NPK International Inc. reports

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

NPK International Inc. has filed 1,601 SEC EDGAR filings since 06 Feb 1995

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SEC filing history

Showing 526-550 of 1,000 matching filings.

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25

Current page

22

4

PRIMARY DOCUMENT

Filing date: 21 May 2018
Reporting date: 17 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 21 May 2018
Reporting date: 17 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 21 May 2018
Reporting date: 17 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 21 May 2018
Reporting date: 17 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 21 May 2018
Reporting date: 17 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 21 May 2018
Reporting date: 17 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 May 2018
Reporting date: 16 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 May 2018
Reporting date: 16 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 May 2018
Reporting date: 16 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 May 2018
Reporting date: 16 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 May 2018
Reporting date: 16 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-02960

FORM 8-K

Filing date: 15 May 2018
Reporting date: 15 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 07 May 2018
Reporting date: 04 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 07 May 2018
Reporting date: 04 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

PRIMARY DOCUMENT

Filing date: 07 May 2018
Reporting date: 03 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 May 2018
Reporting date: 03 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 May 2018
Reporting date: 02 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 May 2018
Reporting date: 02 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 May 2018
Reporting date: 02 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 02 May 2018
Reporting date: 01 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-02960

FORM 10-Q

Filing date: 27 Apr 2018
Reporting date: 31 Mar 2018
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-02960

FORM 8-K

Filing date: 26 Apr 2018
Reporting date: 26 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 24 Apr 2018
Reporting date: 22 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-30300

SC 13G/A filing

Filing date: 10 Apr 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-02960

8-K

Filing date: 05 Apr 2018
Reporting date: 02 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

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