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 376-400 of 519 matching filings.

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25

Current page

16

4

PRIMARY DOCUMENT

Filing date: 29 Apr 2013
Reporting date: 29 Apr 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Apr 2013
Reporting date: 22 Apr 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-11038

FORM 10-Q

Filing date: 12 Apr 2013
Reporting date: 28 Feb 2013
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 2013
Reporting date: 11 Apr 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 25 Feb 2013
Reporting date: 25 Feb 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 Jan 2013
Reporting date: 29 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-11038

FORM 8-K

Filing date: 18 Jan 2013
Reporting date: 17 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-11038

FORM 10-Q

Filing date: 14 Jan 2013
Reporting date: 30 Nov 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 Jan 2013
Reporting date: 11 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-185271

EFFECT filing

Filing date: 18 Dec 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

ARS File 001-11038

AUTO-GENERATED PAPER DOCUMENT

Filing date: 05 Dec 2012
Reporting date: 30 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

S-3 File 333-185271

FORM S-3

Filing date: 05 Dec 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-11038

DEFINITIVE ADDITIONAL MATERIALS

Filing date: 05 Dec 2012
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: 05 Dec 2012
Reporting date: 17 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-11038

FORM 10-K

Filing date: 21 Nov 2012
Reporting date: 31 Aug 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: 20 Nov 2012
Reporting date: 20 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

PRIMARY DOCUMENT

Filing date: 19 Nov 2012
Reporting date: 01 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

PRIMARY DOCUMENT

Filing date: 19 Nov 2012
Reporting date: 31 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

PRIMARY DOCUMENT

Filing date: 19 Nov 2012
Reporting date: 01 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

PRIMARY DOCUMENT

Filing date: 19 Nov 2012
Reporting date: 01 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

PRIMARY DOCUMENT

Filing date: 19 Nov 2012
Reporting date: 01 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

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

4

PRIMARY DOCUMENT

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

4

PRIMARY DOCUMENT

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

4

PRIMARY DOCUMENT

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

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