NPK International Inc. - NPKI
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 32
Latest filed: May 21, 2026
| Form | Count |
|---|---|
| 4 | 19 |
| 8-K | 6 |
| 144 | 4 |
| SCHEDULE 13G/A | 2 |
| 4/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| May 21, 2026 | 4 | May 20, 2026 | 0001251678-26-000003 | View |
| May 21, 2026 | 4 | May 19, 2026 | 0001880836-26-000002 | View |
| May 21, 2026 | 4 | May 19, 2026 | 0001975485-26-000009 | View |
| May 21, 2026 | 4 | May 19, 2026 | 0001672978-26-000002 | View |
| May 21, 2026 | 4 | May 19, 2026 | 0001418328-26-000010 | View |
| May 21, 2026 | 4 | May 20, 2026 | 0001671928-26-000003 | View |
| May 21, 2026 | 4 | May 20, 2026 | 0001550150-26-000010 | View |
| May 21, 2026 | 4 | May 20, 2026 | 0001423238-26-000006 | View |
| May 21, 2026 | 4 | May 20, 2026 | 0001844492-26-000002 | View |
| May 21, 2026 | 4 | May 20, 2026 | 0001724571-26-000002 | View |
| May 20, 2026 | 8-K | May 20, 2026 | 0000071829-26-000032 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001423238-26-000004 | View |
| May 15, 2026 | 144 | — | 0001950047-26-004613 | View |
| May 01, 2026 | 8-K | May 01, 2026 | 0000071829-26-000030 | View |
| Apr 30, 2026 | 8-K | Apr 30, 2026 | 0000071829-26-000026 | View |
| Apr 10, 2026 | 4 | Apr 09, 2026 | 0001418328-26-000008 | View |
| Apr 09, 2026 | SCHEDULE 13G/A | — | 0000354204-26-000567 | View |
| Apr 03, 2026 | 4 | Apr 01, 2026 | 0001418328-26-000006 | View |
| Mar 27, 2026 | SCHEDULE 13G/A | — | 0000102909-26-002008 | View |
| Mar 26, 2026 | 4 | Mar 25, 2026 | 0000071829-26-000011 | View |
| Mar 18, 2026 | 4 | Mar 16, 2026 | 0001975485-26-000007 | View |
| Mar 10, 2026 | 4 | Mar 06, 2026 | 0001975485-26-000005 | View |
| Mar 06, 2026 | 144 | — | 0001950047-26-002323 | View |
| Mar 05, 2026 | 4 | Mar 04, 2026 | 0001418328-26-000002 | View |
| Mar 04, 2026 | 144 | — | 0001950047-26-002165 | View |
| Feb 26, 2026 | 8-K | Feb 26, 2026 | 0000071829-26-000006 | View |
| Feb 25, 2026 | 8-K | Feb 25, 2026 | 0000071829-26-000004 | View |
| Feb 25, 2026 | 4 | Feb 23, 2026 | 0001423238-26-000002 | View |
| Jan 21, 2026 | 4/A | Jun 01, 2025 | 0001975485-26-000003 | View |
| Nov 25, 2025 | 4 | Nov 24, 2025 | 0001423238-25-000004 | View |
| Nov 24, 2025 | 8-K | Nov 24, 2025 | 0000071829-25-000143 | View |
| Nov 24, 2025 | 144 | — | 0001950047-25-009249 | View |