NPK International Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
The Woodlands, TX
SEC filing record 1 source field available
Fiscal year end
31 December
NPK International Inc. has filed 1,590 SEC EDGAR filings since 06 Feb 1995

SEC filing history

Showing 51-75 of 1,000 matching filings.

Per page
25
Current page
3
4/A

PRIMARY DOCUMENT

Filing date
21 Jan 2026
Reporting date
01 Jun 2025
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4

PRIMARY DOCUMENT

Filing date
25 Nov 2025
Reporting date
24 Nov 2025
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144 File 001-02960

144 filing

Filing date
24 Nov 2025
Reporting date
Not listed
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SCHEDULE 13G/A File 005-30300

SCHEDULE 13G/A filing

Filing date
14 Nov 2025
Reporting date
Not listed
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SCHEDULE 13G/A File 005-30300

SCHEDULE 13G/A filing

Filing date
09 Oct 2025
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
06 Oct 2025
Reporting date
03 Oct 2025
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4

PRIMARY DOCUMENT

Filing date
03 Oct 2025
Reporting date
01 Oct 2025
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144 File 001-02960

144 filing

Filing date
01 Oct 2025
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
04 Sep 2025
Reporting date
03 Sep 2025
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4

PRIMARY DOCUMENT

Filing date
26 Aug 2025
Reporting date
25 Aug 2025
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4

PRIMARY DOCUMENT

Filing date
26 Aug 2025
Reporting date
22 Aug 2025
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144 File 001-02960

144 filing

Filing date
22 Aug 2025
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
12 Aug 2025
Reporting date
11 Aug 2025
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4

PRIMARY DOCUMENT

Filing date
10 Jul 2025
Reporting date
09 Jul 2025
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4

PRIMARY DOCUMENT

Filing date
17 Jun 2025
Reporting date
16 Jun 2025
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