NPK International Inc. reports

Company location: The Woodlands, TX
Fiscal year end: 31 December

NPK International Inc. has filed 1,590 SEC EDGAR filings since 06 Feb 1995

Filter by type:
10-K
10-Q
8-K
SC13D
SC13G

SEC filing history

Showing 326-350 of 1,000 matching filings.

Per page

25

Current page

14

10-Q File 001-02960

10-Q

Filing date: 03 Nov 2021
Reporting date: 30 Sep 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-02960

8-K

Filing date: 02 Nov 2021
Reporting date: 01 Nov 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 01 Sep 2021
Reporting date: 01 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3

PRIMARY DOCUMENT

Filing date: 01 Sep 2021
Reporting date: 01 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 01 Sep 2021
Reporting date: 01 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 27 Aug 2021
Reporting date: 26 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-02960

8-K

Filing date: 23 Aug 2021
Reporting date: 17 Aug 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Aug 2021
Reporting date: 14 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-02960

8-K

Filing date: 12 Aug 2021
Reporting date: 12 Aug 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 001-02960

10-Q

Filing date: 04 Aug 2021
Reporting date: 30 Jun 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-02960

8-K

Filing date: 03 Aug 2021
Reporting date: 03 Aug 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 16 Jul 2021
Reporting date: 15 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2021
Reporting date: 20 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2021
Reporting date: 20 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2021
Reporting date: 20 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2021
Reporting date: 20 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2021
Reporting date: 20 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2021
Reporting date: 20 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2021
Reporting date: 01 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2021
Reporting date: 01 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2021
Reporting date: 01 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2021
Reporting date: 01 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2021
Reporting date: 01 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2021
Reporting date: 01 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-A12B/A File 001-02960

8-A12B/A

Filing date: 24 May 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .