Northern Technologies International Corporation (NASDAQ: NTIC) Stock Information | RedChip
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Northern Technologies International Corporation (NASDAQ: NTIC)
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$8.42
+0.1050 ( +1.26% ) 1.8K

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 $8.42
Previous Close $8.31
Volume 1.8K
Market Cap $78.88M
Day Range $8.27 - $8.47
52 Week Range $7.14 - $10.03
Shares Outstanding 9.49M
Change % +1.26%
Net Change ▲ 0.1050
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
2025-05-06 Buy 1100.00 von Falkenhausen Konstantin
2025-04-28 Buy 1000.00 Calderon Nancy E.
2024-08-02 Sale -12000.00 NIGON RICHARD
2024-08-01 Sale -8000.00 von Falkenhausen Konstantin
2024-07-17 Sale -7752.00 WOLSFELD MATTHEW C
2024-04-24 Buy 1275.00 Kemp Sarah E.
2023-09-06 Sale -33543.00 WOLSFELD MATTHEW C
2023-09-06 Sale -9921.00 Lee Sunggyu
2023-09-06 Sale -9921.00 Pinho Cristina Lucia Duarte
2023-09-06 Sale -9921.00 Kemp Sarah E.

SEC Filings


Form Type Description Pages Date
4 Insider transactions 1 Jul 28, 2025
10-q Quarterly Reports 82 Jul 11, 2025
8-k 8K-related 14 Jul 11, 2025

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