SEC ownership of KRONOS WORLDWIDE INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001257640.

Comparable stake leader

DIMENSIONAL FUND ADVISORS LP

Disclosed value leader

DIMENSIONAL FUND ADVISORS LP

Comparable rows

0/50

Latest evidence

18 May 2026

Top shareholders Insider holders Latest transactions
Public ticker
KRO on NYSE
Parsed ownership sources
13F and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder
DIMENSIONAL FUND ADVISORS LP
Ranking: Comparable ownership first, then disclosed value
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 1 signal
Latest parsed ownership date
18 May 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001257640
Issuer location
Dallas, TX

Ownership snapshot

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

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
DIMENSIONAL FUND ADVISORS LP
Disclosed value leader
DIMENSIONAL FUND ADVISORS LP
Comparable rows
0/50
Latest evidence
18 May 2026
13F 3/4/5 Highest disclosed value: $20,483,691 50 rows are not safely comparable across share classes. Showing 1-8 of 50 holder rows.

Quick read

DIMENSIONAL FUND ADVISORS LP has the largest disclosed position value at $20.48M.

0 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens DIMENSIONAL FUND ADVISORS LP's linked filing trail.
Disclosed position value Top 5
DIMENSIONAL FUND ADVISORS LP $20.48M
Boston Partners $19.62M
BlackRock, Inc. $10.76M
VANGUARD CAPITAL MANAGEMENT LLC $6.37M
Bank of New York Mellon Corp $5.29M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
—
class O/S missing
$20,483,691
3,117,852 shares
 — 31 Mar 2026
Boston Partners
13F
Company
13F
—
class O/S missing
$19,615,984
2,986,036 shares
 — 31 Mar 2026
BlackRock, Inc.
13F
Company
13F
—
class O/S missing
$10,763,283
1,638,247 shares
 — 31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC
13F
Company
13F
—
class O/S missing
$6,374,247
970,205 shares
 — 31 Mar 2026
Bank of New York Mellon Corp
13F
Company
13F
—
class O/S missing
$5,286,145
804,588 shares
 — 31 Mar 2026
Russell Investments Group, Ltd.
13F
Company
13F
—
class O/S missing
$4,792,894
729,513 shares
 — 31 Mar 2026
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
—
class O/S missing
$3,806,868
579,432 shares
 — 31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
—
class O/S missing
$3,689,978
561,555 shares
 — 31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$278,385.

Buys
$278,385
Insiders: 7
Sells
$0
Insiders: 0
Net
+$278,385
Shares: +50,101
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 50,101 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 14,601 0 $98,510 $0 +$98,510
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 35,500 0 $179,875 $0 +$179,875

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 24 reporting-owner rows connected to KRONOS WORLDWIDE INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
24
Largest Forms 3/4/5 holder
Kevin B. Kramer
Net 12M change
+$278,385
Latest report
18 May 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Kevin B. Kramer Director $300,665 +$98,510 +49% Filing P/S 18 May 2026
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
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

Recent insider transactions for KRONOS WORLDWIDE INC

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

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Kevin B. Kramer KRO Common Stock $0.01 par value per share Purchase 49% $98,510 $6.75 14,601 44,411 18 May 2026 Direct
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
* marks a reported price that did not pass the local price check.
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