Kronos Worldwide (NYSE: KRO) furnishes Regulation FD press release in Form 8-K

Rhea-AI Filing Summary

Kronos Worldwide, Inc. filed a Form 8-K to furnish information from a press release dated October 29, 2025. The company provides this disclosure under Regulation FD, attaching the release as Exhibit 99.1. The furnished information is not treated as filed for liability purposes or automatically incorporated into other SEC documents.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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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 29, 2025

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KRONOS WORLDWIDE, INC.

(Exact name of registrant as specified in its charter)

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Delaware		1-31763		76-0294959
(State or other jurisdiction of	​	(Commission	​	(IRS Employer
incorporation)	​	File Number)	​	Identification No.)

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

Registrant’s telephone number, including area code

(972) 233-1700

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

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)

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☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

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☐ Pre-commencement communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

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☐ Pre-commencement communication 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	​	KRO	​	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.

The registrant hereby furnishes the information set forth in its press release issued on October 29, 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 9.01Financial Statements and Exhibits.

(d)Exhibits

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Item No.		Description
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99.1	​	Press Release, dated October 29, 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

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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​	KRONOS WORLDWIDE, INC.
​	(Registrant)
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Date: October 29, 2025	By:	/s/ Bradley E. Troutman
​	​	Bradley E. Troutman,
​	​	Senior Vice President and Chief Financial Officer

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FAQ

What did Kronos Worldwide (KRO) report in its October 29, 2025 Form 8-K?

Kronos Worldwide filed a Form 8-K to furnish information from a press release dated October 29, 2025. The filing uses Item 7.01 (Regulation FD Disclosure) and attaches the press release as Exhibit 99.1 for investors to review the detailed information.

What is the purpose of Item 7.01 Regulation FD disclosure for Kronos Worldwide (KRO)?

Item 7.01 allows Kronos Worldwide to furnish information under Regulation FD, ensuring broad, simultaneous access to material communications. The company states this information is furnished rather than filed, which affects how it is treated under certain Securities Exchange Act liability provisions.

What exhibits are attached to Kronos Worldwide’s October 29, 2025 Form 8-K?

The Form 8-K lists two exhibits. Exhibit 99.1 is a press release dated October 29, 2025 issued by Kronos Worldwide. Exhibit 104 is the Cover Page Interactive Data File, which is embedded within the Inline XBRL version of the document for electronic reporting.

Is the information in Kronos Worldwide’s Form 8-K considered filed with the SEC?

Kronos Worldwide specifies that the information furnished under Item 7.01, and Exhibit 99.1, is not deemed filed under Section 18 of the Securities Exchange Act. That means it is not automatically subject to certain liabilities or incorporated into other SEC filings unless expressly stated.

Who signed Kronos Worldwide’s October 29, 2025 Form 8-K and in what capacity?

The Form 8-K was signed on behalf of Kronos Worldwide by Bradley E. Troutman. He signed in his capacity as Senior Vice President and Chief Financial Officer, indicating executive-level authorization of the furnished disclosure and attached exhibits on the company’s behalf.

Does Kronos Worldwide’s October 29, 2025 Form 8-K describe any major transactions?

The provided Form 8-K excerpt does not describe major transactions. It focuses on furnishing a press release under Regulation FD as Item 7.01 and listing related exhibits. Any detailed operational, financial, or transactional information would be contained within the attached press release itself.