# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001171843-20-007980
Filing Date
2020-11-13
Accepted
2020-11-13 17:00:33
Documents
97
Period of Report
2020-08-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 10-K | f10k_111320p.htm | 10-K | 1020922
2 | EXHIBIT 4.2 | exh_42.htm | EX-4.2 | 19250
3 | EXHIBIT 21.1 | exh_211.htm | EX-21.1 | 15341
4 | EXHIBIT 23.1 | exh_231.htm | EX-23.1 | 2607
5 | EXHIBIT 31.1 | exh_311.htm | EX-31.1 | 7726
6 | EXHIBIT 31.2 | exh_312.htm | EX-31.2 | 8100
7 | EXHIBIT 32.1 | exh_321.htm | EX-32.1 | 4138
8 | EXHIBIT 32.2 | exh_322.htm | EX-32.2 | 3828
15 | GRAPHIC | lynch_sig.jpg | GRAPHIC | 3710
16 | GRAPHIC | wolsfeld_sig.jpg | GRAPHIC | 3611
| Complete submission text file | 0001171843-20-007980.txt |  | 5893816

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | XBRL INSTANCE FILE | ntic-20200831.xml | EX-101.INS | 929849
10 | XBRL SCHEMA FILE | ntic-20200831.xsd | EX-101.SCH | 75971
11 | XBRL CALCULATION FILE | ntic-20200831_cal.xml | EX-101.CAL | 71880
12 | XBRL DEFINITION FILE | ntic-20200831_def.xml | EX-101.DEF | 470419
13 | XBRL LABEL FILE | ntic-20200831_lab.xml | EX-101.LAB | 435234
14 | XBRL PRESENTATION FILE | ntic-20200831_pre.xml | EX-101.PRE | 517163

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.: 201312353
SIC: 3470 Coating, Engraving & Allied Services