia Duarte | Dir | A - Grant | $0.00 | +6,739 | 10.5K | +179% | $0 | |
| M | 2025-09-03 | 2024-11-13+ | NTIC | Calderon Nancy E. | Dir | L - Small Acq | $11.10 | +47.96 | 7,978 | +0.6% | +$532.25 |
| 2025-09-03 | 2025-09-01 | NTIC | Calderon Nancy E. | Dir | A - Grant | $0.00 | +6,739 | 14.7K | +84% | $0 | |
| 2025-09-03 | 2025-09-01 | NTIC | Kemp Sarah E. | Dir | A - Grant | $0.00 | +6,739 | 16.3K | +71% | $0 | |
| D | 2025-07-28 | 2025-07-24 | NTIC | NIGON RICHARD | Dir | M - OptEx | $7.43 | +12.0K | 49.9K | +32% | +$89.2K |
| D | 2025-07-28 | 2025-07-24 | NTIC | NIGON RICHARD | Dir | F - Tax | $8.20 | -10.9K | 39.1K | -22% | -$89.2K |
| 2025-05-06 | 2025-05-06 | NTIC | von Falkenhausen Konstantin | Dir | P - Purchase | $7.23 | +1,100 | 18.2K | +6% | +$7,953 | |
| 2025-04-28 | 2025-04-25 | NTIC | Calderon Nancy E. | Dir | P - Purchase | $7.45 | +1,000 | 7,954 | +14% | +$7,450 | |
| 2024-09-04 | 2024-09-01 | NTIC | Kemp Sarah E. | Dir | A - Grant | $0.00 | +3,771 | 9,531 | +65% | $0 | |
| M | 2024-09-04 | 2023-11-16+ | NTIC | Calderon Nancy E. | Dir | L - Small Acq | $13.13 | +67.19 | 3,154 | +2% | +$881.87 |
| 2024-09-04 | 2024-09-01 | NTIC | Calderon Nancy E. | Dir | A - Grant | $0.00 | +3,771 | 6,954 | +118% | $0 | |
| 2024-09-04 | 2024-09-01 | NTIC | Pinho Cristina Lucia Duarte | Dir | A - Grant | $0.00 | +3,771 | 3,771 | New | $0 | |
| D | 2024-08-29 | 2024-08-26 | NTIC | LYNCH G PATRICK | Pres, CEO, Dir, 10% | F - Tax | $13.67 | -7,710 | 105.3K | -7% | -$105.4K |
| D | 2024-08-29 | 2024-08-26 | NTIC | LYNCH G PATRICK | Pres, CEO, Dir, 10% | M - OptEx | $10.05 | +10.5K | 113.0K | +10% | +$105.4K |
| D | 2024-08-02 | 2024-08-01 | NTIC | NIGON RICHARD | Dir | M - OptEx | $10.05 | +12.0K | 45.6K | +36% | +$120.6K |
| D | 2024-08-02 | 2024-08-01 | NTIC | NIGON RICHARD | Dir | F - Tax | $13.11 | -7,665 | 37.9K | -17% | -$100.5K |
| D | 2024-08-01 | 2024-07-31 | NTIC | von Falkenhausen Konstantin | Dir | M - OptEx | $10.05 | +8,000 | 23.2K | +53% | +$80.4K |
| D | 2024-08-01 | 2024-07-31 | NTIC | von Falkenhausen Konstantin | Dir | F - Tax | $13.22 | -6,081 | 17.1K | -26% | -$80.4K |
| D | 2024-07-17 | 2024-07-15 | NTIC | WOLSFELD MATTHEW C | CFO, Corp. Sec | M - OptEx | $10.05 | +7,752 | 168.1K | +5% | +$77.9K |
| 2024-04-24 | 2024-04-23 | NTIC | Kemp Sarah E. | Dir | P - Purchase | $15.70 | +1,275 | 5,760 | +28% | +$20.0K | |
| DM | 2023-09-06 | 2022-11-16+ | NTIC | Calderon Nancy E. | Dir | L - Small Acq | $12.64 | +54.59 | 3,087 | +2% | +$689.91 |
| D | 2023-08-28 | 2023-08-28 | NTIC | von Falkenhausen Konstantin | Dir | M - OptEx | $7.35 | +8,000 | 15.2K | +111% | +$58.8K |
| D | 2023-08-21 | 2023-08-17 | NTIC | Lee Sunggyu | Dir | F - Tax | $12.56 | -4,681 | 3,319 | -59% | -$58.8K |
| D | 2023-08-21 | 2023-08-17 | NTIC | Lee Sunggyu | Dir | M - OptEx | $7.35 | +8,000 | 8,000 | New | +$58.8K |
| 2023-08-14 | 2023-08-14 | NTIC | Calderon Nancy E. | Dir | P - Purchase | $13.17 | +500 | 3,062 | +20% | +$6,585 | |
| D | 2023-08-10 | 2023-08-08 | NTIC | LYNCH G PATRICK | Pres, CEO, Dir, 10% | F - Tax | $13.36 | -6,387 | 102.5K | -6% | -$85.3K |
| D | 2023-08-10 | 2023-08-08 | NTIC | LYNCH G PATRICK | Pres, CEO, Dir, 10% | M - OptEx | $7.35 | +11.6K | 108.9K | +12% | +$85.3K |
| D | 2023-07-27 | 2023-07-26 | NTIC | NIGON RICHARD | Dir | M - OptEx | $7.35 | +12.0K | 42.6K | +39% | +$88.2K |
| D | 2023-07-27 | 2023-07-27 | NTIC | NIGON RICHARD | Dir | S - Sale+OE | $12.17 | -1,847 | 33.6K | -5% | -$22.5K |
| D | 2023-07-27 | 2023-07-26 | NTIC | NIGON RICHARD | Dir | F - Tax | $12.33 | -7,153 | 35.4K | -17% | -$88.2K |
| D | 2023-07-12 | 2023-07-11 | NTIC | WOLSFELD MATTHEW C | CFO, Corp. Sec | M - OptEx | $7.35 | +8,582 | 160.3K | +6% | +$63.1K |
| 2023-04-19 | 2023-04-18 | NTIC | Kemp Sarah E. | Dir | P - Purchase | $12.13 | +2,473 | 4,485 | +123% | +$30.0K | |
| 2023-01-31 | 2023-01-30 | NTIC | Calderon Nancy E. | Dir | P - Purchase | $12.92 | +500 | 2,562 | +24% | +$6,460 | |
| D | 2022-10-17 | 2022-10-14 | NTIC | von Falkenhausen Konstantin | Dir | M - OptEx | $5.13 | +6,000 | 7,200 | +500% | +$30.8K |
| D | 2022-10-06 | 2022-10-04 | NTIC | LYNCH G PATRICK | Pres, CEO, Dir, 10% | F - Tax | $13.83 | -13.6K | 97.3K | -12% | -$188.7K |
| D | 2022-10-06 | 2022-10-04 | NTIC | LYNCH G PATRICK | Pres, CEO, Dir, 10% | M - OptEx | $5.13 | +36.8K | 110.9K | +50% | +$188.9K |
| D | 2022-10-06 | 2022-10-04 | NTIC | WOLSFELD MATTHEW C | CFO, Corp. Sec | F - Tax | $13.83 | -10.1K | 151.7K | -6% | -$139.5K |
| D | 2022-10-06 | 2022-10-04 | NTIC | WOLSFELD MATTHEW C | CFO, Corp. Sec | M - OptEx | $5.13 | +27.2K | 161.8K | +20% | +$139.6K |
| DM | 2022-10-03 | 2022-09-29 | NTIC | Narayan Ramani | Dir | M - OptEx | $8.82 | +43.8K | 106.8K | +69% | +$385.9K |
| DM | 2022-09-06 | 2021-11-18+ | NTIC | Calderon Nancy E. | Dir | L - Small Acq | $12.35 | +46.22 | 2,049 | +2% | +$570.71 |
| D | 2022-04-25 | 2022-04-22 | NTIC | Narayan Ramani | Dir | M - OptEx | $7.43 | +8,000 | 63.0K | +15% | +$59.4K |
| M | 2022-01-13 | 2022-01-12 | NTIC | Kemp Sarah E. | Dir | P - Purchase | $14.91 | +2,012 | 2,012 | New | +$30.0K |
| DM | 2021-11-12 | 2021-11-12 | NTIC | Narayan Ramani | Dir | M - OptEx | $8.70 | +16.0K | 47.0K | +52% | +$139.2K |
| DM | 2021-07-09 | 2021-07-07 | NTIC | Keong Koh Soo | Dir | M - OptEx | $8.63 | +67.8K | 85.1K | +392% | +$584.5K |
Purchase Sale Sale after option exercise All abbreviations