13D Filing: Starboard Value LP and Magellan Health Inc (NASDAQ:MGLN)

The following constitutes
the Schedule 13D filed by the undersigned (the “Schedule 13D”).

Item 1.

Security and Issuer.

This statement relates
to the ordinary common stock, par value $0.01 per share (the “Shares”), of Magellan Health Inc., a Delaware corporation
(the “Issuer”). The address of the principal executive offices of the Issuer is 4800 N. Scottsdale Rd., Suite 4400,
Scottsdale, Arizona 85251.

Item 2.

Identity and Background.

(a)       This
statement is filed by:

(i)

Starboard Value and Opportunity Master Fund Ltd, a Cayman Islands exempted company (“Starboard V&O Fund”), with respect to the Shares directly and beneficially owned by it;

(ii)

Starboard Value and Opportunity S LLC, a Delaware limited liability company (“Starboard S LLC”), with respect to the Shares directly and beneficially owned by it;

(iii)

Starboard Value and Opportunity C LP, a Delaware limited partnership (“Starboard C LP”), with respect to the Shares directly and beneficially owned by it;

(iv)

Starboard Value R LP (“Starboard R LP”), as the general partner of Starboard C LP;

(v)

Starboard Value R GP LLC (“Starboard R GP”), as the general partner of Starboard R LP;

(vi)

Starboard Value LP (“Starboard Value LP”), as the investment manager of Starboard V&O Fund, Starboard C LP and of a certain managed account (the “Starboard Value LP Account”) and the manager of Starboard S LLC;

(vii)

Starboard Value GP LLC (“Starboard Value GP”), as the general partner of Starboard Value LP;

(viii)

Starboard Principal Co LP (“Principal Co”), as a member of Starboard Value GP;

(ix)

Starboard Principal Co GP LLC (“Principal GP”), as the general partner of Principal Co;

(x)

Jeffrey C. Smith, as a member of Principal GP and as a member of each of the Management Committee of Starboard Value GP and the Management Committee of Principal GP;

(xi)

Mark R. Mitchell, as a member of Principal GP and as a member of each of the Management Committee of Starboard Value GP and the Management Committee of Principal GP; and

(xii)

Peter A. Feld, as a member of Principal GP and as a member of each of the Management Committee of Starboard Value GP and the Management Committee of Principal GP.