# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001171843-23-007230
Filing Date
2023-11-21
Accepted
2023-11-21 16:28:44
Documents
96
Period of Report
2023-08-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 10-K | ntic20230831_10k.htm iXBRL | 10-K | 1653986
2 | EXHIBIT 4.2 | ex_597032.htm | EX-4.2 | 31884
3 | EXHIBIT 21.1 | ex_597033.htm | EX-21.1 | 38181
4 | EXHIBIT 23.1 | ex_597034.htm | EX-23.1 | 2385
5 | EXHIBIT 31.1 | ex_597035.htm | EX-31.1 | 13706
6 | EXHIBIT 31.2 | ex_597036.htm | EX-31.2 | 14630
7 | EXHIBIT 32.1 | ex_597037.htm | EX-32.1 | 5373
8 | EXHIBIT 32.2 | ex_597038.htm | EX-32.2 | 5464
9 | EXHIBIT 97.1 | ex_597252.htm | EX-97.1 | 55487
| Complete submission text file | 0001171843-23-007230.txt |  | 8243387

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
10 | XBRL TAXONOMY EXTENSION SCHEMA | ntic-20230831.xsd | EX-101.SCH | 76560
11 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | ntic-20230831_def.xml | EX-101.DEF | 515212
12 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | ntic-20230831_lab.xml | EX-101.LAB | 450265
13 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | ntic-20230831_pre.xml | EX-101.PRE | 560115
14 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | ntic-20230831_cal.xml | EX-101.CAL | 71307
90 | EXTRACTED XBRL INSTANCE DOCUMENT | ntic20230831_10k_htm.xml | XML | 1071710

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.: 231428553
SIC: 3470 Coating, Engraving & Allied Services