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 * GREGOIRE DANIEL 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) General Counsel and Secretary (Last) (First) (Middle) 55 NOD ROAD 3. Date of Earliest Transaction (Month/Day/Year) 05/16/2006 (Street) AVON, CT 06001 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

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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 Option (right to buy)

$ 38.52

05/16/2006(1)

A

21,675

(2)

02/24/2016

Common Stock

21,675

$ 0 (3)

21,675

D

Restricted Stock Units

(4)

05/16/2006

A

2,759

(5)

(3)

Common Stock

2,759

(3)

2,759

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
GREGOIRE DANIEL N 55 NOD ROAD AVON, CT 06001			General Counsel and Secretary

Signatures

/s/ Daniel N Gregoire		05/18/2006
**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 option grant was approved by the Board of Directors of the Issuer on February 24, 2006, subject to shareholder approval of the 2006 Management Incentive Plan under which the options were granted. The shareholders of the Issuer approved the Plan on May 16, 2006. As per the Plan, the exercise price of the options was the fair market value on the date of grant determined by using the average of the opening and closing price of the Issuer's Ordinary Common Stock on NASDAQ on February 24, 2006.
(2)	Options vest and become exercisable in one-third increments on February 24, of each of 2007, 2008 and 2009, subject to satisfaction of certain performance requirements for certain of such options.
(3)	Not applicable.
(4)	The restricted stock unit award was approved by the Board of Directors of the Issuer on February 24, 2006, subject to shareholder approval of the 2006 Management Incentive Plan under which the restricted stock units were granted. The shareholders of the Issuer approved the Plan on May 16, 2006. Each restricted stock unit represents a contingent right to receive one share of Magellan common stock.
(5)	Restricted Stock Units shall vest in one-third increments on February 24, of each of 2007, 2008 and 2009, subject to satisfaction of certain performance requirements.

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