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
                                                                                  
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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(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

NEIDORFF MICHAEL F 		2. Issuer Name and Ticker or Trading Symbol

CENTENE CORP [ CNC ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Chairman, President and CEO
(Last)          (First)          (Middle)

7711 CARONDELET AVENUE 		3. Date of Earliest Transaction (MM/DD/YYYY)

7/23/2010
(Street)

ST. LOUIS, MO 63105
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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                  1526363   (1) D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
Phantom Stock   $0   (2) 7/23/2010     A      122.69   (3)      7/23/2010   7/23/2010   (4) Common Stock   122.69   $20.69   44780.024   D    
Common Stock Option (right to buy)   $7.57                    7/24/2007   7/24/2012   Common Stock   210     210   D    
Common Stock Option (right to buy)   $13.58                    8/26/2006   8/26/2013   Common Stock   233036     233036   D    
Common Stock Option (right to buy)   $13.98                    12/16/2006   12/16/2013   Common Stock   200000     200000   D    
Common Stock Option (right to buy)   $17.85                    7/27/2007   7/27/2014   Common Stock   180000     180000   D    
Common Stock Option (right to buy)   $25.40                    12/13/2008   12/13/2015   Common Stock   200000     200000   D    
Common Stock Option (right to buy)   $25.21                    12/12/2009   12/12/2016   Common Stock   100000     100000   D    

Explanation of Responses:
( 1)  Ownership includes previous awards of 650,000 restricted stock units subject to vesting requirements.
( 2)  Each share of phantom stock represents the right to receive the fair market value of one share of Centene common stock.
( 3)  The phantom stock was acquired by Mr. Neidorff through regular scheduled payroll contributions to the Company's deferred compensation plan.
( 4)  The phantom stock has no formal expiration date. The phantom stock will be settled in cash or other non-Company securities upon Mr. Neidorff's termination with the Company or on such other date Mr. Neidorff may elect.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
NEIDORFF MICHAEL F
7711 CARONDELET AVENUE
ST. LOUIS, MO 63105 		X
Chairman, President and CEO

Signatures
/s/ William N. Scheffel (executed by attorney-in-fact) 7/23/2010
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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.
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