# EDGAR Filing Document

**Accession Number:** 0000072162
**File Stem:** 0000072162-26-000022
**Filing Date:** 2026-3
**Character Count:** 1302
**Document Hash:** 1c5ed566ddb2a55f415e624366c49435
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000072162-26-000022.hdr.sgml**: 20260325

**ACCESSION NUMBER**: 0000072162-26-000022

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260325

**DATE AS OF CHANGE**: 20260325

**EFFECTIVENESS DATE**: 20260325

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NL INDUSTRIES INC
- **CENTRAL INDEX KEY:** 0000072162
- **STANDARD INDUSTRIAL CLASSIFICATION:** INDUSTRIAL INORGANIC CHEMICALS [2810]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 135267260
- **STATE OF INCORPORATION:** NJ
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-00640
- **FILM NUMBER:** 26792696

**BUSINESS ADDRESS:**
- **STREET 1:** 5430 LBJ FREEWAY
- **STREET 2:** SUITE 1700
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75240-2620
- **BUSINESS PHONE:** 972-233-1700

**MAIL ADDRESS:**
- **STREET 1:** 5430 LBJ FREEWAY
- **STREET 2:** SUITE 1700
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75240-2620

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONAL LEAD CO
- **DATE OF NAME CHANGE:** 19710520

### Attached PDF Documents

**Attachment 1:** `nl-20251231xars.pdf`

_No text found in this document._