Insider · CIK 0001589332
Barbara D. Colwell
Files at: NTIC. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Apr 28, 2015 PForm 4 → | Apr 29, 4:29 pm EDT | NORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC | 1,000 | $17.38 | $17,379 | 1,500 | +200% | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 1, 2018 AForm 4 → | Sep 5, 5:12 pm EDT | NORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC | 2,773 | — | — | 2,773 | — | |
| Sep 1, 2017 AForm 4 → | Sep 5, 4:44 pm EDT | NORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC | 4,000 | — | — | 4,000 | — | |
| Sep 1, 2016 AForm 4 → | Sep 6, 5:16 pm EDT | NORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC | 4,000 | — | — | 4,000 | — | |
| Sep 1, 2015 AForm 4 → | Sep 3, 5:24 pm EDT | NORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC | 4,000 | — | — | 4,000 | — |