¨
|
Rule
13d-1(b)
|
¨
|
Rule
13d-1(c)
|
ý
|
Rule
13d-1(d)
|
1
|
NAME
OF REPORTING PERSON
NL
Industries, Inc.
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ¨
(b) ¨
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
New
Jersey
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
-0-
|
|
SHARES
BENEFICIALLY
OWNED
BY
EACH
|
6
|
SHARED
VOTING POWER
17,689,202
|
|
REPORTING
PERSON
WITH
|
7
|
SOLE
DISPOSITIVE POWER
-0-
|
|
8
|
SHARED
DISPOSITIVE POWER
17,689,202
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
17,689,202
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
SHARES ¨
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
36.1%
|
||
12
|
TYPE
OF REPORTING PERSON
CO
|
1
|
NAME
OF REPORTING PERSON
Valhi,
Inc.
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ¨
(b) ¨
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
-0-
|
|
SHARES
BENEFICIALLY
OWNED
BY
EACH
|
6
|
SHARED
VOTING POWER
46,684,223
|
|
REPORTING
PERSON
WITH
|
7
|
SOLE
DISPOSITIVE POWER
-0-
|
|
8
|
SHARED
DISPOSITIVE POWER
46,684,223
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
46,684,223
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
SHARES ¨
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
95.3%
|
||
12
|
TYPE
OF REPORTING PERSON
CO
|
1
|
NAME
OF REPORTING PERSON
TIMET
Finance Management Company
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ¨
(b) ¨
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
-0-
|
|
SHARES
BENEFICIALLY
OWNED
BY
EACH
|
6
|
SHARED
VOTING POWER
46,684,223
|
|
REPORTING
PERSON
WITH
|
7
|
SOLE
DISPOSITIVE POWER
-0-
|
|
8
|
SHARED
DISPOSITIVE POWER
46,684,223
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
46,684,223
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
SHARES ¨
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
95.3%
|
||
12
|
TYPE
OF REPORTING PERSON
CO
|
1
|
NAME
OF REPORTING PERSON
Titanium
Metals Corporation
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ¨
(b) ¨
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
-0-
|
|
SHARES
BENEFICIALLY
OWNED
BY
EACH
|
6
|
SHARED
VOTING POWER
46,684,223
|
|
REPORTING
PERSON
WITH
|
7
|
SOLE
DISPOSITIVE POWER
-0-
|
|
8
|
SHARED
DISPOSITIVE POWER
46,684,223
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
46,684,223
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
SHARES ¨
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
95.3%
|
||
12
|
TYPE
OF REPORTING PERSON
CO
|
1
|
NAME
OF REPORTING PERSON
Valhi
Holding Company
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ¨
(b) ¨
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
-0-
|
|
SHARES
BENEFICIALLY
OWNED
BY
EACH
|
6
|
SHARED
VOTING POWER
46,684,223
|
|
REPORTING
PERSON
WITH
|
7
|
SOLE
DISPOSITIVE POWER
-0-
|
|
8
|
SHARED
DISPOSITIVE POWER
46,684,223
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
46,684,223
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
SHARES ¨
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
95.3%
|
||
12
|
TYPE
OF REPORTING PERSON
CO
|
1
|
NAME
OF REPORTING PERSON
Dixie
Rice Agricultural Corporation, Inc.
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ¨
(b) ¨
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Louisiana
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
-0-
|
|
SHARES
BENEFICIALLY
OWNED
BY
EACH
|
6
|
SHARED
VOTING POWER
46,684,223
|
|
REPORTING
PERSON
WITH
|
7
|
SOLE
DISPOSITIVE POWER
-0-
|
|
8
|
SHARED
DISPOSITIVE POWER
46,684,223
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
46,684,223
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
SHARES ¨
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
95.3%
|
||
12
|
TYPE
OF REPORTING PERSON
CO
|
1
|
NAME
OF REPORTING PERSON
Contran
Corporation
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ¨
(b) ¨
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
-0-
|
|
SHARES
BENEFICIALLY
OWNED
BY
EACH
|
6
|
SHARED
VOTING POWER
46,684,223
|
|
REPORTING
PERSON
WITH
|
7
|
SOLE
DISPOSITIVE POWER
-0-
|
|
8
|
SHARED
DISPOSITIVE POWER
46,684,223
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
46,684,223
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
SHARES ¨
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
95.3%
|
||
12
|
TYPE
OF REPORTING PERSON
CO
|
1
|
NAME
OF REPORTING PERSON
The
Combined Master Retirement Trust
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ¨
(b) ¨
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Texas
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
-0-
|
|
SHARES
BENEFICIALLY
OWNED
BY
EACH
|
6
|
SHARED
VOTING POWER
46,684,223
|
|
REPORTING
PERSON
WITH
|
7
|
SOLE
DISPOSITIVE POWER
-0-
|
|
8
|
SHARED
DISPOSITIVE POWER
46,684,223
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
46,684,223
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
SHARES ¨
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
95.3%
|
||
12
|
TYPE
OF REPORTING PERSON
EP
|
1
|
NAME
OF REPORTING PERSON
Harold
Simmons Foundation, Inc.
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ¨
(b) ¨
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Texas
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
-0-
|
|
SHARES
BENEFICIALLY
OWNED
BY
EACH
|
6
|
SHARED
VOTING POWER
46,684,223
|
|
REPORTING
PERSON
WITH
|
7
|
SOLE
DISPOSITIVE POWER
-0-
|
|
8
|
SHARED
DISPOSITIVE POWER
46,684,223
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
46,684,223
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
SHARES ¨
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
95.3%
|
||
12
|
TYPE
OF REPORTING PERSON
CO
|
1
|
NAME
OF REPORTING PERSON
Harold
C. Simmons
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ¨
(b) ¨
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
USA
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
229,774
|
|
SHARES
BENEFICIALLY
OWNED
BY
EACH
|
6
|
SHARED
VOTING POWER
46,739,079
|
|
REPORTING
PERSON
WITH
|
7
|
SOLE
DISPOSITIVE POWER
229,774
|
|
8
|
SHARED
DISPOSITIVE POWER
46,739,079
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
229,774
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
SHARES ý
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.5%
|
||
12
|
TYPE
OF REPORTING PERSON
IN
|
Item
1(a)
|
Name
of Issuer:
|
|
Kronos
Worldwide, Inc., a Delaware corporation (the “Company”).
|
Item
1(b)
|
Address
of Issuer’s Principal Executive
Offices:
|
|
Three
Lincoln Centre
|
|
5430
LBJ Freeway, Suite 1700
|
|
Dallas,
Texas 75240-2697
|
Items
2(a)
|
Name
of Person Filing:
|
|
(i)
|
NL
Industries, Inc. (“NL”) and Valhi, Inc.
(“Valhi”) as
direct holders of shares (“Shares”) of common
stock, par value $0.01 per share, of the Company and indirect ownership of
shares of TIMET Finance Management Company (“TFMC”);
|
|
(ii)
|
TFMC
by virtue of its direct ownership of Shares and direct ownership of NL and
Valhi;
|
|
(iii)
|
Titanium
Metals Corporation (“TIMET”), Valhi Holding
Company (“VHC”),
Dixie Rice Agricultural Corporation, Inc. (“Dixie Rice”), Contran
Corporation (“Contran”), The Combined
Master Retirement Trust (the “CMRT”) and the Harold
Simmons Foundation, Inc. (the “Foundation”) by virtue
of their direct or indirect ownership of TFMC, NL or Valhi;
and
|
|
(iv)
|
Harold
C. Simmons by virtue of his and his wife’s direct holdings of Shares and
his positions with Contran and certain of its related entities (as
described in this statement).
|
Item
2(b).
|
Address
of Principal Business Office or, if none,
Residence:
|
Item
2(c).
|
Citizenship:
|
Item
2(d).
|
Title
of Class of Securities:
|
Item
2(e).
|
CUSIP
Number:
|
Item
3.
|
If
this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or
(c), check whether the person filing is
a:
|
|
(a)
|
¨
|
Broker
or dealer registered under section 15 of the Act (15 U.S.C.
78o);
|
|
(b)
|
¨
|
Bank
as defined in section 3(a)(6) of the Act (15 U.S.C.
78c);
|
|
(c)
|
¨
|
Insurance
company as defined in section 3(a)(19) of the Act (15 U.S.C.
78c);
|
|
(d)
|
¨
|
Investment
Company registered under section 8 of the Investment Company Act of 1940
(15 U.S.C. 80a-8);
|
|
(e)
|
¨
|
An
investment adviser in accordance with §
240.13d-1(b)(1)(ii)(E);
|
|
(f)
|
¨
|
An
employee benefit plan or endowment fund in accordance with §
240.13d-1(b)(1)(ii)(F);
|
|
(g)
|
¨
|
A
parent holding company or control person in accordance with §
240.13d-1(b)(1)(ii)(G);
|
|
(h)
|
¨
|
A
savings association as defined in section 3(b) of the Federal Deposit
Insurance Act (12 U.S.C. 1813);
|
|
(i)
|
¨
|
A
church plan that is excluded from the definition of an investment company
under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C.
80a-3);
|
|
(j)
|
¨
|
A
non-U.S. institution in accordance with §
240.13d-1(b)(1)(ii)(J);
|
|
(k)
|
¨
|
Group,
in accordance with §
240.13d-1(b)(1)(ii)(K).
|
Item
4.
|
Ownership
(as of December 31, 2009).
|
|
(1)
|
NL
may be deemed to own beneficially the 17,689,202 Shares (approximately
36.1% of the 48,970,549 Shares outstanding as of December 31, 2009 based
on information provided by the Company and hereinafter referred to as the
“Outstanding
Shares”) that TFMC and NL hold
directly;
|
|
(2)
|
Valhi,
TFMC, TIMET VHC, Dixie Rice, Contran, the CMRT and the Foundation may be
deemed to own beneficially the 46,684,223 Shares (approximately 95.3% of
the Outstanding Shares) that TFMC, NL and Valhi hold directly;
and
|
|
(3)
|
Harold
C. Simmons may be deemed to own beneficially the 46,968,853 Shares
(approximately 95.9% of the Outstanding Shares) that TFMC, NL, Valhi, he
and his wife hold directly.
|
|
(c)
|
Number
of shares as to which the person
has:
|
|
(i)
|
Sole
power to vote or to direct the
vote:
|
|
(ii)
|
Shared
power to vote or to direct the
vote:
|
|
(1)
|
NL
may be deemed to share the power to vote or direct the disposition of the
17,689,202 Shares (approximately 36.1% of the Outstanding Shares) that
TFMC and NL hold directly;
|
|
(2)
|
Valhi,
TFMC, TIMET VHC, Dixie Rice, Contran, the CMRT and the Foundation may be
deemed to share the power to vote or direct the disposition of the
46,684,223 Shares (approximately 95.3% of the Outstanding Shares) that
TFMC, NL and Valhi hold directly;
and
|
|
(3)
|
Harold
C. Simmons may be deemed to share the power to vote or direct the
disposition of the 46,739,079 Shares (approximately 95.4% of the
Outstanding Shares) that TFMC, NL, Valhi and his wife hold
directly.
|
|
(iii)
|
Sole
power to dispose or direct the disposition
of:
|
|
(iv)
|
Shared
power to dispose or to direct the disposition
of:
|
Item
5.
|
Ownership
of Five Percent or Less of a Class.
|
Item
6.
|
Ownership
of More than Five Percent on Behalf of Another
Person.
|
Item
7.
|
Identification
and Classification of the Subsidiary Which Acquired the Security Being
Reported on By the Parent Holding Company or Control
Person.
|
Item
8.
|
Identification
and Classification of Members of the
Group.
|
Item
9.
|
Notice
of Dissolution of Group.
|
Item
10.
|
Certification.
|
|
Signature
|