NPKI
NPK International Inc. has filed 1,564 documents with the SEC between 1995 and 2026. The most frequent type is insider trade (628 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Annual report | 10-K | 2010-03-03 | 2009-12-31 |
| Major company event | 8-K | 2010-02-22 | 2010-02-22 |
| Major company event | 8-K | 2010-02-19 | 2010-02-18 |
| Passive ownership stake (update) | SC 13G/A | 2010-02-16 | - |
| Passive ownership stake (update) | SC 13G/A | 2010-02-16 | - |
| Passive ownership stake (update) | SC 13G/A | 2010-02-08 | - |
| Passive ownership stake | SC 13G | 2010-01-29 | - |
| Passive ownership stake (update) | SC 13G/A | 2010-01-25 | - |
| Passive ownership stake (update) | SC 13G/A | 2009-12-10 | - |
| Major company event | 8-K | 2009-12-07 | 2009-12-01 |
| Major company event | 8-K | 2009-11-20 | 2009-11-20 |
| Major company event | 8-K | 2009-11-04 | 2009-11-03 |
| Quarterly report | 10-Q | 2009-10-30 | 2009-09-30 |
| Major company event | 8-K | 2009-10-30 | 2009-10-29 |
| Insider trade | 4 | 2009-10-13 | 2009-10-11 |
| Insider trade | 4 | 2009-10-06 | 2009-10-02 |
| Proxy materials | DEFA14A | 2009-09-18 | - |
| Proxy statement | DEF 14A | 2009-09-18 | 2009-11-03 |
| Major company event | 8-K | 2009-08-19 | 2009-08-19 |
| Employee stock plan | S-8 | 2009-08-14 | - |
| PRE 14A | - | 2009-08-12 | 2009-10-08 |
| Passive ownership stake (update) | SC 13G/A | 2009-08-10 | - |
| Quarterly report | 10-Q | 2009-07-31 | 2009-06-30 |
| Major company event | 8-K | 2009-07-31 | 2009-07-30 |
| Major company event | 8-K | 2009-07-21 | 2009-07-17 |
| Major company event | 8-K | 2009-07-17 | 2009-07-16 |
| Major company event | 8-K | 2009-07-06 | 2009-06-30 |
| Insider trade | 4 | 2009-06-12 | 2009-06-10 |
| Insider trade | 4 | 2009-06-12 | 2009-06-10 |
| Insider trade | 4 | 2009-06-12 | 2009-06-10 |
| Insider trade | 4 | 2009-06-12 | 2009-06-10 |
| Insider trade | 4 | 2009-06-12 | 2009-06-10 |
| Insider trade | 4 | 2009-06-11 | 2009-06-10 |
| Insider trade | 4 | 2009-06-11 | 2009-06-10 |
| Insider trade | 4 | 2009-06-11 | 2009-06-10 |
| Insider trade | 4 | 2009-06-11 | 2009-06-10 |
| Insider trade | 4 | 2009-06-11 | 2009-06-10 |
| Insider trade | 4 | 2009-06-11 | 2009-06-10 |
| Insider trade | 4 | 2009-06-11 | 2009-06-10 |
| Annual report to shareholders | ARS | 2009-05-04 | 2008-12-31 |
| EFFECT | - | 2009-05-01 | - |
| Quarterly report | 10-Q | 2009-05-01 | 2009-03-31 |
| Major company event | 8-K | 2009-05-01 | 2009-04-30 |
| Passive ownership stake | SC 13G | 2009-05-01 | - |
| Company correspondence | CORRESP | 2009-04-29 | - |
| Proxy materials | DEFA14A | 2009-04-28 | - |
| Proxy statement | DEF 14A | 2009-04-28 | 2009-06-10 |
| Major company event | 8-K | 2009-04-23 | 2009-04-20 |
| Major company event | 8-K | 2009-03-24 | 2009-03-24 |
| Insider trade | 4 | 2009-03-24 | 2009-03-23 |