Insider Transactions Reported by 24 Insiders of KRONOS WORLDWIDE INC

Symbol: KRO on NYSE
Location: Dallas, TX

Quick Takeaways

KRO - KRONOS WORLDWIDE INC has 24 insiders with reported activity on this page.
Net insider value flow over the last year: +$179,875.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: $179,875; sell value: $0.
Net share flow: +35,500.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to buying over the last 12 months. Net value: +$179,875.

Buys

$179,875

Shares: 35,500

Insiders: 6

Sells

Shares: 0

Insiders: 0

Net

+$179,875

Shares: +35,500

Insiders: 6

Window (months)	Buy shares	Buy $	Sell $	Net $
0-3	0	$0	$0	$0
3-6	0	$0	$0	$0
6-9	0	$0	$0	$0
9-12	35,500	$179,875	$0	+$179,875

KRONOS WORLDWIDE INC executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Thomas P. Stafford	Director	$291,079			Mixed	17 May 2023
Dr. R. Gerald Turner	Director	$247,003			Median	13 May 2026
Cecil H. Moore Jr.	Director	$238,648			Median	13 May 2026
Kevin B. Kramer	Director	$195,854			Median	13 May 2026
Loretta J. Feehan	Director	$176,076			Median	13 May 2026
John E. Harper	Director	$143,226			Median	13 May 2026
Meredith W. Mendes	Director	$126,801			Median	13 May 2026
Executive Andrew B. Nace	Executive Vice President	$116,329	+$17,500	+18%	Filing P/S	13 Aug 2025
Bart W. Reichert	Vice President, Internal Audit	$99,200	+$99,200	+100%	Filing P/S	11 Aug 2025
Michael Shawn Simmons	Vice Chairman of the Board, Director	$69,313	+$24,350	+54%	Median	13 May 2026
Brian W. Christian	President and CEO, Director	$36,463			Median	13 May 2026
Senior Bryan A. Hanley	Senior VP and Treasurer	$29,400	+$12,250	+71%	Filing P/S	11 Aug 2025
Executive Amy A. Samford	Executive VP, Finance	$24,125	+$14,475	+150%	Filing P/S	11 Aug 2025
Executive Kristin B. McCoy	Executive VP, Global Tax	$12,100	+$12,100	+100%	Filing P/S	15 Aug 2025
Randall Colin Gouveia	Director	$11,016			Mixed	18 May 2022
James Buch	President and CEO, Director	$2,754			Mixed	09 Apr 2014
William Earl Miller Jr.	VP, Global Human Resources				Mixed	17 May 2023
Kabelac Ulrich F.	VP, Controller, Global Ops				Mixed	15 May 2024
Bryan S. Bell	VP, Controller, Global Finance				Mixed	15 May 2024
Executive Rainer Gruber	EX VP, Chief Manu/Tech Officer				Mixed	18 May 2022
Alexis A. Thomason	VP and General Counsel				Mixed	23 Feb 2022
Senior Bradley E. Troutman	Senior VP and CFO				Mixed	08 Aug 2025
Erica A. Austin	Senior VP, Human Resources				Mixed	14 May 2025
Dennis Werner	President, EMEAA				Mixed	22 Feb 2023

Top shareholders of KRONOS WORLDWIDE INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
DIMENSIONAL FUND ADVISORS LP	13F	Company	— class O/S missing	3,117,852	$20,483,691	—	31 Mar 2026	13F
Boston Partners	13F	Company	— class O/S missing	2,986,036	$19,615,984	—	31 Mar 2026	13F
BlackRock, Inc.	13F	Company	— class O/S missing	1,638,247	$10,763,283	—	31 Mar 2026	13F
VANGUARD CAPITAL MANAGEMENT LLC	13F	Company	— class O/S missing	970,205	$6,374,247	—	31 Mar 2026	13F
Bank of New York Mellon Corp	13F	Company	— class O/S missing	804,588	$5,286,145	—	31 Mar 2026	13F
Russell Investments Group, Ltd.	13F	Company	— class O/S missing	729,513	$4,792,894	—	31 Mar 2026	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	— class O/S missing	579,432	$3,806,868	—	31 Mar 2026	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	— class O/S missing	561,555	$3,689,978	—	31 Mar 2026	13F
STATE STREET CORP	13F	Company	— class O/S missing	506,809	$3,329,735	—	31 Mar 2026	13F
MORGAN STANLEY	13F	Company	— class O/S missing	406,392	$2,669,999	—	31 Mar 2026	13F
GOLDMAN SACHS GROUP INC	13F	Company	— class O/S missing	341,809	$2,245,685	—	31 Mar 2026	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	— class O/S missing	308,763	$2,028,574	—	31 Mar 2026	13F
LUMINUS MANAGEMENT LLC	13F	Company	— class O/S missing	270,000	$1,773,900	—	31 Mar 2026	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	— class O/S missing	231,648	$1,521,927	—	31 Mar 2026	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	— class O/S missing	211,579	$1,390,074	—	31 Mar 2026	13F
JANE STREET GROUP, LLC	13F	Company	— class O/S missing	204,796	$1,345,509	—	31 Mar 2026	13F
VANGUARD PORTFOLIO MANAGEMENT LLC	13F	Company	— class O/S missing	191,700	$1,259,469	—	31 Mar 2026	13F
Monaco Asset Management SAM	13F	Company	— class O/S missing	182,303	$1,197,731	—	31 Mar 2026	13F
NORTHERN TRUST CORP	13F	Company	— class O/S missing	177,188	$1,164,126	—	31 Mar 2026	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	— class O/S missing	170,911	$1,122,885	—	31 Mar 2026	13F
PDT Partners, LLC	13F	Company	— class O/S missing	164,770	$1,082,539	—	31 Mar 2026	13F
VANGUARD FIDUCIARY TRUST CO	13F	Company	— class O/S missing	140,278	$921,626	—	31 Mar 2026	13F
CITADEL ADVISORS LLC	13F	Company	— class O/S missing	139,723	$917,980	—	31 Mar 2026	13F
HRT FINANCIAL LP	13F	Company	— class O/S missing	103,529	$680,000	—	31 Mar 2026	13F
Creative Planning	13F	Company	— class O/S missing	100,662	$661,347	—	31 Mar 2026	13F
MARSHALL WACE, LLP	13F	Company	— class O/S missing	95,316	$626,226	—	31 Mar 2026	13F
UBS Group AG	13F	Company	— class O/S missing	94,733	$622,396	—	31 Mar 2026	13F
D. E. Shaw & Co., Inc.	13F	Company	— class O/S missing	84,656	$556,190	—	31 Mar 2026	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	— class O/S missing	75,220	$494,195	—	31 Mar 2026	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	— class O/S missing	73,083	$480,155	—	31 Mar 2026	13F
GSA CAPITAL PARTNERS LLP	13F	Company	— class O/S missing	69,627	$457,000	—	31 Mar 2026	13F
Allworth Financial LP	13F	Company	— class O/S missing	69,033	$453,547	—	31 Mar 2026	13F
Nuveen, LLC	13F	Company	— class O/S missing	65,020	$427,181	—	31 Mar 2026	13F
Point72 Asset Management, L.P.	13F	Company	— class O/S missing	62,042	$407,616	—	31 Mar 2026	13F
Susquehanna Portfolio Strategies, LLC	13F	Company	— class O/S missing	60,731	$399,003	—	31 Mar 2026	13F
Tidal Investments LLC	13F	Company	— class O/S missing	59,120	$388,418	—	31 Mar 2026	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	— class O/S missing	54,466	$358,000	—	31 Mar 2026	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	— class O/S missing	51,116	$335,832	—	31 Mar 2026	13F
AMERIPRISE FINANCIAL INC	13F	Company	— class O/S missing	51,065	$335,497	—	31 Mar 2026	13F
Invesco Ltd.	13F	Company	— class O/S missing	49,074	$322,417	—	31 Mar 2026	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	— class O/S missing	49,066	$322,364	—	31 Mar 2026	13F
Advisors Asset Management, Inc.	13F	Company	— class O/S missing	48,274	$317,160	—	31 Mar 2026	13F
Jump Financial, LLC	13F	Company	— class O/S missing	47,707	$313,435	—	31 Mar 2026	13F
MONEY CONCEPTS CAPITAL CORP	13F	Company	— class O/S missing	46,238	$303,787	—	31 Mar 2026	13F
Thomas P. Stafford	3/4/5	Director	— class O/S missing	31,708	$291,079	—	17 May 2023	3/4/5
ExodusPoint Capital Management, LP	13F	Company	— class O/S missing	43,219	$283,949	—	31 Mar 2026	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	— class O/S missing	42,727	$280,716	—	31 Mar 2026	13F
KG&L Capital Management,LLC	13F	Company	— class O/S missing	39,500	$271,676	—	31 Mar 2026	13F
JPMORGAN CHASE & CO	13F	Company	— class O/S missing	39,307	$251,565	—	31 Mar 2026	13F
Brevan Howard Capital Management LP	13F	Company	— class O/S missing	37,859	$248,734	—	31 Mar 2026	13F

Recent Insider Transactions by Companies or Individuals for KRONOS WORLDWIDE INC

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Brian W. Christian	KRO	Common Stock, $0.01 par value per share	Award				5,550	5,550	13 May 2026	Direct
Michael Shawn Simmons	KRO	Common Stock, $0.01 par value per share	Award	111%			5,550	10,550	13 May 2026	Direct
Cecil H. Moore Jr.	KRO	Common Stock $0.01 par value per share	Award	18%			5,550	36,324	13 May 2026	Direct
Meredith W. Mendes	KRO	Common Stock $0.01 par value per share	Award	40.4%			5,550	19,300	13 May 2026	Direct
Kevin B. Kramer	KRO	Common Stock $0.01 par value per share	Award	22.9%			5,550	29,810	13 May 2026	Direct
John E. Harper	KRO	Common Stock $0.01 par value per share	Award	34.2%			5,550	21,800	13 May 2026	Direct
Loretta J. Feehan	KRO	Common Stock $0.01 par value per share	Award	26.1%			5,550	26,800	13 May 2026	Direct
Dr. R. Gerald Turner	KRO	Common Stock $0.01 par value per share	Award	17.3%			5,550	37,596	13 May 2026	Direct
Executive Kristin B. McCoy	KRO	Common Stock, par value $0.01	Purchase		$12,100	$6.05	2,000	2,000	15 Aug 2025	Direct
Executive Andrew B. Nace	KRO	Common Stock, par value $0.01	Purchase	18.2%	$17,500	$5.83	3,000	19,453	13 Aug 2025	Direct
Senior Bryan A. Hanley	KRO	Common Stock $0.01 par value	Purchase	71.4%	$12,250	$4.90	2,500	6,000	11 Aug 2025	Direct
Bart W. Reichert	KRO	Common Stock, par value $0.01	Purchase		$99,200	$4.96	20,000	20,000	11 Aug 2025	Direct
Michael Shawn Simmons	KRO	Common Stock $0.01 par value	Purchase		$24,350	$4.87	5,000	5,000	11 Aug 2025	Direct
Executive Amy A. Samford	KRO	Common Stock, par value $0.01	Purchase	150%	$14,475	$4.82	3,000	5,000	11 Aug 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.