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 * WEST JEFFREY N   2. Issuer Name and Ticker or Trading Symbol MAGELLAN HEALTH SERVICES INC [MGLN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP & Controller (Last) (First) (Middle) 14100 MAGELLAN PLAZA 3. Date of Earliest Transaction (Month/Day/Year) 05/16/2007 (Street) MARYLAND HEIGHTS, MO 63043 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 Ordinary Common Stock, $0.01 par value 05/16/2007   M(1)   101 A $ 0 (2) 2,055 D   Ordinary Common Stock, $0.01 par value 06/12/2007   X(3)   5,754 A $ 34.57 7,809 D   Ordinary Common Stock, $0.01 par value 06/12/2007   S(3)   5,754 D $ 47.5 2,055 D

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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

Restricted Stock Units

$ 0 (2)

05/16/2007

M(1)

101

05/16/2007

(4)

Common Stock

101

$ 0 (2)

200 (5)

D

Stock Option (Right to Buy)

$ 34.57

06/12/2007

X(3)

5,754

03/10/2007

03/10/2015

Common Stock

5,754

$ 0 (2)

5,756 (6)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
WEST JEFFREY N 14100 MAGELLAN PLAZA MARYLAND HEIGHTS, MO 63043			SVP & Controller

Signatures

/s/ Jeff West		06/14/2007
**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).
(1)	This transaction was effectuated by a one-third vesting of the Restricted Stock Unit Award granted on 5/16/2006. Each Restricted Stock Unit represents a contingent right to receive one share of Magellan common stock.
(2)	No price was applicable to the acquisition of this security.
(3)	This transaction was effectuated pursuant to a Rule 10b-5-1 plan and, accordingly, not on a discretionary basis by the reporting person.
(4)	Not applicable.
(5)	The remainder of 200 restricted stock units shall vest in one-half increments on May 16 of each of 2008 and 2009.
(6)	The balance of 5,756 options will vest in one-half increments on March 10 of each of 2008 and 2009.

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