NORTHERN TECHNOLOGIES INTERNATIONAL CORP reports

Company location: Circle Pines, MN
Fiscal year end: 31 August

NORTHERN TECHNOLOGIES INTERNATIONAL CORP has filed 774 SEC EDGAR filings since 11 Jul 1996

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SEC filing history

Showing 401-425 of 519 matching filings.

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PRIMARY DOCUMENT

Filing date: 19 Nov 2012
Reporting date: 16 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 16 Nov 2012
Reporting date: 14 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 16 Nov 2012
Reporting date: 14 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 25 Sep 2012
Reporting date: 24 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-11038

FORM 8-K

Filing date: 05 Sep 2012
Reporting date: 31 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 04 Sep 2012
Reporting date: 31 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 04 Sep 2012
Reporting date: 01 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 04 Sep 2012
Reporting date: 01 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 04 Sep 2012
Reporting date: 01 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 04 Sep 2012
Reporting date: 01 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 14 Aug 2012
Reporting date: 10 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-11038

FORM 10-Q

Filing date: 13 Jul 2012
Reporting date: 31 May 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-11038

FORM 8-K FILING DOCUMENT

Filing date: 11 Jul 2012
Reporting date: 11 Jul 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 23 Apr 2012
Reporting date: 20 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-11038

FORM 10-Q

Filing date: 12 Apr 2012
Reporting date: 29 Feb 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-11038

FORM 8-K FILING DOCUMENT

Filing date: 11 Apr 2012
Reporting date: 11 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 01 Mar 2012
Reporting date: 27 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-11038

FORM 8-K

Filing date: 03 Feb 2012
Reporting date: 02 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

S-8 POS File 333-32596

POST-EFFECTIVE AMENDMENT TO FORM S-8

Filing date: 03 Feb 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-11038

FORM 10-Q

Filing date: 13 Jan 2012
Reporting date: 30 Nov 2011
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-11038

FORM 8-K

Filing date: 11 Jan 2012
Reporting date: 11 Jan 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

ARS File 001-11038

AUTO-GENERATED PAPER DOCUMENT

Filing date: 20 Dec 2011
Reporting date: 31 Aug 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-11038

DEFINITIVE ADDITIONAL MATERIALS

Filing date: 19 Dec 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-11038

DEFINITIVE PROXY STATEMENT

Filing date: 19 Dec 2011
Reporting date: 02 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A File 005-47411

SCHEDULE 13D/A

Filing date: 02 Dec 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing