NL Industries furnishes October 30, 2025 press release

NL Industries, Inc. filed a current report to furnish, rather than file, a press release dated October 30, 2025.

Rhea-AI Filing Summary

NL Industries, Inc. filed a current report to furnish, rather than file, a press release dated October 30, 2025. The company is using this report to make the press release publicly available under a Regulation FD disclosure item, which focuses on fair and broad dissemination of information.

The press release itself is attached as Exhibit 99.1 and is incorporated by reference into this report, but it is explicitly not treated as filed for purposes of liability under the Securities Exchange Act. The filing also includes a cover page interactive data file as Exhibit 104.

8-K Event Classification

2 items: 7.01, 9.01

2 items

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did NL (NL Industries, Inc.) report in this 8-K?

NL Industries, Inc. furnished information contained in a press release dated October 30, 2025, which is attached as Exhibit 99.1 to the report.

Is the October 30, 2025 NL press release considered filed with the SEC?

No. NL states that the information furnished under Item 7.01 and Exhibit 99.1 is not deemed “filed” for purposes of Section 18 of the Exchange Act.

Under which item of Form 8-K did NL furnish the press release?

NL furnished the press release under Item 7.01, which covers Regulation FD disclosure designed to ensure broad public access to company information.

What exhibits are included with this NL 8-K filing?

The filing lists Exhibit 99.1, the press release dated October 30, 2025, and Exhibit 104, the cover page interactive data file embedded within the Inline XBRL document.

Who signed the NL Industries October 30, 2025 8-K?

The report was signed on behalf of NL Industries, Inc. by Amy A. Samford, Executive Vice President and Chief Financial Officer.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/30/2025 - 04:16 PM Learn about SEC filing dates

NYSE0000072162falseNL Industries, Inc.00000721622025-10-302025-10-30

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.   20549

FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

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Date of Report (Date of earliest event reported)

October 30, 2025

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NL Industries, Inc.

(Exact name of registrant as specified in its charter)

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New Jersey	1-640	13-5267260
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

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5430 LBJ Freeway, Suite 1700, Dallas, Texas	75240-2620
(Address of principal executive offices)	(Zip Code)

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Registrant’s telephone number, including area code

(972) 233-1700

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	(Former name or former address, if changed since last report.)

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2):

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☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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Securities registered pursuant to Section 12(b) of the Act:

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Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common stock	​	NL	​	New York Stock Exchange

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

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Item 7.01 Regulation FD Disclosure.

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The registrant hereby furnishes the information set forth in its press release issued on October 30, 2025, a copy of which is attached as Exhibit 99.1 and incorporated herein by reference. The information the registrant furnishes in this report under this Item 7.01, and the exhibit in Item 9.01, is not deemed “filed” for purposes of section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. Registration statements or other documents filed with the U.S. Securities and Exchange Commission shall not incorporate this information by reference, except as otherwise expressly stated in such filing.

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Item 9.01 Financial Statements and Exhibits.

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(d)	Exhibits	​	​
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​	Item No.	​	Description
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​	99.1	​	Press release dated October 30, 2025 issued by the registrant.
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​	104	​	Cover Page Interactive Data File (embedded within the Inline XBRL document)

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SIGNATURE

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Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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​	NL INDUSTRIES, INC.
​	(Registrant)
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Date: October 30, 2025	By: /s/Amy A. Samford
​	Amy A. Samford
​	Executive Vice President and     Chief Financial Officer

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