KRO

KRONOS WORLDWIDE, INC._November 6, 2025 false000125764000012576402025-11-062025-11-06 ​ ​

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549 ​

FORM 8-K

​

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 ​ Date of Report (Date of earliest event reported) November 6, 2025 ​

KRONOS WORLDWIDE, INC.

(Exact name of registrant as specified in its charter) ​ ​ ​

​

​

​

​

Delaware

1-31763

76-0294959

(State or other jurisdiction of ​ (Commission ​ (IRS Employer

incorporation) ​ File Number) ​ Identification No.)

​ ​ ​

​

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.): ​ ☐ 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 communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

​ ☐ Pre-commencement communication pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

​

​

​

​

​

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock ​ KRO ​ New York Stock Exchange ​

​ 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. ☐ ​ ​ ​

Item 2.02 Results of Operations and Financial Condition. The registrant hereby furnishes the information set forth in its press release issued on November 6, 2025, a copy of which is attached as Exhibit 99.1 and incorporated herein by reference. ​ The press release the registrant furnishes as Exhibit 99.1 to the current report 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. ​ Item 9.01Financial Statements and Exhibits. (d)Exhibits ​

Item No.

Description

​ ​ ​

99.1 ​ Press Release, dated November 6, 2025, issued by the registrant.

​ ​ ​

104 ​ Cover Page Interactive Data File (embedded within the Inline XBRL document)

​ ​ ​ ​

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. ​ ​

KRONOS WORLDWIDE, INC.

​ (Registrant)

​ ​

​ ​

Date: November 6, 2025 By: /s/ Bradley E. Troutman

​ ​ Bradley E. Troutman,

​ ​ Senior Vice President and Chief Financial Officer

​ ​ ​

KRONOS WORLDWIDE, INC._August 6, 2025 false000125764000012576402025-05-072025-05-07 ​ ​

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549 ​

FORM 8-K

​

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 ​ Date of Report (Date of earliest event reported) August 6, 2025 ​

KRONOS WORLDWIDE, INC.

(Exact name of registrant as specified in its charter) ​ ​ ​

​

​

​

​

Delaware

1-31763

76-0294959

(State or other jurisdiction of ​ (Commission ​ (IRS Employer

incorporation) ​ File Number) ​ Identification No.)

​ ​ ​

​

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.): ​ ☐ 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 communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

​ ☐ Pre-commencement communication pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

​

​

​

​

​

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock ​ KRO ​ New York Stock Exchange ​

​ 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. ☐ ​ ​ ​

​ ​ ​ Item 2.02 Results of Operations and Financial Condition.

​ The registrant hereby furnishes the information set forth in its press release entitled “Kronos Worldwide, Inc. Reports Second Quarter 2025 Results” that the registrant issued on August 6, 2025, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference. ​ The press release the registrant furnishes as Exhibit 99.1 to this current report 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. ​ Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

​ On August 6, 2025, Tim C. Hafer, executive vice president and chief financial officer of the registrant, provided notice to the registrant that he will retire as an officer of the registrant effective as of August 8, 2025. Following such retirement, Mr. Hafer will continue to be employed by Contran Corporation (“Contran”), the privately held parent corporation of the registrant. ​ Following such retirement notice of Mr. Hafer, the registrant’s board of directors took action, also effective as of August 8, 2025, to elect Bradley E. Troutman as the registrant’s senior vice president and chief financial officer. Mr. Troutman has accepted an offer of employment from Contran, with an employment start date of August 8, 2025. ​ Upon Mr. Hafer’s retirement as an officer of the registrant, Bryan S. Bell’s title with the registrant will remain vice president and controller, global finance and Mr. Bell will serve as the registrant’s principal accounting officer. ​ Mr. Troutman, age 51, served as chief financial officer of Pegasus Logistics Group, a global freight forwarding and logistics company, from 2024 to July 2025. From 2019 to 2022, he served as chief financial officer of Atlantic Aviation, a fixed-base operator (FBO) network and aviation services provider with FBO locations throughout the United States. Prior to 2019, Mr. Troutman served in financial leadership roles for two publicly traded corporations, where collectively he was employed for 12 years; he was employed by the Public Company Accounting Oversight Board as manager, inspection division for two years; and he was employed by PricewaterhouseCoopers LLP from 1996 to 2004, most recently as manager, assurance and business advisory services. ​ Mr. Bell, age 51, has served as the registrant’s vice president and controller, global finance since May 2024. He has served in various accounting positions with the regis

KRONOS WORLDWIDE, INC._May 7, 2025 false000125764000012576402025-05-072025-05-07 ​ ​

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549 ​

FORM 8-K

​

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 ​ Date of Report (Date of earliest event reported) May 7, 2025 ​

KRONOS WORLDWIDE, INC.

(Exact name of registrant as specified in its charter) ​ ​ ​

​

​

​

​

Delaware

1-31763

76-0294959

(State or other jurisdiction of ​ (Commission ​ (IRS Employer

incorporation) ​ File Number) ​ Identification No.)

​ ​ ​

​

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.): ​ ☐ 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 communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

​ ☐ Pre-commencement communication pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

​

​

​

​

​

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock ​ KRO ​ New York Stock Exchange ​

​ 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. ☐ ​ ​ ​

​ ​ ​ Item 2.02 Results of Operations and Financial Condition.

​ The registrant hereby furnishes the information set forth in its press release entitled “Kronos Worldwide, Inc. Reports First Quarter 2025 Results” that the registrant issued on May 7, 2025, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference. ​ The press release the registrant furnishes as Exhibit 99.1 to this current report 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. Item 9.01Financial Statements and Exhibits. (d)Exhibits ​

Item No.

Description

​ ​ ​

99.1 ​ Press release dated May 7, 2025 entitled “Kronos Worldwide, Inc. Reports First Quarter 2025 Results” and issued by the registrant.

​ ​ ​

104 ​ Cover Page Interactive Data File (embedded within the Inline XBRL document)

​ ​ ​ ​

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. ​ ​

KRONOS WORLDWIDE, INC.

​ (Registrant)

​ ​

​ ​

Date: May 7, 2025 By: /s/ Tim C. Hafer

​ ​ Tim C. Hafer,

​ ​ Executive Vice President and Chief Financial Officer

​ ​ ​