Entity Type
Company
Filer Snapshot
NL INDUSTRIES INC SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0000072162.
Total Filings
993
Latest Filing
06 May 2026
Industry
Industrial Inorganic Chemicals
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- Open the deeper context page only when this filer actually has insider or ownership signal.
Source: SEC filing 10-Q
View Source Filing
10-Q filed on 06 May 2026 for CIK 0000072162.
- Symbol
- NL on NYSE
- Business address
- 5430 Lbj Freeway, Suite 1700, Dallas, TX, 75240-2620
- State of incorporation
- NJ
- Fiscal year end
- 31 December
Quick Takeaways
- NL INDUSTRIES INC is an SEC filer tracked under CIK 0000072162.
- 993 filings are listed on this profile.
- Common form coverage includes 10-Q, 8-K, ARS and more.
What Changed
- Latest filing: 10-Q filed on 06 May 2026.
- Report period: 31 Mar 2026.
Why This Matters
- You can quote filing dates and form types directly from the SEC record on this page.
- Use this profile before deeper ownership or insider analysis to confirm filing history context.
Source Evidence
Source: SEC filing 10-Q
View Source Filing
10-Q filed on 06 May 2026 for CIK 0000072162.
Return Loop
Why revisit this filer page
A newly filed 10-Q can change the filing history, ownership context, or next research path for NL INDUSTRIES INC.
- Latest source-backed update
- 10-Q filed 06 May 2026
- Why come back
- Revisit after a new SEC filing appears to compare the updated record with prior filings.
- Latest filing on record: 10-Q filed 06 May 2026.
- Save this filer if you want a stable place to return after the next filing cycle.
- Open the latest filing table or ownership context to verify what changed.
Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.
Latest update
What changed recently for NL INDUSTRIES INC
Latest financial period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
06 May 2026
Page type
Company facts
Latest period
Q1 2026
SEC-backed company facts were refreshed from filings filed on 06 May 2026.
Benchmark Context
Benchmark context for this company
NL INDUSTRIES INC has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.
Compared with
Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.
Why this is notable
Latest financial period: Q1 2026. That gives you a fresh baseline before you compare this company with peers.
- Latest company facts filing date: 06 May 2026.
- Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
- Open the facts page first if you want the cleanest path to verification.
Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.
Company intelligence
Research NL INDUSTRIES INC from filings to ownership signals
Use this company page as the hub for SEC filings, fundamentals, insider activity, large-stake holders, and institutional ownership context.
Active modules
3/5
Available company intelligence paths on this page.
Filings
993
SEC submissions provide the evidence trail.
Ownership context
1/3
Insider, large-stake, and institutional ownership lanes.
Return loop
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Where is evidence?
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SEC filings
AvailableLatest company filings
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Company facts
AvailableFinancial context
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Forms 3/4/5
AvailableInsider activity
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Schedule 13D/G
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Form 13F
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SEC-verifiable company hub
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Watchlist return triggers
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new company filing
insider Form 4
13D/G holder change
13F holder update
Filer Overview
NL INDUSTRIES INC has filed 993 SEC EDGAR filings since 28 Jan 1994. Common forms include 10-Q, 8-K, ARS, DEFA14A and more.
Latest Filings
Recent SEC filings for NL INDUSTRIES INC with direct links to document and filing folders.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 May 2026 | 31 Mar 2026 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 May 2026 | 06 May 2026 | 001-00640 |
| ARS | Open ARS document | View SEC filing for ARS | ARS | 25 Mar 2026 | 31 Dec 2025 | 001-00640 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 25 Mar 2026 | 001-00640 | |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | DEF 14A | 25 Mar 2026 | 14 May 2026 | 001-00640 |
| PRE 14A | Open PRE 14A document | Open XBRL data | View SEC filing for PRE 14A | PRE 14A | 09 Mar 2026 | 14 May 2026 | 001-00640 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 09 Mar 2026 | 31 Dec 2025 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 09 Mar 2026 | 09 Mar 2026 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 26 Feb 2026 | 26 Feb 2026 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Nov 2025 | 06 Nov 2025 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 Nov 2025 | 30 Sep 2025 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 30 Oct 2025 | 30 Oct 2025 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 15 Sep 2025 | 15 Sep 2025 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Aug 2025 | 06 Aug 2025 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 Aug 2025 | 30 Jun 2025 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 17 Jul 2025 | 17 Jul 2025 | 001-00640 |
| SD | Open SD document | View SEC filing for SD | NL INDUSTRIES, INC. FORM SD | 20 May 2025 | 001-00640 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 May 2025 | 15 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 May 2025 | 15 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 May 2025 | 15 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 May 2025 | 15 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 May 2025 | 15 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 May 2025 | 15 May 2025 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 15 May 2025 | 15 May 2025 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 15 May 2025 | 15 May 2025 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 May 2025 | 31 Mar 2025 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 07 May 2025 | 07 May 2025 | 001-00640 |
| ARS | Open ARS document | View SEC filing for ARS | 31 Mar 2025 | 31 Dec 2024 | 001-00640 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | NL INDUSTRIES, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS | 31 Mar 2025 | 001-00640 | |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | DEF 14A | 26 Mar 2025 | 15 May 2025 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 13 Mar 2025 | 12 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 12 Mar 2025 | 11 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 12 Mar 2025 | 11 Mar 2025 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 06 Mar 2025 | 31 Dec 2024 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Mar 2025 | 06 Mar 2025 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 27 Feb 2025 | 27 Feb 2025 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 13 Feb 2025 | 10 Feb 2025 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 19 Dec 2024 | 19 Dec 2024 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Nov 2024 | 06 Nov 2024 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 Nov 2024 | 30 Sep 2024 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 31 Oct 2024 | 31 Oct 2024 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 05 Sep 2024 | 04 Sep 2024 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 07 Aug 2024 | 07 Aug 2024 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Aug 2024 | 30 Jun 2024 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 30 Jul 2024 | 30 Jul 2024 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 17 Jul 2024 | 16 Jul 2024 | 001-00640 |
| SD | Open SD document | View SEC filing for SD | NL INDUSTRIES, INC. FORM SD | 21 May 2024 | 001-00640 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2024 | 16 May 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2024 | 16 May 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2024 | 16 May 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2024 | 16 May 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2024 | 16 May 2024 | |
| 3 | Open 3 document | View SEC filing for 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2024 | 16 May 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 16 May 2024 | 16 May 2024 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 08 May 2024 | 08 May 2024 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 08 May 2024 | 31 Mar 2024 | 001-00640 |
| ARS | Open ARS document | View SEC filing for ARS | NL INDUSTRIES, INC. ANNUAL REPORT | 01 Apr 2024 | 31 Dec 2023 | 001-00640 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | NL INDUSTRIES, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS | 27 Mar 2024 | 001-00640 | |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | DEF 14A | 27 Mar 2024 | 16 May 2024 | 001-00640 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 06 Mar 2024 | 31 Dec 2023 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Mar 2024 | 06 Mar 2024 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 28 Feb 2024 | 28 Feb 2024 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 12 Feb 2024 | 12 Feb 2024 | 001-00640 |
| S-8 | Open S-8 document | View SEC filing for S-8 | NL INDUSTRIES, INC. FORM S-8 | 02 Nov 2023 | 333-275275 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 02 Nov 2023 | 02 Nov 2023 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 02 Nov 2023 | 30 Sep 2023 | 001-00640 |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | POST-EFFECTIVE AMENDMENT NO. 1 NL INDUSTRIES, INC. | 01 Nov 2023 | 333-181792 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 31 Oct 2023 | 26 Oct 2023 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 26 Oct 2023 | 26 Oct 2023 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 26 Oct 2023 | 26 Oct 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 02 Aug 2023 | 02 Aug 2023 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 02 Aug 2023 | 30 Jun 2023 | 001-00640 |
| SD | Open SD document | View SEC filing for SD | NL INDUSTRIES, INC. | 19 May 2023 | 001-00640 | |
| 3 | Open 3 document | View SEC filing for 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 3 | Open 3 document | View SEC filing for 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2023 | 18 May 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 18 May 2023 | 18 May 2023 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 09 May 2023 | 08 May 2023 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 May 2023 | 31 Mar 2023 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 03 May 2023 | 03 May 2023 | 001-00640 |
| ARS | Open ARS document | View SEC filing for ARS | NL ARS | 30 Mar 2023 | 31 Dec 2022 | 001-00640 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | NL INDUSTRIES, INC. DEF A14A | 29 Mar 2023 | 001-00640 | |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | DEF 14A | 29 Mar 2023 | 001-00640 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 08 Mar 2023 | 31 Dec 2022 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 08 Mar 2023 | 08 Mar 2023 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 27 Feb 2023 | 23 Feb 2023 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 23 Feb 2023 | 23 Feb 2023 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 16 Dec 2022 | 12 Dec 2022 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 06 Dec 2022 | 06 Dec 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 09 Nov 2022 | 09 Nov 2022 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K NL INDUSTRIES, INC. DATED NOVEMBER 2, 2022 | 02 Nov 2022 | 02 Nov 2022 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 02 Nov 2022 | 30 Sep 2022 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 27 Oct 2022 | 27 Oct 2022 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 10, 2022 | 10 Aug 2022 | 10 Aug 2022 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 Aug 2022 | 30 Jun 2022 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 3, 2022 | 03 Aug 2022 | 03 Aug 2022 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 02 Jun 2022 | 01 Jun 2022 | |
| SD | Open SD document | View SEC filing for SD | NL INDUSTRIES, INC. FORM SD | 27 May 2022 | 001-00640 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 19 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 19 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 19 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 19 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 19 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 19 May 2022 | |
| 3 | Open 3 document | View SEC filing for 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2022 | 19 May 2022 | |
| 3 | Open 3 document | View SEC filing for 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 19 May 2022 | 19 May 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 19, 2022 | 19 May 2022 | 19 May 2022 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 4, 2022 | 04 May 2022 | 04 May 2022 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 May 2022 | 31 Mar 2022 | 001-00640 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | NL INDUSTRIES, INC. DEF A14A | 30 Mar 2022 | 001-00640 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | NL INDUSTRIES, INC. DEF14A | 30 Mar 2022 | 19 May 2022 | 001-00640 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 09 Mar 2022 | 31 Dec 2021 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 9, 2022 | 09 Mar 2022 | 09 Mar 2022 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 2, 2022 | 02 Mar 2022 | 02 Mar 2022 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 4, 2021 | 04 Nov 2021 | 04 Nov 2021 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 Nov 2021 | 30 Sep 2021 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED OCTOBER 28, 2021 | 28 Oct 2021 | 28 Oct 2021 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 28 Oct 2021 | 28 Oct 2021 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 Aug 2021 | 30 Jun 2021 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 4, 2021 | 04 Aug 2021 | 04 Aug 2021 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 02 Jun 2021 | 01 Jun 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED JUNE 1, 2021 | 02 Jun 2021 | 01 Jun 2021 | 001-00640 |
| SD | Open SD document | View SEC filing for SD | NL INDUSTRIES, INC. FORM SD FILED MAY 24, 2021 | 24 May 2021 | 001-00640 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 21 May 2021 | 20 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 21 May 2021 | 20 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 21 May 2021 | 20 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 21 May 2021 | 20 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 21 May 2021 | 20 May 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 20, 2021 | 20 May 2021 | 20 May 2021 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 5, 2021 | 05 May 2021 | 05 May 2021 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 May 2021 | 31 Mar 2021 | 001-00640 |
| 8-K/A | Open 8-K/A document | Open XBRL data | View SEC filing for 8-K/A | NL INDUSTRIES, INC. FORM 8-K/A DATED APRIL 20, 2021 | 26 Apr 2021 | 20 Apr 2021 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED APRIL 20, 2021 | 23 Apr 2021 | 20 Apr 2021 | 001-00640 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | NL INDUSTRIES, INC. NOTICE | 31 Mar 2021 | 001-00640 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | NL INDUSTRIES, INC. SCHEDULE 14A | 31 Mar 2021 | 20 May 2021 | 001-00640 |
| 4/A | Open 4/A document | View SEC filing for 4/A | AMENDED STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 11 Mar 2021 | 22 May 2014 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 10 Mar 2021 | 31 Dec 2020 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8K DATED MARCH 10, 2021 | 10 Mar 2021 | 10 Mar 2021 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 3, 2021 | 03 Mar 2021 | 03 Mar 2021 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 4, 2020 | 04 Nov 2020 | 04 Nov 2020 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 Nov 2020 | 30 Sep 2020 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8K DATED OCTOBER 29, 2020 | 29 Oct 2020 | 29 Oct 2020 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 5, 2020 | 05 Aug 2020 | 05 Aug 2020 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Aug 2020 | 30 Jun 2020 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 02 Jun 2020 | 01 Jun 2020 | |
| SD | Open SD document | View SEC filing for SD | FORM SD SPECIALIZED DISCLOSURE REPORT, NL INDUSTRIES, INC. | 26 May 2020 | 001-00640 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2020 | 21 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2020 | 21 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2020 | 21 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2020 | 21 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2020 | 21 May 2020 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8K, DATED MAY 21, 2020 | 21 May 2020 | 21 May 2020 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 6, 2020 | 06 May 2020 | 06 May 2020 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 May 2020 | 31 Mar 2020 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED APRIL 22, 20202 | 28 Apr 2020 | 22 Apr 2020 | 001-00640 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | NL INDUSTRIES, INC. SCHEDULE 13D AMENDMENT NO. 74 | 28 Apr 2020 | 005-35697 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | NL INDUSTRIES, INC. NOTICE | 02 Apr 2020 | 001-00640 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | NL INDUSTRIES, INC. SCHEDULE 14A | 02 Apr 2020 | 21 May 2020 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 13, 2020 | 18 Mar 2020 | 13 Mar 2020 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Mar 2020 | 13 Mar 2020 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 11 Mar 2020 | 31 Dec 2019 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 11, 2020 | 11 Mar 2020 | 11 Mar 2020 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED FEBRUARY 19, 2020 | 19 Feb 2020 | 19 Feb 2020 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 29 Jan 2020 | 16 May 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 7, 2019 | 07 Nov 2019 | 07 Nov 2019 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Nov 2019 | 30 Sep 2019 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED SEPTEMBER 3, 2019 | 04 Sep 2019 | 03 Sep 2019 | 001-00640 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | NL INDUSTRIES, INC. SCHEDULE 13D | 04 Sep 2019 | 005-35697 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 7, 2019 | 07 Aug 2019 | 07 Aug 2019 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Aug 2019 | 30 Jun 2019 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED JULY 24, 2019 | 26 Jul 2019 | 24 Jul 2019 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED JULY 16, 2019 | 22 Jul 2019 | 16 Jul 2019 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 03 Jun 2019 | 01 Jun 2019 | |
| SD | Open SD document | View SEC filing for SD | NL INDUSTRIES, INC. FORM SD DATED MAY 29, 2019 | 29 May 2019 | 001-00640 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 16, 2019 | 23 May 2019 | 16 May 2019 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2019 | 16 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2019 | 16 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2019 | 16 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2019 | 16 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2019 | 16 May 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8K DATED MAY 16, 2019 | 16 May 2019 | 16 May 2019 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 9, 2019 | 09 May 2019 | 09 May 2019 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | NL 1Q19 | 09 May 2019 | 31 Mar 2019 | 001-00640 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | NL INDUSTRIES, INC. | 26 Mar 2019 | 001-00640 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | NL INDUSTRIES, INC. SCHEDULE 14A | 26 Mar 2019 | 16 May 2019 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 18, 2019 | 22 Mar 2019 | 18 Mar 2019 | 001-00640 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 11 Mar 2019 | 31 Dec 2018 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 11, 2019 | 11 Mar 2019 | 08 Mar 2019 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2019 | 31 Dec 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 7, 2018 | 07 Nov 2018 | 07 Nov 2018 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Nov 2018 | 30 Sep 2018 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 7, 2018 | 07 Aug 2018 | 07 Aug 2018 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Aug 2018 | 30 Jun 2018 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2018 | 17 Jul 2018 | 001-13905 |
| SD | Open SD document | View SEC filing for SD | NL INDUSTRIES, INC. FORM SD | 24 May 2018 | 001-00640 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 May 2018 | 17 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 May 2018 | 17 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 May 2018 | 17 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 May 2018 | 17 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 May 2018 | 17 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 May 2018 | 17 May 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 17, 2018 | 17 May 2018 | 17 May 2018 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 08 May 2018 | 31 Mar 2018 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 8, 2018 | 08 May 2018 | 08 May 2018 | 001-00640 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | NL INDUSTRIES, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS | 28 Mar 2018 | 001-00640 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | NL INDUSTRIES, INC. SCHEDULE 14A DATED MAY 17, 2018 | 28 Mar 2018 | 17 May 2018 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 21 Mar 2018 | 15 Mar 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 15, 2018 | 19 Mar 2018 | 15 Mar 2018 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 12, 2018 | 12 Mar 2018 | 12 Mar 2018 | 001-00640 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 12 Mar 2018 | 31 Dec 2017 | 001-00640 |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2018 | 31 Dec 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 8, 2017 | 08 Nov 2017 | 08 Nov 2017 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 3Q17 10-Q | 08 Nov 2017 | 30 Sep 2017 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES FORM 8-K DATED SEPTEMBER 26, 2017 | 28 Sep 2017 | 26 Sep 2017 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8K FOR NL INDUSTRIES, INC. DATED SEPTEMBER 13, 2017 | 15 Sep 2017 | 13 Sep 2017 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 31 Aug 2017 | 21 Aug 2017 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 08 Aug 2017 | 30 Jun 2017 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED AUGUST 7, 2017 | 08 Aug 2017 | 07 Aug 2017 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 30 May 2017 | 18 May 2017 | |
| SD | Open SD document | View SEC filing for SD | NL INDUSTRIES, INC. FORM SD | 30 May 2017 | 001-00640 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2017 | 18 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2017 | 18 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2017 | 18 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2017 | 18 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2017 | 18 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2017 | 18 May 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 18, 2017 | 18 May 2017 | 18 May 2017 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 8, 2017 | 08 May 2017 | 08 May 2017 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 08 May 2017 | 31 Mar 2017 | 001-00640 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | SCHEDULE 14A FOR NL INDUSTRIES, INC. | 29 Mar 2017 | 18 May 2017 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 10, 2017 | 10 Mar 2017 | 10 Mar 2017 | 001-00640 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 10 Mar 2017 | 31 Dec 2016 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 25 Jan 2017 | 01 Sep 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8K DATED JANUARY 20, 2017 FOR NL INDUSTRIES, INC. | 20 Jan 2017 | 20 Jan 2017 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K DATED NOVEMBER 14, 2016 | 15 Nov 2016 | 14 Nov 2016 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Nov 2016 | 30 Sep 2016 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | VALHI, INC. FORM 8-K DATED NOVEMBER 7, 2016 | 07 Nov 2016 | 07 Nov 2016 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED SEPTEMBER 1, 2016 | 01 Sep 2016 | 01 Sep 2016 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 05 Aug 2016 | 05 Aug 2016 | 001-00640 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Aug 2016 | 30 Jun 2016 | 001-00640 |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 02 Jun 2016 | 19 May 2016 | |
| SD | Open SD document | View SEC filing for SD | FORM SD SPECIALIZED DISCLOSURE REPORT FOR NL INDUSTRIES, INC. | 27 May 2016 | 001-00640 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 May 2016 | 19 May 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 26 May 2016 | 19 May 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 26, 2016 | 26 May 2016 | 19 May 2016 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2016 | 19 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2016 | 19 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2016 | 19 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2016 | 19 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2016 | 19 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2016 | 19 May 2016 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 May 2016 | 31 Mar 2016 | 001-00640 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 06 May 2016 | 06 May 2016 | 001-00640 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | SCHEDULE 14A NL INDUSTRIES, INC. 2016 | 29 Mar 2016 | 19 May 2016 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 22 Mar 2016 | 18 Mar 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MARCH 18, 2016 | 18 Mar 2016 | 18 Mar 2016 | 001-00640 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 10 Mar 2016 | 31 Dec 2015 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 10 Mar 2016 | 10 Mar 2016 | 001-00640 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL FORM 8K DATED DECEMBER 2, 2015 | 02 Dec 2015 | 02 Dec 2015 | 001-00640 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | NL INDUSTRIES, INC. SCHEDULE 13D (AMENDMENT NO. 72) DATED NOVEMBER 20, 2015 | 02 Dec 2015 | 005-35697 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 Nov 2015 | 30 Sep 2015 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 06 Nov 2015 | 06 Nov 2015 | 001-00640 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Aug 2015 | 30 Jun 2015 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 07 Aug 2015 | 07 Aug 2015 | 001-00640 | |
| SD | Open SD document | View SEC filing for SD | NL INDUSTRIES, INC. FORM SD | 29 May 2015 | 001-00640 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED MAY 21, 2015 | 21 May 2015 | 21 May 2015 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. ANNOUNCED RESULTS OF ANNUAL SHAREHOLDER MEETING | 21 May 2015 | 21 May 2015 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 21 May 2015 | 21 May 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 08 May 2015 | 07 May 2015 | 001-00640 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 08 May 2015 | 31 Mar 2015 | 001-00640 |
| ARS | Open ARS document | View SEC filing for ARS | AUTO-GENERATED PAPER DOCUMENT | 02 Apr 2015 | 31 Dec 2014 | 001-00640 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | NL INDUSTRIES, INC. 2014 SCHEDULE 14A | 01 Apr 2015 | 21 May 2015 | 001-00640 |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 31 Mar 2015 | 31 Dec 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 13 Mar 2015 | 12 Mar 2015 | 001-00640 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 12 Mar 2015 | 31 Dec 2014 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 07 Nov 2014 | 07 Nov 2014 | 001-00640 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Nov 2014 | 30 Sep 2014 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 07 Aug 2014 | 07 Aug 2014 | 001-00640 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Aug 2014 | 30 Jun 2014 | 001-00640 |
| SD | Open SD document | View SEC filing for SD | NL SD JUNE 2014 | 02 Jun 2014 | 001-00640 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-140522 | 23 May 2014 | 22 May 2014 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K Q1 2014 | 08 May 2014 | 08 May 2014 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 08 May 2014 | 31 Mar 2014 | 001-00640 |
| ARS | Open ARS document | View SEC filing for ARS | AUTO-GENERATED PAPER DOCUMENT | 02 Apr 2014 | 31 Dec 2013 | 001-00640 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | PROXY FOR NL INDUSTRIES, INC. APRIL 2014 | 02 Apr 2014 | 22 May 2014 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K Q4 2013 | 13 Mar 2014 | 12 Mar 2014 | 001-00640 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 12 Mar 2014 | 31 Dec 2013 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 11 Mar 2014 | 20 Feb 2014 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 26 Feb 2014 | 28 Dec 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED FEBRUARY 20, 2014 | 24 Feb 2014 | 20 Feb 2014 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED FEBRUARY 18, 2014 | 18 Feb 2014 | 18 Feb 2014 | 001-00640 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | NL INDUSTRIES, INC. SCHEDULE 13D DATED 12/28/2014 | 06 Feb 2014 | 005-35697 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 23 Jan 2014 | 23 May 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K Q3 2013 | 07 Nov 2013 | 06 Nov 2013 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 Nov 2013 | 30 Sep 2013 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-131024 | 25 Oct 2013 | 24 Oct 2013 | 001-00640 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | AMENDMENT NO. 25 TO SCHEDULE 13D COMPX | 27 Sep 2013 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-130807 | 08 Aug 2013 | 07 Aug 2013 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K Q2 2013 | 07 Aug 2013 | 07 Aug 2013 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 07 Aug 2013 | 30 Jun 2013 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-130523 | 30 May 2013 | 23 May 2013 | 001-00640 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 30 May 2013 | 23 May 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-130515 | 16 May 2013 | 15 May 2013 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 May 2013 | 15 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 May 2013 | 15 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 May 2013 | 15 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 May 2013 | 15 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 May 2013 | 15 May 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K - Q1 2013 | 09 May 2013 | 08 May 2013 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 08 May 2013 | 31 Mar 2013 | 001-00640 |
| ARS | Open ARS document | View SEC filing for ARS | AUTO-GENERATED PAPER DOCUMENT | 04 Apr 2013 | 31 Dec 2012 | 001-00640 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | NL INDUSTRIES, INC. SCHEDULE 14A | 04 Apr 2013 | 15 May 2013 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K Q4 2012 | 13 Mar 2013 | 12 Mar 2013 | 001-00640 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 12 Mar 2013 | 31 Dec 2012 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-130227 | 28 Feb 2013 | 27 Feb 2013 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Dec 2012 | 20 Dec 2012 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 06 Nov 2012 | 30 Sep 2012 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K Q3 2012 | 06 Nov 2012 | 06 Nov 2012 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-121024 | 25 Oct 2012 | 24 Oct 2012 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED SEPTEMBER 27, 2012 | 03 Oct 2012 | 27 Sep 2012 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K Q2 2012 | 09 Aug 2012 | 09 Aug 2012 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 09 Aug 2012 | 30 Jun 2012 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. CASH QUARTERLY DIVIDEND 2Q12 | 09 Aug 2012 | 08 Aug 2012 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Jul 2012 | 23 Jul 2012 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 | 26 Jun 2012 | 333-65817 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | FORM S-8 NL INDUSTRIES, INC. DATED MAY 31, 2012 | 31 May 2012 | 333-181792 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 May 2012 | 24 May 2012 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 22 May 2012 | 16 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 May 2012 | 17 May 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-120516 | 17 May 2012 | 16 May 2012 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2012 | 16 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2012 | 16 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2012 | 16 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2012 | 16 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2012 | 16 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2012 | 16 May 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K 1Q 2012 | 09 May 2012 | 09 May 2012 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 09 May 2012 | 31 Mar 2012 | 001-00640 |
| ARS | Open ARS document | View SEC filing for ARS | AUTO-GENERATED PAPER DOCUMENT | 05 Apr 2012 | 31 Dec 2011 | 001-00640 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | NL INDUSTRIES, INC. DEF 14A 2012 | 04 Apr 2012 | 16 May 2012 | 001-00640 |
| PRE 14A | Open PRE 14A document | View SEC filing for PRE 14A | NL INDUSTRIES, INC. PRE 14A | 20 Mar 2012 | 16 May 2012 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K 4Q 2011 | 06 Mar 2012 | 06 Mar 2012 | 001-00640 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 06 Mar 2012 | 31 Dec 2011 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-120215 | 16 Feb 2012 | 15 Feb 2012 | 001-00640 |
| 3/A | Open 3/A document | View SEC filing for 3/A | PRIMARY DOCUMENT | 04 Jan 2012 | 18 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Dec 2011 | 12 Dec 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Nov 2011 | 23 Nov 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K 3Q 2011 | 03 Nov 2011 | 03 Nov 2011 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 03 Nov 2011 | 30 Sep 2011 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-111026 | 27 Oct 2011 | 26 Oct 2011 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Sep 2011 | 23 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Sep 2011 | 22 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Sep 2011 | 21 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Sep 2011 | 19 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Sep 2011 | 09 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2011 | 06 Sep 2011 | |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SCHEDULE 13D COMPX INTERNATIONAL INC. | 02 Sep 2011 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Aug 2011 | 22 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Aug 2011 | 19 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Aug 2011 | 10 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Aug 2011 | 09 Aug 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K 2Q 2011 | 03 Aug 2011 | 03 Aug 2011 | 001-00640 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 03 Aug 2011 | 30 Jun 2011 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K NL INDUSTRIES, INC. DATED AUGUST 1, 2011 | 02 Aug 2011 | 01 Aug 2011 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2011 | 18 May 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-110518 | 18 May 2011 | 18 May 2011 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2011 | 18 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2011 | 18 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2011 | 18 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2011 | 18 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2011 | 18 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2011 | 13 May 2011 | 001-31763 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K Q1 2011 | 04 May 2011 | 04 May 2011 | 001-00640 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | NL Q1 10Q | 04 May 2011 | 31 Mar 2011 | 001-00640 |
| ARS | Open ARS document | View SEC filing for ARS | AUTO-GENERATED PAPER DOCUMENT | 07 Apr 2011 | 31 Dec 2010 | 001-00640 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | NL INDUSTRIES, INC. DEF 14/A | 06 Apr 2011 | 18 May 2011 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K DEC 2010 | 07 Mar 2011 | 07 Mar 2011 | 001-00640 |
| 10-K | Open 10-K document | View SEC filing for 10-K | NL 2010 10K | 07 Mar 2011 | 31 Dec 2010 | 001-00640 |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 23 Feb 2011 | 28 Jan 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-110216 | 16 Feb 2011 | 16 Feb 2011 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2011 | 07 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Jan 2011 | 28 Jan 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jan 2011 | 21 Jan 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Dec 2010 | 14 Dec 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Dec 2010 | 14 Dec 2010 | 001-13905 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Nov 2010 | 11 Nov 2010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 2, 2010 | 02 Nov 2010 | 28 Oct 2010 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL8KSEPT3010 | 02 Nov 2010 | 08 Oct 2010 | 001-00640 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | NL 3RD QTR 10Q | 01 Nov 2010 | 30 Sep 2010 | 001-00640 |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | NL-S8-101029 | 29 Oct 2010 | 033-29287 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-101027 | 28 Oct 2010 | 27 Oct 2010 | 001-00640 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Oct 2010 | 06 Oct 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Sep 2010 | 23 Sep 2010 | 001-31763 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Sep 2010 | 22 Sep 2010 | 001-31763 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Sep 2010 | 22 Sep 2010 | 001-31763 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Sep 2010 | 17 Sep 2010 | 001-31763 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Sep 2010 | 14 Sep 2010 | 001-31763 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Sep 2010 | 13 Sep 2010 | 001-31763 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL 8K JUNE 30 2010 | 04 Aug 2010 | 03 Aug 2010 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-100803 | 04 Aug 2010 | 03 Aug 2010 | 001-00640 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | NL FORM 10Q 2Q2010 | 03 Aug 2010 | 30 Jun 2010 | 001-00640 |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 23 Jul 2010 | 15 Jul 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jul 2010 | 16 Jul 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jul 2010 | 07 Jul 2010 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 08 Jul 2010 | 02 Jul 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 07 Jul 2010 | 02 Jul 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 May 2010 | 19 May 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 May 2010 | 19 May 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 May 2010 | 19 May 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 May 2010 | 19 May 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 May 2010 | 19 May 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 May 2010 | 19 May 2010 | |
| 8-K/A | Open 8-K/A document | View SEC filing for 8-K/A | NL-8KA-100519 | 20 May 2010 | 19 May 2010 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-100519 | 19 May 2010 | 19 May 2010 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8-K 1Q 2010 | 04 May 2010 | 04 May 2010 | 001-00640 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | NL INDUSTRIES, INC. FORM 10Q 1Q 2010 | 04 May 2010 | 31 Mar 2010 | 001-00640 |
| ARS | Open ARS document | View SEC filing for ARS | AUTO-GENERATED PAPER DOCUMENT | 08 Apr 2010 | 31 Dec 2009 | 001-00640 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | NL DEF 14A PROXY NL INDUSTRIES, INC. | 07 Apr 2010 | 19 May 2010 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL INDUSTRIES, INC. FORM 8K (4Q09) | 10 Mar 2010 | 09 Mar 2010 | 001-00640 |
| 10-K | Open 10-K document | View SEC filing for 10-K | NL INDUSTRIES, INC. 10K2009 | 10 Mar 2010 | 31 Dec 2009 | 001-00640 |
| 8-K | Open 8-K document | View SEC filing for 8-K | NL-8K-100217 | 18 Feb 2010 | 17 Feb 2010 | 001-00640 |
About this filer
NL INDUSTRIES INC files with the SEC under CIK 0000072162. This page aggregates EDGAR filings and related ownership activity.
Industry: Industrial Inorganic Chemicals.
FAQ
- What is a CIK?
- A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
- Why are some filings missing?
- New filings appear as the SEC updates EDGAR, and older records can vary by availability.
- How often is this page updated?
- Updates follow new EDGAR submissions and periodic data refreshes.