Northern Technologies International Corporation (NASDAQ: NTIC) Stock Information | RedChip
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Northern Technologies International Corporation (NASDAQ: NTIC)
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$7.98
+0.0300 ( +0.38% ) 43.8K

Northern Technologies International Corp, or NTIC is a United States-based firm that develops and markets environmentally beneficial products and services world-wide either directly or through a network of joint ventures, distributors, and agents. It operates through two segments which include ZERUST products and services and Nature-Tec products. Its main business is providing corrosion prevention solutions that are marketed under the ZERUST brand. The company also sells a portfolio of bio-based and biodegradable (compostable) polymer resin compounds and finished products marketed under the Nature-Tec brand. The ZERUST brand generates a vast majority of the revenue for the company.

Market Data


Open $7.98
Previous Close $7.95
Volume 43.8K
Market Cap $75.46M
Day Range $7.90 - $8.14
52 Week Range $7.14 - $10.03
Shares Outstanding 9.49M
Change % +0.38%
Net Change ▲ 0.0300
Insider Ownership -0.01%
Exchange NASDAQ
SectorIndustrials
IndustryIndustrial Specialties
IPO Year1992
CountryUnited States

Insider Ownership Transactions

Total Amount Purchased: -191,932.18

Date Type Amount Purchased Purchaser
2023-09-06 Sale -33543.00 WOLSFELD MATTHEW C
2023-09-06 Sale -9921.00 von Falkenhausen Konstantin
2023-09-06 Sale -9921.00 Narayan Ramani
2023-09-06 Sale -9921.00 Lee Sunggyu
2023-09-06 Sale -9921.00 Pinho Cristina Lucia Duarte
2023-08-28 Sale -8000.00 von Falkenhausen Konstantin
2023-08-21 Sale -8000.00 Lee Sunggyu
2023-08-14 Buy 500.00 Calderon Nancy E.
2023-08-10 Sale -11610.00 LYNCH G PATRICK

SEC Filings


Form Type Description Pages Date
schedule Other 3 Nov 13, 2025
4 Insider transactions 1 Sep 03, 2025
4 Insider transactions 1 Sep 03, 2025
4 Insider transactions 1 Sep 03, 2025
4 Insider transactions 1 Sep 03, 2025
4 Insider transactions 1 Sep 03, 2025
4 Insider transactions 1 Sep 03, 2025
4 Insider transactions 1 Sep 03, 2025
4 Insider transactions 1 Sep 03, 2025
4 Insider transactions 1 Sep 03, 2025

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