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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
CARROLL WALLACE E JR
  2. Issuer Name and Ticker or Trading Symbol
KATY INDUSTRIES INC [KATY]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
305 ROCK INDUSTRIAL PARK DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
05/25/2011
(Street)

BRIDGETON, MO 63044
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               2,071,036 (2) (3) (5) I (2) (3) (5) See Notes (2) (3) (5)
Common Stock               8,729 I By Spouse
Common Stock               804,635 (1) (4) I (1) (4) See Notes (1) (4)
Common Stock               171,839 D  
Common Stock               32,910 (7) I (7) See Notes (7)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Stock Appreciation Right $ 0.2 (8) 05/25/2011   A   2,000   05/25/2011(8) 05/25/2021(8) Common Stock 2,000 $ 0.2 12,000 D  
Option to purchase Common Stock $ 3.69 (6)             05/26/2005(6) 05/26/2015(6) Common Stock 17,000   17,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
CARROLL WALLACE E JR
305 ROCK INDUSTRIAL PARK DRIVE
BRIDGETON, MO 63044
  X   X    

Signatures

 /s/ James W. Shaffer as attorney-in-fact for Wallace E. Carroll, Jr.   05/26/2011
**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) The Reporting Person or members of his immediate family are beneficiaries of the Wallace E. and Lelia H. Carroll Trust U/A Dated 5/1/58 F/B/O Wallace E. Carroll, Jr. and his descendants (the "WEC Jr. '58 Trust"), the Lelia H. Carroll Trust U/A Dated 7/12/62 F/B/O Wallace E. Carroll, Jr. (the "WEC Jr. '62 Trust") and the Family Grandchildren Trust U/A dated 9/29/90 F/B/O the descendents of Wallace E. Carroll, Jr. (the "Family Trust") (collectively, the "WEC Trusts"). The WEC Jr. '58 Trust, the WEC Jr. '62 Trust and the Family Trust directly beneficially own 603,000, 194,693 and 6,942 shares of the Issuer's outstanding common stock, respectively, for an aggregate of 804,635 shares (the "Trust Shares"). The Reporting Person may be deemed to have an indirect pecuniary interest in the Trust Shares to the extent that he and/or the members of his immediate family living in the same household are beneficiaries of the WEC Trusts.
(2) CRL, Inc. ("CRL") directly beneficially owns 2,071,036 shares of the Issuer's outstanding common stock (the "CRL Shares") after giving effect to the transaction reported herein. As stockholders of CRL, the WEC Jr. '58 Trust and the Reporting Person may be deemed to indirectly beneficially own such Shares. The Reporting Person may be deemed to have an indirect pecuniary interest in the shares indirectly beneficially owned by the WEC Jr. '58 Trust through CRL to the extent that he and/or the members of his immediate family living in the same household are beneficiaries of that trust and as a stockholder of CRL.
(3) As a stockholder of CRL, the Reporting Person may be deemed to have an indirect pecuniary interest in the CRL Shares (see Note 2).
(4) Members of the Reporting Person's immediate family are beneficiaries of the WEC Trusts (see Note 1). The Reporting Person may be deemed to have an indirect pecuniary interest in the Trust Shares to the extent that members of her immediate family living in the same household are beneficiaries of the WEC Trusts.
(5) The Reporting Person may be deemed to have an indirect pecuniary interest in the CRL Shares to the extent that members of his immediate family living in the same household own CRL shares and are beneficiaries of the WEC Jr. '58 Trust (see Note 2).
(6) The exercisable date, conversion price and expiration date on the stock options represent information from the most recent grant, 5/26/05. The Reporting Person has received stock options from 2001 through 2005 with conversion prices ranging from $3.11 through $5.91.
(7) The Reporting Person is a trustee of the Wallace Foundation which holds 32,910 shares.
(8) The exercisable date, conversion price and expiration date on the stock appreciation rights represent information from the most recent grant, 5/25/11. The Reporting Person has received stock appreciation rights from 2006 through 2011 with conversion prices ranging from $0.20 to $2.08.

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