# NPK International Inc. — DEF 14A

NPK International Inc. of THE WOODLANDS, TX filed a DEF 14A with the SEC on 2025-04-04. Industry: Services-Miscellaneous Equipment Rental & Leasing.

## Filing

- Filed: 2025-04-04
- Form: DEF 14A
- Accession: 0000071829-25-000030
- Registrant: NPK International Inc.
- CIK: 0000071829
- Industry (SIC): Services-Miscellaneous Equipment Rental & Leasing (7350)
- State of incorporation: DE
- Location: THE WOODLANDS, TX

## Documents (44)

_Showing 15 of 44 documents._

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | DEF 14A |
| 2 | EX-101.SCH | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT |
| 3 | EX-101.DEF | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT |
| 4 | EX-101.LAB | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT |
| 5 | EX-101.PRE | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT |
| 6 | GRAPHIC | nr-20250404\_g1.jpg |
| 7 | GRAPHIC | nr-20250404\_g10.jpg |
| 8 | GRAPHIC | nr-20250404\_g11.jpg |
| 9 | GRAPHIC | nr-20250404\_g12.jpg |
| 10 | GRAPHIC | nr-20250404\_g13.jpg |
| 11 | GRAPHIC | nr-20250404\_g14.jpg |
| 12 | GRAPHIC | nr-20250404\_g15.jpg |
| 13 | GRAPHIC | nr-20250404\_g16.jpg |
| 14 | GRAPHIC | nr-20250404\_g17.jpg |
| 15 | GRAPHIC | nr-20250404\_g18.jpg |

## Filing timeline for this registrant (60)

_Showing 12 of 60 filings._

| Filed | Form |
| --- | --- |
| [2026-04-09](https://search.stillhousedata.com/proxy/0000071829-26-000019) | DEFA14A |
| [2026-04-09](https://search.stillhousedata.com/proxy/0000071829-26-000017) | DEF 14A |
| [2025-04-04](https://search.stillhousedata.com/proxy/0000071829-25-000032) | DEFA14A |
| 2025-04-04 | DEF 14A |
| [2024-04-04](https://search.stillhousedata.com/proxy/0000071829-24-000027) | DEFA14A |
| [2024-04-04](https://search.stillhousedata.com/proxy/0000071829-24-000025) | DEF 14A |
| [2024-03-14](https://search.stillhousedata.com/proxy/0000071829-24-000013) | PRE 14A |
| [2023-04-06](https://search.stillhousedata.com/proxy/0000071829-23-000028) | DEFA14A |
| [2023-04-06](https://search.stillhousedata.com/proxy/0000071829-23-000026) | DEF 14A |
| [2022-04-08](https://search.stillhousedata.com/proxy/0000071829-22-000033) | DEFA14A |
| [2022-04-08](https://search.stillhousedata.com/proxy/0000071829-22-000030) | DEF 14A |
| [2021-04-08](https://search.stillhousedata.com/proxy/0000071829-21-000032) | DEFA14A |

## More

- [CIK 71829 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=71829&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000071829-25-000030.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.