Northern Technologies International Corporation develops and markets rust and corrosion inhibiting products and services in North America, South America, Europe, Asia, the Middle East and internationally. It offers rust and corrosion inhibiting products, such as plastic and paper packaging, liquids, coatings, rust removers, cleaners, diffusers, and engineered solutions designed for the oil and gas industry under the ZERUST brand. The company also provides a portfolio of bio-based and certified compostable polymer resin compounds and finished …
Over the last 12 months, insiders at Northern Technologies International Corporation have bought $20,018 and sold $0 worth of Northern Technologies International Corporation stock.
On average, over the past 5 years, insiders at Northern Technologies International Corporation have bought $23,288 and sold $22,478 worth of stock each year.
Highest buying activity among insiders over the last 12 months: Kemp Sarah E. (director) — $20,018.
The last purchase of 1,275 shares for transaction amount of $20,018 was made by Kemp Sarah E. (director) on 2024‑04‑23.
2024-04-23 | director | 1,275 0.0131% | $15.70 | $20,018 | -17.63% | |||
2023-08-14 | director | 500 0.0053% | $13.17 | $6,585 | -1.33% | |||
2023-07-27 | Sale | director | 1,847 0.0195% | $12.17 | $22,478 | +0.72% | ||
2023-04-18 | director | 2,473.37 0.0266% | $12.13 | $30,000 | +3.33% | |||
2023-01-30 | director | 500 0.0055% | $12.92 | $6,459 | -1.89% | |||
2022-01-12 | director | 2,012 0.0238% | $14.91 | $30,005 | -9.47% | |||
2021-01-25 | director | 1,000 0.0112% | $14.78 | $14,776 | +12.68% | |||
2020-07-23 | director | 1,000 0.0116% | $8.60 | $8,600 | +69.59% | |||
2015-07-24 | director | 600 0.0132% | $17.02 | $10,212 | -17.89% | |||
2015-04-28 | director | 1,000 0.0223% | $17.38 | $17,379 | -9.42% | |||
2014-04-16 | Sale | President and CEO | 12,000 0.2676% | $21.25 | $255,000 | -1.87% | ||
2013-11-26 | Sale | director | 1,500 0.0333% | $16.75 | $25,125 | +20.74% | ||
2013-04-22 | director | 2,000 0.045% | $10.99 | $21,980 | +54.93% | |||
2013-02-25 | Sale | director | 1,000 0.0227% | $13.29 | $13,285 | +12.68% | ||
2013-01-29 | Sale | director | 1,000 0.0239% | $13.10 | $13,100 | +9.03% | ||
2012-08-10 | Sale | director | 2,059 0.0468% | $9.85 | $20,289 | +12.56% | ||
2012-04-20 | director | 3,000 0.0673% | $13.00 | $38,999 | -14.98% | |||
2012-02-28 | Sale | director | 6,700 0.1457% | $15.20 | $101,840 | -28.26% | ||
2012-02-27 | Sale | director | 100 0.0024% | $15.70 | $1,570 | -24.00% | ||
2011-09-13 | Sale | President | 616 0.0136% | $14.80 | $9,117 | -14.66% |
Kemp Sarah E. | director | 5760 0.061% | $14.10 | 3 | 0 | <0.0001% |
NIGON RICHARD | director | 33600 0.3559% | $14.10 | 3 | 1 | +54.93% |
LAREAU RICHARD G | director | 29000 0.3072% | $14.10 | 1 | 0 | |
Calderon Nancy E. | director | 3062 0.0324% | $14.10 | 4 | 0 | +26.79% |
Colwell Barbara D. | director | 1500 0.0159% | $14.10 | 1 | 0 |
Punch & Associates Investment Management, Inc. | $6.61M | 5.21 | 491,627 | -5.31% | -$370,641.64 | 0.38 | |
The Vanguard Group | $5.82M | 4.59 | 432,959 | 0% | +$0 | <0.0001 | |
Needham Investment Management LLC | $5.38M | 4.24 | 400,000 | +53.85% | +$1.88M | 0.5 | |
Dimensional Fund Advisors | $4.53M | 3.57 | 336,954 | 0% | +$0 | <0.01 | |
Perritt Capital Management Inc | $3.39M | 2.67 | 252,039 | -1.82% | -$62,690.59 | 0.46 |