Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
BROWN ROBERT C MD
  2. Issuer Name and Ticker or Trading Symbol
LSB INDUSTRIES INC [LXU]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
16 SOUTH PENNSYLVANIA AVENUE
3. Date of Earliest Transaction (Month/Day/Year)
01/05/2011
(Street)

OKLAHOMA CITY, OK 73107
4. If Amendment, Date 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
(City)
(State)
(Zip)
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 01/05/2011   S   30,000 D $ 25 31,160 I By Trust and Spouse's Trust (1)
Common Stock 01/05/2011   S   18,442 D $ 25 0 I By RCB, M.D., Inc. Profit Shring Plan (2) (3)
Common Stock               50,727 I By RCB, M.D., Inc. (3)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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 control number. SEC 1474 (9-02)

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 Underlying Securities
(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 of Derivative Security: 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
Nonqualified Stock Option (4) $ 7.86               (4) 11/13/2018 Common Stock 5,000   5,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BROWN ROBERT C MD
16 SOUTH PENNSYLVANIA AVENUE
OKLAHOMA CITY, OK 73107
  X      

Signatures

 Robert C. Brown, M.D.   01/06/2011
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) These shares were sold pursuant to a Rule 10b5-1 sales plan, dated March 15, 2010. These shares are held in a joint account owned by the Robert C. Brown Rev. Trust, DTD 08/27/99, of which the reporting person is settlor and trustee and the Zelda F. Brown Rev. Trust, DTD 08/27/99, of which the reporting person's spouse is settlor and trustee. This amount includes 1,644 shares which were transferred from the Robert C. Brown, M.D., Inc. Employee Profit Sharing Plan to the Robert C. Brown Rev. Trust, DTD 08/27/99 on December 17, 2008.
(2) These shares were sold pursuant to a Rule 10b5-1 sales plan, dated March 15, 2010. Dr. Brown is trustee of the Robert C. Brown, M.D., Inc. Employee Profit Sharing Plan and has a vested interest in the income or corpus of the trust.
(3) Dr. Brown's pecuniary interest in the issuer's common stock held by the Robert C. Brown, M.D., Inc. ("RCB M.D., Inc.") Employee Profit Sharing Plan and by RCB M.D., Inc. was last reported in the Schedule 14A Proxy Statement filed by the issuer on May 10, 2010, and the Form 4 filed by Dr. Brown on December 29, 2003.
(4) Nonqualified Stock Option ("NQSO") granted by the Issuer to the reporting person under the Issuer's 2008 Incentive Stock Plan. The NQSO is for a term of ten years from November 13, 2008, the date of grant, and the exercise price of the NQSO is based on the fair market value of the Issuer's common stock on the date of grant. This NQSO vests at the end of years one through six in the following amounts: 16.5%, 16.5%, 16.5%, 16.5%, 16.5% and 17.5%. This NQSO will be fully vested at the end of year six.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.