[Form 4] Kronos Worldwide, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Michael Shawn Simmons, Vice Chairman and Director of Kronos Worldwide, Inc. (KRO), reported a purchase of 5,000 shares of the company on 08/11/2025 at a price of $4.87 per share. The Form 4 shows the transaction code P (purchase) and lists beneficial ownership following the transaction as 5,000 shares held directly. The filing was submitted by an attorney-in-fact on his behalf.

Insights

Financial Analyst

TL;DR: A routine insider purchase of 5,000 KRO shares at $4.87; transaction appears immaterial to company valuation.

The Form 4 documents a straightforward purchase by a senior insider rather than a complex transaction. The size—5,000 shares—relative to typical public-company float is not presented here, so its market impact cannot be judged from this filing alone. The report provides clear execution details: transaction code P, purchase price $4.87, and direct beneficial ownership of 5,000 shares following the trade.

Corporate Governance Expert

TL;DR: Disclosure meets Section 16 requirements; filing executed by attorney-in-fact for an officer/director.

The Form 4 identifies the reporting person as both a Director and Vice Chairman and shows the filing was made through an attorney-in-fact. The report contains the required elements: reporting person identity, issuer ticker, transaction date, transaction code, number of shares, price, and ownership form. No derivative transactions or additional contextual disclosures are included in this submission.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Simmons Michael Shawn

(Last) (First) (Middle)

5430 LBJ FREEWAY

SUITE 1700

(Street)

DALLAS TX 75240

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
KRONOS WORLDWIDE INC [ KRO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Vice Chairman of the Board

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock $0.01 par value	08/11/2025		P		5,000	A	$4.87	5,000	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	Jane R. Grimm, Attorney-in-fact, for Michael Shawn Simmons, Director and Vice Chairman of the Board	08/11/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.