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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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 & CEO (Last) (First) (Middle) 7700 FORYSTH BOULEVARD 3. Date of Earliest Transaction (Month/Day/Year) 12/12/2017 (Street) ST. LOUIS, MO 63105 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 12/12/2017   G V 50 D $ 0 3,724,279.1753 (1) D   Common Stock 12/13/2017   A   160,000 A $ 100.86 3,884,279.1753 (1) D   Common Stock 12/14/2017   F   14,385 (2) D $ 101.19 3,869,894.1753 (1) D   Common Stock               3,600 I By Spouse Common Stock               200,000 I By GRAT (3)

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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

Phantom Stock

$ 0 (4)

02/11/2011

02/11/2011(5)

Common Stock

101,138.002

101,138.002

D

Common Stock Option (right to buy)

$ 57.02

12/14/2019

12/14/2026

Common Stock

20,000

20,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
NEIDORFF MICHAEL F 7700 FORYSTH BOULEVARD ST. LOUIS, MO 63105	X		Chairman & CEO

Signatures

/s/ Jeffrey A. Schwaneke (executed by attorney-in-fact)		12/14/2017
**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)	Ownership includes this award of 160,000 restricted stock units. 96,000 units are performance stock units. The number of performance stock units vesting at the end of the three year period is predicated on meeting three-year performance conditions. The remaining 64,000 units will vest in three annual installments on the anniversary of the grant date. In addition, ownership includes previous awards of 430,000 restricted stock units subject to vesting requirements.
(2)	Shares withheld for taxes upon vesting of previously reported stock grant.
(3)	Owned by a grantor retained annuity trust of which Mr. Neidorff is the trustee and beneficiary of the annuity.
(4)	Each share of phantom stock represents the right to receive the fair market value of one share of Centene common stock.
(5)	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.

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