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 *
Wisnefsky Eric C
   2. Issuer Name and Ticker or Trading Symbol
Chemtura CORP [CEM] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP and Treasurer
(Last)
(First)
(Middle)
199 BENSON ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
02/16/2007
(Street)

MIDDLEBURY, CT 06749		 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               3,663 D  
Common Stock               2,400.9093 I ESPP
Common Stock               6,500 I Restricted Stock Account
Common Stock 02/16/2007   J(1)   6,400 A $ 12.06 6,400 I Restricted Stock Account 2007-2009 LTIP
Common Stock               4,034 I Restricted Stock Account I
Common Stock               6,700 I Restricted Stock Account II
Common Stock               3,200 I Restricted Stock Account: Merger Integration Grants
Common Stock               3,864 I Savings Plan (401k) Trust

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
ISO Stock Option (Right to Buy) $ 8.1562             11/24/2004 10/31/2010 Common Stock 1,000   1,000 D  
ISO Stock Option (Right to Buy) $ 8.3437             11/24/2004 10/19/2009 Common Stock 167   167 D  
NQ Stock Option (Right to Buy) $ 5.85             11/24/2004 11/19/2013 Common Stock 4,000   4,000 D  
NQ Stock Option (Right to Buy) $ 7.25             11/24/2004 11/21/2012 Common Stock 3,000   3,000 D  
NQ Stock Option (Right to Buy) $ 7.92             11/24/2004 11/22/2011 Common Stock 2,000   2,000 D  
NQ Stock Option (Right to Buy) $ 10.75             03/06/2007 04/05/2016 Common Stock 20,000   20,000 D  
NQ Stock Option (Right to Buy) $ 11.24             11/23/2005 12/22/2014 Common Stock 30,000   30,000 D  
NQ Stock Option (Right to Buy) $ 12.46             01/31/2007 02/29/2016 Common Stock 19,200   19,200 D  
NQ Stock Option (Right to Buy) $ 12.92             02/23/2006 03/22/2015 Common Stock 20,000   20,000 D  
NQ Stock Option (Right to Buy) $ 12.06 02/16/2007   J(2)   20,000   02/16/2008 02/16/2017 Common Stock 20,000 $ 12.06 20,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Wisnefsky Eric C
199 BENSON ROAD
MIDDLEBURY, CT 06749		       VP and Treasurer  

Signatures

 Eric C. Wisnefsky   02/21/2007
**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).
(2) Options will vest as follows: one-quarter of grant on February 16, 2008; one-quarter of grant on February 16, 2009; one-quarter of grant on February 16, 2010; and one-quarter of grant on February 16, 2011.
(1) Restricted shares acquired pursuant to the 2007-2009 Long-Term Incentive Plan.

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