# NL INDUSTRIES INC — DEF 14A

NL INDUSTRIES INC of DALLAS, TX filed a DEF 14A with the SEC on 2026-03-25. Industry: Industrial Inorganic Chemicals.

## Filing

- Filed: 2026-03-25
- Form: DEF 14A
- Accession: 0000072162-26-000018
- Registrant: NL INDUSTRIES INC
- CIK: 0000072162
- Industry (SIC): Industrial Inorganic Chemicals (2810)
- State of incorporation: NJ
- Location: DALLAS, TX

## Documents (14)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | DEF 14A |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | GRAPHIC | GRAPHIC |
| 6 | GRAPHIC | GRAPHIC |
| 7 | GRAPHIC | GRAPHIC |
| 8 | GRAPHIC | GRAPHIC |
| 9 | GRAPHIC | GRAPHIC |
| 10 | EX-101.SCH | EX-101.SCH |
| 11 | EX-101.DEF | EX-101.DEF |
| 12 | EX-101.LAB | EX-101.LAB |
| 13 | EX-101.PRE | EX-101.PRE |
| 26 | XML | EXTRACTED XBRL INSTANCE DOCUMENT |

## Filing timeline for this registrant (45)

_Showing 12 of 45 filings._

| Filed | Form |
| --- | --- |
| [2026-03-25](https://search.stillhousedata.com/proxy/0000072162-26-000020) | DEFA14A |
| 2026-03-25 | DEF 14A |
| [2026-03-09](https://search.stillhousedata.com/proxy/0000072162-26-000013) | PRE 14A |
| [2025-03-31](https://search.stillhousedata.com/proxy/0000059255-25-000015) | DEFA14A |
| [2025-03-26](https://search.stillhousedata.com/proxy/0000072162-25-000013) | DEF 14A |
| [2024-03-27](https://search.stillhousedata.com/proxy/0000072162-24-000013) | DEF 14A |
| [2024-03-27](https://search.stillhousedata.com/proxy/0000059255-24-000016) | DEFA14A |
| [2023-03-29](https://search.stillhousedata.com/proxy/0000072162-23-000015) | DEF 14A |
| [2023-03-29](https://search.stillhousedata.com/proxy/0000059255-23-000016) | DEFA14A |
| [2022-03-30](https://search.stillhousedata.com/proxy/0000059255-22-000027) | DEFA14A |
| [2022-03-30](https://search.stillhousedata.com/proxy/0000059255-22-000020) | DEF 14A |
| [2021-03-31](https://search.stillhousedata.com/proxy/0000059255-21-000032) | DEFA14A |

## More

- [CIK 72162 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=72162&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000072162-26-000018.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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