<SEC-DOCUMENT>0000921895-19-000566-index.html : 20190222
<SEC-HEADER>0000921895-19-000566.hdr.sgml : 20190222
<ACCEPTANCE-DATETIME>20190222172415
ACCESSION NUMBER:		0000921895-19-000566
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20190222
DATE AS OF CHANGE:		20190222

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAGELLAN HEALTH INC
		CENTRAL INDEX KEY:			0000019411
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HOSPITALS [8060]
		IRS NUMBER:				581076937
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-12251
		FILM NUMBER:		19626856

	BUSINESS ADDRESS:	
		STREET 1:		4800 N. SCOTTSDALE ROAD
		STREET 2:		SUITE 4400
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85251
		BUSINESS PHONE:		602-572-6050

	MAIL ADDRESS:	
		STREET 1:		4800 N. SCOTTSDALE ROAD
		STREET 2:		SUITE 4400
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85251

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MAGELLAN HEALTH SERVICES INC
		DATE OF NAME CHANGE:	19960226

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHARTER MEDICAL CORP
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Starboard Value LP
		CENTRAL INDEX KEY:			0001517137
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		777 THIRD AVENUE, 18TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		(212) 845-7977

	MAIL ADDRESS:	
		STREET 1:		777 THIRD AVENUE, 18TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>sc13da106297258_02222019.htm
<DESCRIPTION>AMENDMENT NO. 1 TO THE SCHEDULE 13D
<TEXT>
Document 1 - file: sc13da106297258_02222019.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>2
<FILENAME>ex991to13da106297258_022219.pdf
<DESCRIPTION>EXHIBIT 99.1: LETTER TO SHAREHOLDERS, DATED FEBRUARY 22, 2019
<TEXT>
Document 2 - file: ex991to13da106297258_022219.pdf

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>ex992to13da106297258_022219.htm
<DESCRIPTION>JOINT FILING AND SOLICITATION AGREEMENT
<TEXT>
Document 3 - file: ex992to13da106297258_022219.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>4
<FILENAME>ex993to13da106297258_022219.htm
<DESCRIPTION>FORM OF INDEMNIFICATION LETTER AGREEMENT
<TEXT>
Document 4 - file: ex993to13da106297258_022219.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.4
<SEQUENCE>5
<FILENAME>ex994to13da106297258_022219.htm
<DESCRIPTION>FORM OF COMPENSATION LETTER AGREEMENT
<TEXT>
Document 5 - file: ex994to13da106297258_022219.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.5
<SEQUENCE>6
<FILENAME>ex995to13da106297258_022219.htm
<DESCRIPTION>POWERS OF ATTORNEY
<TEXT>
Document 6 - file: ex995to13da106297258_022219.htm

</DOCUMENT>
</SEC-DOCUMENT>