Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001171843-25-007481
Filing Date
2025-11-20
Accepted
2025-11-20 16:00:58
Documents
100
Period of Report
2025-08-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K ntic20250831_10k.htm   iXBRL 10-K 1899270
2 EXHIBIT 19.1 ex_886693.htm EX-19.1 139812
3 EXHIBIT 21.1 ex_886679.htm EX-21.1 40822
4 EXHIBIT 23.1 ex_886680.htm EX-23.1 2171
5 EXHIBIT 31.1 ex_886681.htm EX-31.1 13093
6 EXHIBIT 31.2 ex_886682.htm EX-31.2 13009
7 EXHIBIT 32.1 ex_886683.htm EX-32.1 5348
8 EXHIBIT 32.2 ex_886684.htm EX-32.2 5758
  Complete submission text file 0001171843-25-007481.txt   9881685

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA ntic-20250831.xsd EX-101.SCH 83664
10 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE ntic-20250831_def.xml EX-101.DEF 589854
11 XBRL TAXONOMY EXTENSION LABEL LINKBASE ntic-20250831_lab.xml EX-101.LAB 521837
12 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE ntic-20250831_pre.xml EX-101.PRE 643979
13 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE ntic-20250831_cal.xml EX-101.CAL 75074
103 EXTRACTED XBRL INSTANCE DOCUMENT ntic20250831_10k_htm.xml XML 1433795
Mailing Address 4201 WOODLAND ROAD PO BOX 69 CIRCLE PINES MN 55014
Business Address 4201 WOODLAND ROAD PO BOX 69 CIRCLE PINES MN 55014 (763) 225-6601
NORTHERN TECHNOLOGIES INTERNATIONAL CORP (Filer) CIK: 0000875582 (see all company filings)

EIN.: 410857886 | State of Incorp.: DE | Fiscal Year End: 0831
Type: 10-K | Act: 34 | File No.: 001-11038 | Film No.: 251502972
SIC: 3470 Coating, Engraving & Allied Services
(CF Office: 04 Manufacturing)