SEC EDGAR filings, ownership reports, and insider transactions for NL INDUSTRIES INC.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 Nov 2025 | 30 Sep 2025 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 06 Nov 2025 | 06 Nov 2025 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 30 Oct 2025 | 30 Oct 2025 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 15 Sep 2025 | 15 Sep 2025 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 06 Aug 2025 | 06 Aug 2025 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 Aug 2025 | 30 Jun 2025 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 17 Jul 2025 | 17 Jul 2025 | 001-00640 |
| SD | Open Document | Open Filing | NL INDUSTRIES, INC. FORM SD | 20 May 2025 | 001-00640 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 May 2025 | 15 May 2025 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 May 2025 | 15 May 2025 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 May 2025 | 15 May 2025 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 May 2025 | 15 May 2025 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 May 2025 | 15 May 2025 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 May 2025 | 15 May 2025 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 15 May 2025 | 15 May 2025 | 001-00640 |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 15 May 2025 | 15 May 2025 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 May 2025 | 31 Mar 2025 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 07 May 2025 | 07 May 2025 | 001-00640 |
| ARS | Open Document | Open Filing | 31 Mar 2025 | 31 Dec 2024 | 001-00640 | |
| DEFA14A | Open Document | Open Filing | NL INDUSTRIES, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS | 31 Mar 2025 | 001-00640 | |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | 26 Mar 2025 | 15 May 2025 | 001-00640 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 13 Mar 2025 | 12 Mar 2025 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 12 Mar 2025 | 11 Mar 2025 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 12 Mar 2025 | 11 Mar 2025 | |
| 10-K | Open Document | Data | Open Filing | 10-K | 06 Mar 2025 | 31 Dec 2024 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 06 Mar 2025 | 06 Mar 2025 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 27 Feb 2025 | 27 Feb 2025 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 13 Feb 2025 | 10 Feb 2025 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 19 Dec 2024 | 19 Dec 2024 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 06 Nov 2024 | 06 Nov 2024 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 Nov 2024 | 30 Sep 2024 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 31 Oct 2024 | 31 Oct 2024 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 05 Sep 2024 | 04 Sep 2024 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 07 Aug 2024 | 07 Aug 2024 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Aug 2024 | 30 Jun 2024 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 30 Jul 2024 | 30 Jul 2024 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 17 Jul 2024 | 16 Jul 2024 | 001-00640 |
| SD | Open Document | Open Filing | NL INDUSTRIES, INC. FORM SD | 21 May 2024 | 001-00640 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2024 | 16 May 2024 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2024 | 16 May 2024 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2024 | 16 May 2024 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2024 | 16 May 2024 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2024 | 16 May 2024 | |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2024 | 16 May 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 16 May 2024 | 16 May 2024 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 08 May 2024 | 08 May 2024 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 May 2024 | 31 Mar 2024 | 001-00640 |
| ARS | Open Document | Open Filing | NL INDUSTRIES, INC. ANNUAL REPORT | 01 Apr 2024 | 31 Dec 2023 | 001-00640 |
| DEFA14A | Open Document | Open Filing | NL INDUSTRIES, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS | 27 Mar 2024 | 001-00640 | |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | 27 Mar 2024 | 16 May 2024 | 001-00640 |
| 10-K | Open Document | Data | Open Filing | 10-K | 06 Mar 2024 | 31 Dec 2023 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 06 Mar 2024 | 06 Mar 2024 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 28 Feb 2024 | 28 Feb 2024 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 12 Feb 2024 | 12 Feb 2024 | 001-00640 |
| S-8 | Open Document | Open Filing | NL INDUSTRIES, INC. FORM S-8 | 02 Nov 2023 | 333-275275 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 02 Nov 2023 | 02 Nov 2023 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 02 Nov 2023 | 30 Sep 2023 | 001-00640 |
| S-8 POS | Open Document | Open Filing | POST-EFFECTIVE AMENDMENT NO. 1 NL INDUSTRIES, INC. | 01 Nov 2023 | 333-181792 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 31 Oct 2023 | 26 Oct 2023 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 26 Oct 2023 | 26 Oct 2023 | 001-00640 |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 26 Oct 2023 | 26 Oct 2023 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 02 Aug 2023 | 02 Aug 2023 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 02 Aug 2023 | 30 Jun 2023 | 001-00640 |
| SD | Open Document | Open Filing | NL INDUSTRIES, INC. | 19 May 2023 | 001-00640 | |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 18 May 2023 | 18 May 2023 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 09 May 2023 | 08 May 2023 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 03 May 2023 | 31 Mar 2023 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 03 May 2023 | 03 May 2023 | 001-00640 |
| ARS | Open Document | Open Filing | NL ARS | 30 Mar 2023 | 31 Dec 2022 | 001-00640 |
| DEFA14A | Open Document | Open Filing | NL INDUSTRIES, INC. DEF A14A | 29 Mar 2023 | 001-00640 | |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | 29 Mar 2023 | 001-00640 | |
| 10-K | Open Document | Data | Open Filing | 10-K | 08 Mar 2023 | 31 Dec 2022 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 08 Mar 2023 | 08 Mar 2023 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 27 Feb 2023 | 23 Feb 2023 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 23 Feb 2023 | 23 Feb 2023 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 16 Dec 2022 | 12 Dec 2022 | 001-00640 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 06 Dec 2022 | 06 Dec 2022 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 09 Nov 2022 | 09 Nov 2022 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K NL INDUSTRIES, INC. DATED NOVEMBER 2, 2022 | 02 Nov 2022 | 02 Nov 2022 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 02 Nov 2022 | 30 Sep 2022 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 8-K | 27 Oct 2022 | 27 Oct 2022 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 10, 2022 | 10 Aug 2022 | 10 Aug 2022 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 03 Aug 2022 | 30 Jun 2022 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 3, 2022 | 03 Aug 2022 | 03 Aug 2022 | 001-00640 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 02 Jun 2022 | 01 Jun 2022 | |
| SD | Open Document | Open Filing | NL INDUSTRIES, INC. FORM SD | 27 May 2022 | 001-00640 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 19 May 2022 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 19 May 2022 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 19 May 2022 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 19 May 2022 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 19 May 2022 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 19 May 2022 | |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2022 | 19 May 2022 | |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2022 | 19 May 2022 | |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 19, 2022 | 19 May 2022 | 19 May 2022 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 4, 2022 | 04 May 2022 | 04 May 2022 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 04 May 2022 | 31 Mar 2022 | 001-00640 |
| DEFA14A | Open Document | Open Filing | NL INDUSTRIES, INC. DEF A14A | 30 Mar 2022 | 001-00640 | |
| DEF 14A | Open Document | Open Filing | NL INDUSTRIES, INC. DEF14A | 30 Mar 2022 | 19 May 2022 | 001-00640 |
| 10-K | Open Document | Data | Open Filing | 10-K | 09 Mar 2022 | 31 Dec 2021 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 9, 2022 | 09 Mar 2022 | 09 Mar 2022 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 2, 2022 | 02 Mar 2022 | 02 Mar 2022 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 4, 2021 | 04 Nov 2021 | 04 Nov 2021 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 04 Nov 2021 | 30 Sep 2021 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED OCTOBER 28, 2021 | 28 Oct 2021 | 28 Oct 2021 | 001-00640 |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 28 Oct 2021 | 28 Oct 2021 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 04 Aug 2021 | 30 Jun 2021 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 4, 2021 | 04 Aug 2021 | 04 Aug 2021 | 001-00640 |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 02 Jun 2021 | 01 Jun 2021 | |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED JUNE 1, 2021 | 02 Jun 2021 | 01 Jun 2021 | 001-00640 |
| SD | Open Document | Open Filing | NL INDUSTRIES, INC. FORM SD FILED MAY 24, 2021 | 24 May 2021 | 001-00640 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 21 May 2021 | 20 May 2021 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 21 May 2021 | 20 May 2021 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 21 May 2021 | 20 May 2021 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 21 May 2021 | 20 May 2021 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 21 May 2021 | 20 May 2021 | |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 20, 2021 | 20 May 2021 | 20 May 2021 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 5, 2021 | 05 May 2021 | 05 May 2021 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 05 May 2021 | 31 Mar 2021 | 001-00640 |
| 8-K/A | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K/A DATED APRIL 20, 2021 | 26 Apr 2021 | 20 Apr 2021 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED APRIL 20, 2021 | 23 Apr 2021 | 20 Apr 2021 | 001-00640 |
| DEFA14A | Open Document | Open Filing | NL INDUSTRIES, INC. NOTICE | 31 Mar 2021 | 001-00640 | |
| DEF 14A | Open Document | Open Filing | NL INDUSTRIES, INC. SCHEDULE 14A | 31 Mar 2021 | 20 May 2021 | 001-00640 |
| 4/A | Open Document | Open Filing | AMENDED STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 11 Mar 2021 | 22 May 2014 | |
| 10-K | Open Document | Data | Open Filing | 10-K | 10 Mar 2021 | 31 Dec 2020 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8K DATED MARCH 10, 2021 | 10 Mar 2021 | 10 Mar 2021 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 3, 2021 | 03 Mar 2021 | 03 Mar 2021 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 4, 2020 | 04 Nov 2020 | 04 Nov 2020 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 04 Nov 2020 | 30 Sep 2020 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8K DATED OCTOBER 29, 2020 | 29 Oct 2020 | 29 Oct 2020 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 5, 2020 | 05 Aug 2020 | 05 Aug 2020 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 05 Aug 2020 | 30 Jun 2020 | 001-00640 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2020 | 01 Jun 2020 | |
| SD | Open Document | Open Filing | FORM SD SPECIALIZED DISCLOSURE REPORT, NL INDUSTRIES, INC. | 26 May 2020 | 001-00640 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2020 | 21 May 2020 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2020 | 21 May 2020 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2020 | 21 May 2020 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2020 | 21 May 2020 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2020 | 21 May 2020 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8K, DATED MAY 21, 2020 | 21 May 2020 | 21 May 2020 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 6, 2020 | 06 May 2020 | 06 May 2020 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 May 2020 | 31 Mar 2020 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED APRIL 22, 20202 | 28 Apr 2020 | 22 Apr 2020 | 001-00640 |
| SC 13D/A | Open Document | Open Filing | NL INDUSTRIES, INC. SCHEDULE 13D AMENDMENT NO. 74 | 28 Apr 2020 | 005-35697 | |
| DEFA14A | Open Document | Open Filing | NL INDUSTRIES, INC. NOTICE | 02 Apr 2020 | 001-00640 | |
| DEF 14A | Open Document | Open Filing | NL INDUSTRIES, INC. SCHEDULE 14A | 02 Apr 2020 | 21 May 2020 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 13, 2020 | 18 Mar 2020 | 13 Mar 2020 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2020 | 13 Mar 2020 | |
| 10-K | Open Document | Data | Open Filing | 10-K | 11 Mar 2020 | 31 Dec 2019 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 11, 2020 | 11 Mar 2020 | 11 Mar 2020 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED FEBRUARY 19, 2020 | 19 Feb 2020 | 19 Feb 2020 | 001-00640 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2020 | 16 May 2019 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 7, 2019 | 07 Nov 2019 | 07 Nov 2019 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Nov 2019 | 30 Sep 2019 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED SEPTEMBER 3, 2019 | 04 Sep 2019 | 03 Sep 2019 | 001-00640 |
| SC 13D/A | Open Document | Open Filing | NL INDUSTRIES, INC. SCHEDULE 13D | 04 Sep 2019 | 005-35697 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 7, 2019 | 07 Aug 2019 | 07 Aug 2019 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Aug 2019 | 30 Jun 2019 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED JULY 24, 2019 | 26 Jul 2019 | 24 Jul 2019 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED JULY 16, 2019 | 22 Jul 2019 | 16 Jul 2019 | 001-00640 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2019 | 01 Jun 2019 | |
| SD | Open Document | Open Filing | NL INDUSTRIES, INC. FORM SD DATED MAY 29, 2019 | 29 May 2019 | 001-00640 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 16, 2019 | 23 May 2019 | 16 May 2019 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2019 | 16 May 2019 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2019 | 16 May 2019 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2019 | 16 May 2019 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2019 | 16 May 2019 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2019 | 16 May 2019 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8K DATED MAY 16, 2019 | 16 May 2019 | 16 May 2019 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 9, 2019 | 09 May 2019 | 09 May 2019 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | NL 1Q19 | 09 May 2019 | 31 Mar 2019 | 001-00640 |
| DEFA14A | Open Document | Open Filing | NL INDUSTRIES, INC. | 26 Mar 2019 | 001-00640 | |
| DEF 14A | Open Document | Open Filing | NL INDUSTRIES, INC. SCHEDULE 14A | 26 Mar 2019 | 16 May 2019 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 18, 2019 | 22 Mar 2019 | 18 Mar 2019 | 001-00640 |
| 10-K | Open Document | Data | Open Filing | 10-K | 11 Mar 2019 | 31 Dec 2018 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 11, 2019 | 11 Mar 2019 | 08 Mar 2019 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2019 | 31 Dec 2018 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 7, 2018 | 07 Nov 2018 | 07 Nov 2018 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Nov 2018 | 30 Sep 2018 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 7, 2018 | 07 Aug 2018 | 07 Aug 2018 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Aug 2018 | 30 Jun 2018 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jul 2018 | 17 Jul 2018 | 001-13905 |
| SD | Open Document | Open Filing | NL INDUSTRIES, INC. FORM SD | 24 May 2018 | 001-00640 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2018 | 17 May 2018 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2018 | 17 May 2018 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2018 | 17 May 2018 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2018 | 17 May 2018 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2018 | 17 May 2018 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2018 | 17 May 2018 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 17, 2018 | 17 May 2018 | 17 May 2018 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 May 2018 | 31 Mar 2018 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 8, 2018 | 08 May 2018 | 08 May 2018 | 001-00640 |
| DEFA14A | Open Document | Open Filing | NL INDUSTRIES, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS | 28 Mar 2018 | 001-00640 | |
| DEF 14A | Open Document | Open Filing | NL INDUSTRIES, INC. SCHEDULE 14A DATED MAY 17, 2018 | 28 Mar 2018 | 17 May 2018 | 001-00640 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Mar 2018 | 15 Mar 2018 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 15, 2018 | 19 Mar 2018 | 15 Mar 2018 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 12, 2018 | 12 Mar 2018 | 12 Mar 2018 | 001-00640 |
| 10-K | Open Document | Data | Open Filing | 10-K | 12 Mar 2018 | 31 Dec 2017 | 001-00640 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2018 | 31 Dec 2017 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 8, 2017 | 08 Nov 2017 | 08 Nov 2017 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 3Q17 10-Q | 08 Nov 2017 | 30 Sep 2017 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES FORM 8-K DATED SEPTEMBER 26, 2017 | 28 Sep 2017 | 26 Sep 2017 | 001-00640 |
| 8-K | Open Document | Open Filing | FORM 8K FOR NL INDUSTRIES, INC. DATED SEPTEMBER 13, 2017 | 15 Sep 2017 | 13 Sep 2017 | 001-00640 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2017 | 21 Aug 2017 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 Aug 2017 | 30 Jun 2017 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 7, 2017 | 08 Aug 2017 | 07 Aug 2017 | 001-00640 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2017 | 18 May 2017 | |
| SD | Open Document | Open Filing | NL INDUSTRIES, INC. FORM SD | 30 May 2017 | 001-00640 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2017 | 18 May 2017 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2017 | 18 May 2017 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2017 | 18 May 2017 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2017 | 18 May 2017 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2017 | 18 May 2017 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2017 | 18 May 2017 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 18, 2017 | 18 May 2017 | 18 May 2017 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 8, 2017 | 08 May 2017 | 08 May 2017 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 May 2017 | 31 Mar 2017 | 001-00640 |
| DEF 14A | Open Document | Open Filing | SCHEDULE 14A FOR NL INDUSTRIES, INC. | 29 Mar 2017 | 18 May 2017 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 10, 2017 | 10 Mar 2017 | 10 Mar 2017 | 001-00640 |
| 10-K | Open Document | Data | Open Filing | 10-K | 10 Mar 2017 | 31 Dec 2016 | 001-00640 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jan 2017 | 01 Sep 2016 | |
| 8-K | Open Document | Open Filing | FORM 8K DATED JANUARY 20, 2017 FOR NL INDUSTRIES, INC. | 20 Jan 2017 | 20 Jan 2017 | 001-00640 |
| 8-K | Open Document | Open Filing | FORM 8-K DATED NOVEMBER 14, 2016 | 15 Nov 2016 | 14 Nov 2016 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Nov 2016 | 30 Sep 2016 | 001-00640 |
| 8-K | Open Document | Open Filing | VALHI, INC. FORM 8-K DATED NOVEMBER 7, 2016 | 07 Nov 2016 | 07 Nov 2016 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED SEPTEMBER 1, 2016 | 01 Sep 2016 | 01 Sep 2016 | 001-00640 |
| 8-K | Open Document | Open Filing | 05 Aug 2016 | 05 Aug 2016 | 001-00640 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 05 Aug 2016 | 30 Jun 2016 | 001-00640 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2016 | 19 May 2016 | |
| SD | Open Document | Open Filing | FORM SD SPECIALIZED DISCLOSURE REPORT FOR NL INDUSTRIES, INC. | 27 May 2016 | 001-00640 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2016 | 19 May 2016 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2016 | 19 May 2016 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 26, 2016 | 26 May 2016 | 19 May 2016 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2016 | 19 May 2016 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2016 | 19 May 2016 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2016 | 19 May 2016 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2016 | 19 May 2016 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2016 | 19 May 2016 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2016 | 19 May 2016 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 May 2016 | 31 Mar 2016 | 001-00640 |
| 8-K | Open Document | Data | Open Filing | 06 May 2016 | 06 May 2016 | 001-00640 | |
| DEF 14A | Open Document | Open Filing | SCHEDULE 14A NL INDUSTRIES, INC. 2016 | 29 Mar 2016 | 19 May 2016 | 001-00640 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Mar 2016 | 18 Mar 2016 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 18, 2016 | 18 Mar 2016 | 18 Mar 2016 | 001-00640 |
| 10-K | Open Document | Data | Open Filing | 10-K | 10 Mar 2016 | 31 Dec 2015 | 001-00640 |
| 8-K | Open Document | Open Filing | 10 Mar 2016 | 10 Mar 2016 | 001-00640 | |
| 8-K | Open Document | Open Filing | NL FORM 8K DATED DECEMBER 2, 2015 | 02 Dec 2015 | 02 Dec 2015 | 001-00640 |
| SC 13D/A | Open Document | Open Filing | NL INDUSTRIES, INC. SCHEDULE 13D (AMENDMENT NO. 72) DATED NOVEMBER 20, 2015 | 02 Dec 2015 | 005-35697 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 Nov 2015 | 30 Sep 2015 | 001-00640 |
| 8-K | Open Document | Open Filing | 06 Nov 2015 | 06 Nov 2015 | 001-00640 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Aug 2015 | 30 Jun 2015 | 001-00640 |
| 8-K | Open Document | Open Filing | 07 Aug 2015 | 07 Aug 2015 | 001-00640 | |
| SD | Open Document | Open Filing | NL INDUSTRIES, INC. FORM SD | 29 May 2015 | 001-00640 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED MAY 21, 2015 | 21 May 2015 | 21 May 2015 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. ANNOUNCED RESULTS OF ANNUAL SHAREHOLDER MEETING | 21 May 2015 | 21 May 2015 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 8-K | Open Document | Open Filing | 08 May 2015 | 07 May 2015 | 001-00640 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 May 2015 | 31 Mar 2015 | 001-00640 |
| ARS | Open Document | Open Filing | AUTO-GENERATED PAPER DOCUMENT | 02 Apr 2015 | 31 Dec 2014 | 001-00640 |
| DEF 14A | Open Document | Open Filing | NL INDUSTRIES, INC. 2014 SCHEDULE 14A | 01 Apr 2015 | 21 May 2015 | 001-00640 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Mar 2015 | 31 Dec 2014 | |
| 8-K | Open Document | Open Filing | 13 Mar 2015 | 12 Mar 2015 | 001-00640 | |
| 10-K | Open Document | Data | Open Filing | 10-K | 12 Mar 2015 | 31 Dec 2014 | 001-00640 |
| 8-K | Open Document | Open Filing | 07 Nov 2014 | 07 Nov 2014 | 001-00640 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Nov 2014 | 30 Sep 2014 | 001-00640 |
| 8-K | Open Document | Open Filing | 07 Aug 2014 | 07 Aug 2014 | 001-00640 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Aug 2014 | 30 Jun 2014 | 001-00640 |
| SD | Open Document | Open Filing | NL SD JUNE 2014 | 02 Jun 2014 | 001-00640 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | |
| 8-K | Open Document | Open Filing | NL-8K-140522 | 23 May 2014 | 22 May 2014 | 001-00640 |
| 8-K | Open Document | Open Filing | NL 8K Q1 2014 | 08 May 2014 | 08 May 2014 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 May 2014 | 31 Mar 2014 | 001-00640 |
| ARS | Open Document | Open Filing | AUTO-GENERATED PAPER DOCUMENT | 02 Apr 2014 | 31 Dec 2013 | 001-00640 |
| DEF 14A | Open Document | Open Filing | PROXY FOR NL INDUSTRIES, INC. APRIL 2014 | 02 Apr 2014 | 22 May 2014 | 001-00640 |
| 8-K | Open Document | Open Filing | NL 8K Q4 2013 | 13 Mar 2014 | 12 Mar 2014 | 001-00640 |
| 10-K | Open Document | Data | Open Filing | 10-K | 12 Mar 2014 | 31 Dec 2013 | 001-00640 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2014 | 20 Feb 2014 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2014 | 28 Dec 2013 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED FEBRUARY 20, 2014 | 24 Feb 2014 | 20 Feb 2014 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED FEBRUARY 18, 2014 | 18 Feb 2014 | 18 Feb 2014 | 001-00640 |
| SC 13D/A | Open Document | Open Filing | NL INDUSTRIES, INC. SCHEDULE 13D DATED 12/28/2014 | 06 Feb 2014 | 005-35697 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2014 | 23 May 2013 | |
| 8-K | Open Document | Open Filing | NL 8K Q3 2013 | 07 Nov 2013 | 06 Nov 2013 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 Nov 2013 | 30 Sep 2013 | 001-00640 |
| 8-K | Open Document | Open Filing | NL-8K-131024 | 25 Oct 2013 | 24 Oct 2013 | 001-00640 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 25 TO SCHEDULE 13D COMPX | 27 Sep 2013 | ||
| 8-K | Open Document | Open Filing | NL-8K-130807 | 08 Aug 2013 | 07 Aug 2013 | 001-00640 |
| 8-K | Open Document | Open Filing | NL 8K Q2 2013 | 07 Aug 2013 | 07 Aug 2013 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 07 Aug 2013 | 30 Jun 2013 | 001-00640 |
| 8-K | Open Document | Open Filing | NL-8K-130523 | 30 May 2013 | 23 May 2013 | 001-00640 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2013 | 23 May 2013 | |
| 8-K | Open Document | Open Filing | NL-8K-130515 | 16 May 2013 | 15 May 2013 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2013 | 15 May 2013 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2013 | 15 May 2013 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2013 | 15 May 2013 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2013 | 15 May 2013 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2013 | 15 May 2013 | |
| 8-K | Open Document | Open Filing | NL 8K - Q1 2013 | 09 May 2013 | 08 May 2013 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 08 May 2013 | 31 Mar 2013 | 001-00640 |
| ARS | Open Document | Open Filing | AUTO-GENERATED PAPER DOCUMENT | 04 Apr 2013 | 31 Dec 2012 | 001-00640 |
| DEF 14A | Open Document | Open Filing | NL INDUSTRIES, INC. SCHEDULE 14A | 04 Apr 2013 | 15 May 2013 | 001-00640 |
| 8-K | Open Document | Open Filing | NL 8K Q4 2012 | 13 Mar 2013 | 12 Mar 2013 | 001-00640 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | 12 Mar 2013 | 31 Dec 2012 | 001-00640 |
| 8-K | Open Document | Open Filing | NL-8K-130227 | 28 Feb 2013 | 27 Feb 2013 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Dec 2012 | 20 Dec 2012 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 06 Nov 2012 | 30 Sep 2012 | 001-00640 |
| 8-K | Open Document | Open Filing | NL 8K Q3 2012 | 06 Nov 2012 | 06 Nov 2012 | 001-00640 |
| 8-K | Open Document | Open Filing | NL-8K-121024 | 25 Oct 2012 | 24 Oct 2012 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED SEPTEMBER 27, 2012 | 03 Oct 2012 | 27 Sep 2012 | 001-00640 |
| 8-K | Open Document | Open Filing | NL 8K Q2 2012 | 09 Aug 2012 | 09 Aug 2012 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 09 Aug 2012 | 30 Jun 2012 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. CASH QUARTERLY DIVIDEND 2Q12 | 09 Aug 2012 | 08 Aug 2012 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jul 2012 | 23 Jul 2012 | |
| S-8 POS | Open Document | Open Filing | POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 | 26 Jun 2012 | 333-65817 | |
| S-8 | Open Document | Open Filing | FORM S-8 NL INDUSTRIES, INC. DATED MAY 31, 2012 | 31 May 2012 | 333-181792 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2012 | 24 May 2012 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2012 | 16 May 2012 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2012 | 17 May 2012 | |
| 8-K | Open Document | Open Filing | NL-8K-120516 | 17 May 2012 | 16 May 2012 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2012 | 16 May 2012 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2012 | 16 May 2012 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2012 | 16 May 2012 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2012 | 16 May 2012 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2012 | 16 May 2012 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2012 | 16 May 2012 | |
| 8-K | Open Document | Open Filing | NL 8K 1Q 2012 | 09 May 2012 | 09 May 2012 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 09 May 2012 | 31 Mar 2012 | 001-00640 |
| ARS | Open Document | Open Filing | AUTO-GENERATED PAPER DOCUMENT | 05 Apr 2012 | 31 Dec 2011 | 001-00640 |
| DEF 14A | Open Document | Open Filing | NL INDUSTRIES, INC. DEF 14A 2012 | 04 Apr 2012 | 16 May 2012 | 001-00640 |
| PRE 14A | Open Document | Open Filing | NL INDUSTRIES, INC. PRE 14A | 20 Mar 2012 | 16 May 2012 | 001-00640 |
| 8-K | Open Document | Open Filing | NL 8K 4Q 2011 | 06 Mar 2012 | 06 Mar 2012 | 001-00640 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | 06 Mar 2012 | 31 Dec 2011 | 001-00640 |
| 8-K | Open Document | Open Filing | NL-8K-120215 | 16 Feb 2012 | 15 Feb 2012 | 001-00640 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2012 | 18 May 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2011 | 12 Dec 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2011 | 23 Nov 2011 | |
| 8-K | Open Document | Open Filing | NL 8K 3Q 2011 | 03 Nov 2011 | 03 Nov 2011 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 03 Nov 2011 | 30 Sep 2011 | 001-00640 |
| 8-K | Open Document | Open Filing | NL-8K-111026 | 27 Oct 2011 | 26 Oct 2011 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2011 | 23 Sep 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Sep 2011 | 22 Sep 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Sep 2011 | 21 Sep 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2011 | 19 Sep 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2011 | 09 Sep 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Sep 2011 | 06 Sep 2011 | |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D COMPX INTERNATIONAL INC. | 02 Sep 2011 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Aug 2011 | 22 Aug 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Aug 2011 | 19 Aug 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2011 | 10 Aug 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Aug 2011 | 09 Aug 2011 | |
| 8-K | Open Document | Open Filing | NL 8K 2Q 2011 | 03 Aug 2011 | 03 Aug 2011 | 001-00640 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 03 Aug 2011 | 30 Jun 2011 | 001-00640 |
| 8-K | Open Document | Open Filing | FORM 8-K NL INDUSTRIES, INC. DATED AUGUST 1, 2011 | 02 Aug 2011 | 01 Aug 2011 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2011 | 18 May 2011 | |
| 8-K | Open Document | Open Filing | NL-8K-110518 | 18 May 2011 | 18 May 2011 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2011 | 18 May 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2011 | 18 May 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2011 | 18 May 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2011 | 18 May 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2011 | 18 May 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2011 | 13 May 2011 | 001-31763 |
| 8-K | Open Document | Open Filing | NL 8K Q1 2011 | 04 May 2011 | 04 May 2011 | 001-00640 |
| 10-Q | Open Document | Open Filing | NL Q1 10Q | 04 May 2011 | 31 Mar 2011 | 001-00640 |
| ARS | Open Document | Open Filing | AUTO-GENERATED PAPER DOCUMENT | 07 Apr 2011 | 31 Dec 2010 | 001-00640 |
| DEF 14A | Open Document | Open Filing | NL INDUSTRIES, INC. DEF 14/A | 06 Apr 2011 | 18 May 2011 | 001-00640 |
| 8-K | Open Document | Open Filing | NL 8K DEC 2010 | 07 Mar 2011 | 07 Mar 2011 | 001-00640 |
| 10-K | Open Document | Open Filing | NL 2010 10K | 07 Mar 2011 | 31 Dec 2010 | 001-00640 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2011 | 28 Jan 2011 | |
| 8-K | Open Document | Open Filing | NL-8K-110216 | 16 Feb 2011 | 16 Feb 2011 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2011 | 07 Feb 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2011 | 28 Jan 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2011 | 21 Jan 2011 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2010 | 14 Dec 2010 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2010 | 14 Dec 2010 | 001-13905 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2010 | 11 Nov 2010 | |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 2, 2010 | 02 Nov 2010 | 28 Oct 2010 | 001-00640 |
| 8-K | Open Document | Open Filing | NL8KSEPT3010 | 02 Nov 2010 | 08 Oct 2010 | 001-00640 |
| 10-Q | Open Document | Open Filing | NL 3RD QTR 10Q | 01 Nov 2010 | 30 Sep 2010 | 001-00640 |
| S-8 POS | Open Document | Open Filing | NL-S8-101029 | 29 Oct 2010 | 033-29287 | |
| 8-K | Open Document | Open Filing | NL-8K-101027 | 28 Oct 2010 | 27 Oct 2010 | 001-00640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Oct 2010 | 06 Oct 2010 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2010 | 23 Sep 2010 | 001-31763 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Sep 2010 | 22 Sep 2010 | 001-31763 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Sep 2010 | 22 Sep 2010 | 001-31763 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Sep 2010 | 17 Sep 2010 | 001-31763 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Sep 2010 | 14 Sep 2010 | 001-31763 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Sep 2010 | 13 Sep 2010 | 001-31763 |
| 8-K | Open Document | Open Filing | NL 8K JUNE 30 2010 | 04 Aug 2010 | 03 Aug 2010 | 001-00640 |
| 8-K | Open Document | Open Filing | NL-8K-100803 | 04 Aug 2010 | 03 Aug 2010 | 001-00640 |
| 10-Q | Open Document | Open Filing | NL FORM 10Q 2Q2010 | 03 Aug 2010 | 30 Jun 2010 | 001-00640 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jul 2010 | 15 Jul 2010 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jul 2010 | 16 Jul 2010 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jul 2010 | 07 Jul 2010 | |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2010 | 02 Jul 2010 | |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jul 2010 | 02 Jul 2010 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2010 | 19 May 2010 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2010 | 19 May 2010 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2010 | 19 May 2010 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2010 | 19 May 2010 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2010 | 19 May 2010 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2010 | 19 May 2010 | |
| 8-K/A | Open Document | Open Filing | NL-8KA-100519 | 20 May 2010 | 19 May 2010 | 001-00640 |
| 8-K | Open Document | Open Filing | NL-8K-100519 | 19 May 2010 | 19 May 2010 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8-K 1Q 2010 | 04 May 2010 | 04 May 2010 | 001-00640 |
| 10-Q | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 10Q 1Q 2010 | 04 May 2010 | 31 Mar 2010 | 001-00640 |
| ARS | Open Document | Open Filing | AUTO-GENERATED PAPER DOCUMENT | 08 Apr 2010 | 31 Dec 2009 | 001-00640 |
| DEF 14A | Open Document | Open Filing | NL DEF 14A PROXY NL INDUSTRIES, INC. | 07 Apr 2010 | 19 May 2010 | 001-00640 |
| 8-K | Open Document | Open Filing | NL INDUSTRIES, INC. FORM 8K (4Q09) | 10 Mar 2010 | 09 Mar 2010 | 001-00640 |
| 10-K | Open Document | Open Filing | NL INDUSTRIES, INC. 10K2009 | 10 Mar 2010 | 31 Dec 2009 | 001-00640 |
| 8-K | Open Document | Open Filing | NL-8K-100217 | 18 Feb 2010 | 17 Feb 2010 | 001-00640 |