UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO

§ 240.13d-2(a)

(Amendment No. 1)1

MEDNAX, Inc.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

58502B106

(CUSIP Number)

JEFFREY C. SMITH

STARBOARD VALUE LP

777 Third Avenue, 18th Floor

New York, New York 10017

(212) 845-7977

 

STEVE WOLOSKY, ESQ.

ANDREW FREEDMAN, ESQ.

OLSHAN FROME WOLOSKY LLP

1325 Avenue of the Americas

New York, New York 10019

(212) 451-2300

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

 

February 27, 2020

(Date of Event Which Requires Filing of This Statement)

 

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box ¨.

Note:  Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See § 240.13d-7 for other parties to whom copies are to be sent.

 

1              The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 

CUSIP No. 58502B106

  1   NAME OF REPORTING PERSON  
         
        STARBOARD VALUE LP  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        OO  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         7,590,000  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          7,590,000  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        7,590,000*  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        9.0%  
  14   TYPE OF REPORTING PERSON  
         
        PN  

  

* Includes 110,775 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.  

2

CUSIP No. 58502B106

  1   NAME OF REPORTING PERSON  
         
        STARBOARD VALUE AND OPPORTUNITY MASTER FUND LTD  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        WC  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        CAYMAN ISLANDS  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         4,734,077  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          4,734,077  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        4,734,077*  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        5.6%  
  14   TYPE OF REPORTING PERSON  
         
        CO  

  

* Includes 110,775 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.  

3

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        STARBOARD VALUE AND OPPORTUNITY S LLC  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        WC  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         738,568  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          738,568  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        738,568  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        Less than 1%  
  14   TYPE OF REPORTING PERSON  
         
        OO  

  

4

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        STARBOARD VALUE AND OPPORTUNITY C LP  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        WC  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         428,157  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          428,157  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        428,157  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        Less than 1%  
  14   TYPE OF REPORTING PERSON  
         
        PN  

  

5

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        STARBOARD VALUE R LP  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        OO  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         428,157  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          428,157  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        428,157  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        Less than 1%  
  14   TYPE OF REPORTING PERSON  
         
        PN  

  

6

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        STARBOARD VALUE R GP LLC  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        OO  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         837,220  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          837,220  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        837,220  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        1.0%  
  14   TYPE OF REPORTING PERSON  
         
        OO  

  

7

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        STARBOARD VALUE AND OPPORTUNITY MASTER FUND L LP  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        WC  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        CAYMAN ISLANDS  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         409,063  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          409,063  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        409,063  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        Less than 1%  
  14   TYPE OF REPORTING PERSON  
         
        PN  

  

8

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        STARBOARD VALUE L LP  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        OO  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         409,063  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          409,063  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        409,063  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        Less than 1%  
  14   TYPE OF REPORTING PERSON  
         
        PN  

  

9

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        STARBOARD VALUE GP LLC  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        OO  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         7,590,000  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          7,590,000  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        7,590,000*  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        9.0%  
  14   TYPE OF REPORTING PERSON  
         
        OO  

  

* Includes 110,775 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.  

10

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        STARBOARD PRINCIPAL CO LP  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        OO  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         7,590,000  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          7,590,000  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        7,590,000*  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        9.0%  
  14   TYPE OF REPORTING PERSON  
         
        PN  

  

* Includes 110,775 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.  

11

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        STARBOARD PRINCIPAL CO GP LLC  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        OO  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         7,590,000  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          7,590,000  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        7,590,000*  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        9.0%  
  14   TYPE OF REPORTING PERSON  
         
        OO  

  

* Includes 110,775 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.  

12

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        JEFFREY C. SMITH  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        OO  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        USA  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         - 0 -  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         7,590,000  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          - 0 -  
    10   SHARED DISPOSITIVE POWER  
           
          7,590,000  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        7,590,000*  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        9.0%  
  14   TYPE OF REPORTING PERSON  
         
        IN  

  

* Includes 110,775 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.  

13

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        PETER A. FELD  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        OO  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        USA  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         - 0 -  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         7,590,000  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          - 0 -  
    10   SHARED DISPOSITIVE POWER  
           
          7,590,000  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        7,590,000*  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        9.0%  
  14   TYPE OF REPORTING PERSON  
         
        IN  

 

* Includes 110,775 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.   

14

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        THOMAS A. MCEACHIN  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        PF  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        USA  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         625  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          625  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        625  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        Less than 1%  
  14   TYPE OF REPORTING PERSON  
         
        IN  

  

15

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        GAVIN T. MOLINELLI  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
         
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        USA  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         - 0 -  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          - 0 -  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        - 0 -  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        0%  
  14   TYPE OF REPORTING PERSON  
         
        IN  

  

16

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        MARRAN H. OGILVIE  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        PF  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        USA  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         973  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          973  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        973  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        Less than 1%  
  14   TYPE OF REPORTING PERSON  
         
        IN  

  

17

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        ERIN L. RUSSELL  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        PF  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        USA  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         1,614  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          1,614  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        1,614  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        Less than 1%  
  14   TYPE OF REPORTING PERSON  
         
        IN  

  

18

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        STEVEN J. SHULMAN  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        PF  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        USA  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         593  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          593  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        593  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        Less than 1%  
  14   TYPE OF REPORTING PERSON  
         
        IN  

  

19

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        JOHN M. STARCHER, JR.  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        PF  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        USA  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         616  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          616  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        616  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        Less than 1%  
  14   TYPE OF REPORTING PERSON  
         
        IN  

  

20

CUSIP No. 58502B106

 

  1   NAME OF REPORTING PERSON  
         
        SHIRLEY A. WEIS  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        PF  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        USA  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         1,007  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          1,007  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        1,007  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        Less than 1%  
  14   TYPE OF REPORTING PERSON  
         
        IN  

  

21

CUSIP No. 58502B106

The following constitutes Amendment No. 1 to the Schedule 13D filed by the undersigned (“Amendment No. 1”). This Amendment No. 1 amends the Schedule 13D as specifically set forth herein.

Item 3.Source and Amount of Funds or Other Consideration.

Item 3 is hereby amended and restated to read as follows:

The Shares purchased by each of Starboard V&O Fund, Starboard S LLC, Starboard C LP, Starboard L Master and held in the Starboard Value LP Account were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business) in open market purchases, except as otherwise noted, as set forth in Schedule A, which is incorporated by reference herein.

The aggregate purchase price of the 4,623,302 Shares beneficially owned by Starboard V&O Fund is approximately $110,795,745, excluding brokerage commissions. The aggregate purchase price of the entered into over-the-counter forward purchase contracts providing for the purchase of 110,775 Shares by Starboard V&O Fund is approximately $2,616,363, excluding brokerage commissions. The aggregate purchase price of the 738,568 Shares beneficially owned by Starboard S LLC is approximately $17,722,765, excluding brokerage commissions. The aggregate purchase price of the 428,157 Shares beneficially owned by Starboard C LP is approximately $10,274,284, excluding brokerage commissions. The aggregate purchase price of the 409,063 Shares beneficially owned by Starboard L Master is approximately $9,812,719, excluding brokerage commissions. The aggregate purchase price of the 1,280,135 Shares held in the Starboard Value LP Account is approximately $30,953,661, excluding brokerage commissions.

The Shares purchased by Mr. McEachin were purchased with personal funds in the open market. The aggregate purchase price of the 625 Shares beneficially owned by Mr. McEachin is approximately $17,091, excluding brokerage commissions.

The Shares purchased by Ms. Ogilvie were purchased with personal funds in the open market. The aggregate purchase price of the 973 Shares beneficially owned by Ms. Ogilvie is approximately $24,987, excluding brokerage commissions.

The Shares purchased by Ms. Russell were purchased with personal funds in the open market. The aggregate purchase price of the 1,614 Shares beneficially owned by Ms. Russell is approximately $40,003, excluding brokerage commissions.

The Shares purchased by Mr. Shulman were purchased with personal funds in the open market. The aggregate purchase price of the 593 Shares beneficially owned by Mr. Shulman is approximately $15,000, excluding brokerage commissions.

22

CUSIP No. 58502B106

The Shares purchased by Mr. Starcher were purchased with personal funds in the open market. The aggregate purchase price of the 616 Shares beneficially owned by Mr. Starcher is approximately $15,505, excluding brokerage commissions.

The Shares purchased by Ms. Weis were purchased with personal funds in the open market. The aggregate purchase price of the 1,007 Shares beneficially owned by Ms. Weis is approximately $24,989, excluding brokerage commissions.

Item 5.Interest in Securities of the Issuer.

Items 5(a) – (c) are hereby amended and restated to read as follows:

The aggregate percentage of Shares reported owned by each person named herein is based upon 84,277,494 Shares outstanding, as of February 14, 2020, which is the total number of Shares outstanding as reported in the Issuer’s Annual Report on Form 10-K filed with the Securities and Exchange Commission on February 20, 2020.

A.Starboard V&O Fund
(a)As of the close of business on March 2, 2020, Starboard V&O Fund beneficially owned 4,734,077 Shares, including 110,775 Shares underlying certain forward purchase contracts.

Percentage: Approximately 5.6%

(b)1. Sole power to vote or direct vote: 4,734,077
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 4,734,077
4. Shared power to dispose or direct the disposition: 0

 

(c)The transactions in the Shares by Starboard V&O Fund since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
B.Starboard S LLC
(a)As of the close of business on March 2, 2020, Starboard S LLC beneficially owned 738,568 Shares.

Percentage: Less than 1%

23

CUSIP No. 58502B106

(b)1. Sole power to vote or direct vote: 738,568
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 738,568
4. Shared power to dispose or direct the disposition: 0

 

(c)The transactions in the Shares by Starboard S LLC since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
C.Starboard C LP
(a)As of the close of business on March 2, 2020, Starboard C LP beneficially owned 428,157 Shares.

Percentage: Less than 1%

(b)1. Sole power to vote or direct vote: 428,157
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 428,157
4. Shared power to dispose or direct the disposition: 0

 

(c)The transactions in the Shares by Starboard C LP since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
D.Starboard R LP
(a)Starboard R LP, as the general partner of Starboard C LP, may be deemed the beneficial owner of the 428,157 Shares owned by Starboard C LP.

Percentage: Less than 1%

(b)1. Sole power to vote or direct vote: 428,157
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 428,157
4. Shared power to dispose or direct the disposition: 0

 

(c)Starboard R LP has not entered into any transactions in the Shares since the filing of the Schedule 13D. The transactions in the Shares on behalf of Starboard C LP since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
24

CUSIP No. 58502B106

E.Starboard R GP
(a)Starboard R GP, as the general partner of Starboard R LP and Starboard L GP, may be deemed the beneficial owner of the (i) 428,157 shares owned by Starboard C LP and (ii) 409,063 Shares owned by Starboard L Master.

Percentage: Approximately 1.0%

(b)1. Sole power to vote or direct vote: 837,220
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 837,220
4. Shared power to dispose or direct the disposition: 0

 

(c)Starboard R GP has not entered into any transactions in the Shares since the filing of the Schedule 13D. The transactions in the Shares on behalf of each of Starboard C LP and Starboard L Master since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
F.Starboard L Master
(a)As of the close of business on March 2, 2020, Starboard L Master beneficially owned 409,063 Shares.

Percentage: Less than 1%

(b)1. Sole power to vote or direct vote: 409,063
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 409,063
4. Shared power to dispose or direct the disposition: 0

 

(c)The transactions in the Shares by Starboard L Master since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
G.Starboard L GP
(a)Starboard L GP, as the general partner of Starboard L Master, may be deemed the beneficial owner of the 409,063 Shares owned by Starboard L Master.

Percentage: Less than 1%

25

CUSIP No. 58502B106

(b)1. Sole power to vote or direct vote: 409,063
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 409,063
4. Shared power to dispose or direct the disposition: 0

 

(c)Starboard L GP has not entered into any transactions in the Shares since the filing of the Schedule 13D. The transactions in the Shares on behalf of Starboard L Master since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
H.Starboard Value LP
(a)

As of the close of business on March 2, 2020, 1,280,135 Shares were held in the Starboard Value LP Account. Starboard Value LP, as the investment manager of Starboard V&O Fund, Starboard C LP, Starboard L Master, and the Starboard Value LP Account and the manager of Starboard S LLC, may be deemed the beneficial owner of the (i) 4,734,077 Shares owned by Starboard V&O Fund, (ii) 738,568 Shares owned by Starboard S LLC, (iii) 428,157 Shares owned by Starboard C LP, (iv) 409,063 Shares owned by Starboard L Master, and (v) 1,280,135 Shares held in the Starboard Value LP Account.

Percentage: Approximately 9.0%

(b)1. Sole power to vote or direct vote: 7,590,000
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 7,590,000
4. Shared power to dispose or direct the disposition: 0

 

(c)The transactions in the Shares by Starboard Value LP through the Starboard Value LP Account and on behalf of each of Starboard V&O Fund, Starboard S LLC, Starboard C LP and Starboard L Master since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
I.Starboard Value GP
(a)

Starboard Value GP, as the general partner of Starboard Value LP, may be deemed the beneficial owner of the (i) 4,734,077 Shares owned by Starboard V&O Fund, (ii) 738,568 Shares owned by Starboard S LLC, (iii) 428,157 Shares owned by Starboard C LP, (iv) 409,063 Shares owned by Starboard L Master, and (v) 1,280,135 Shares held in the Starboard Value LP Account.

Percentage: Approximately 9.0%

26

CUSIP No. 58502B106

(b)1. Sole power to vote or direct vote: 7,590,000
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 7,590,000
4. Shared power to dispose or direct the disposition: 0

 

(c)Starboard Value GP has not entered into any transactions in the Shares since the filing of the Schedule 13D. The transactions in the Shares on behalf of each of Starboard V&O Fund, Starboard S LLC, Starboard C LP, Starboard L Master and through the Starboard Value LP Account since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
J.Principal Co
(a)

Principal Co, as a member of Starboard Value GP, may be deemed the beneficial owner of the (i) 4,734,077 Shares owned by Starboard V&O Fund, (ii) 738,568 Shares owned by Starboard S LLC, (iii) 428,157 Shares owned by Starboard C LP, (iv) 409,063 Shares owned by Starboard L Master, and (v) 1,280,135 Shares held in the Starboard Value LP Account.

Percentage: Approximately 9.0%

(b)1. Sole power to vote or direct vote: 7,590,000
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 7,590,000
4. Shared power to dispose or direct the disposition: 0

 

(c)Principal Co has not entered into any transactions in the Shares since the filing of the Schedule 13D. The transactions in the Shares on behalf of each of Starboard V&O Fund, Starboard S LLC, Starboard C LP, Starboard L Master and through the Starboard Value LP Account since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
K.Principal GP
(a)

Principal GP, as the general partner of Principal Co, may be deemed the beneficial owner of the (i) 4,734,077 Shares owned by Starboard V&O Fund, (ii) 738,568 Shares owned by Starboard S LLC, (iii) 428,157 Shares owned by Starboard C LP, (iv) 409,063 Shares owned by Starboard L Master, and (v) 1,280,135 Shares held in the Starboard Value LP Account.

Percentage: Approximately 9.0%

27

CUSIP No. 58502B106

(b)1. Sole power to vote or direct vote: 7,590,000
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 7,590,000
4. Shared power to dispose or direct the disposition: 0

 

(c)Principal GP has not entered into any transactions in the Shares since the filing of the Schedule 13D. The transactions in the Shares on behalf of each of Starboard V&O Fund, Starboard S LLC, Starboard C LP, Starboard L Master and through the Starboard Value LP Account since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
L.Messrs. Smith and Feld
(a)

Each of Messrs. Smith and 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, may be deemed the beneficial owner of the (i) 4,734,077 Shares owned by Starboard V&O Fund, (ii) 738,568 Shares owned by Starboard S LLC, (iii) 428,157 Shares owned by Starboard C LP, (iv) 409,063 Shares owned by Starboard L Master, and (v) 1,280,135 Shares held in the Starboard Value LP Account.

Percentage: Approximately 9.0%

(b)1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 7,590,000
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 7,590,000

 

(c)None of Messrs. Smith or Feld has entered into any transactions in the Shares since the filing of the Schedule 13D. The transactions in the Shares on behalf of each of Starboard V&O Fund, Starboard S LLC, Starboard C LP, Starboard L Master and through the Starboard Value LP Account since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
M.Mr. McEachin
(a)As of the close of business on March 2, 2020, Mr. McEachin beneficially owned 625 Shares.

Percentage: Less than 1%

(b)1. Sole power to vote or direct vote: 625
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 625
4. Shared power to dispose or direct the disposition: 0

 

(c)Mr. McEachin has not entered into any transactions in the Shares since the filing of the Schedule 13D.
28

CUSIP No. 58502B106

N.Mr. Molinelli
(a)As of the close of business on March 2, 2020, Mr. Molinelli did not own any Shares.

Percentage: 0%

(b)1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 0

 

(c)Mr. Molinelli has not entered into any transactions in the Shares since the filing of the Schedule 13D.
O.Ms. Ogilvie
(a)As of the close of business on March 2, 2020, Ms. Ogilvie beneficially owned 973 Shares.

Percentage: Less than 1%

(b)1. Sole power to vote or direct vote: 973
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 973
4. Shared power to dispose or direct the disposition: 0

 

(c)Ms. Ogilvie has not entered into any transactions in the Shares since the filing of the Schedule 13D.
P.Ms. Russell
(a)As of the close of business on March 2, 2020, Ms. Russell beneficially owned 1,614 Shares.

Percentage: Less than 1%

(b)1. Sole power to vote or direct vote: 1,614
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 1,614
4. Shared power to dispose or direct the disposition: 0

 

(c)Ms. Russell has not entered into any transactions in the Shares since the filing of the Schedule 13D.
29

CUSIP No. 58502B106

Q.Mr. Shulman
(a)As of the close of business on March 2, 2020, Mr. Shulman beneficially owned 593 Shares.

Percentage: Less than 1%

(b)1. Sole power to vote or direct vote: 593
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 593
4. Shared power to dispose or direct the disposition: 0

 

(c)Mr. Shulman has not entered into any transactions in the Shares since the filing of the Schedule 13D.
R.Mr. Starcher
(a)As of the close of business on March 2, 2020, Mr. Starcher beneficially owned 616 Shares.

Percentage: Less than 1%

(b)1. Sole power to vote or direct vote: 616
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 616
4. Shared power to dispose or direct the disposition: 0

 

(c)Mr. Starcher has not entered into any transactions in the Shares since the filing of the Schedule 13D.
S.Ms. Weis
(a)As of the close of business on March 2, 2020, Ms. Weis beneficially owned 1,007 Shares.

Percentage: Less than 1%

(b)1. Sole power to vote or direct vote: 1,007
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 1,007
4. Shared power to dispose or direct the disposition: 0

 

(c)Ms. Weis has not entered into any transactions in the Shares since the filing of the Schedule 13D.

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CUSIP No. 58502B106

As of the close of business on March 2, 2020, the Reporting Persons collectively beneficially owned an aggregate of 7,595,428 Shares, constituting approximately 9.0% of the Shares outstanding.

The filing of this Schedule 13D shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any securities of the Issuer that he, she or it does not directly own. Each of the Reporting Persons specifically disclaims beneficial ownership of the securities reported herein that he, she or it does not directly own.

Item 6.Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.

Item 6 is hereby amended to add the following:

As previously disclosed, Starboard V&O Fund first entered into a forward purchase contract with Morgan Stanley as the counterparty on the date referenced in Schedule A providing for the purchase of 47,475 Shares. Starboard V&O Fund has since entered into an additional forward purchase contract with Morgan Stanley as the counterparty on the date referenced in Schedule A providing for the purchase of 63,300 Shares. The forward purchase contracts provide for the purchase of an aggregate of 110,775 Shares having a purchase price of approximately $2,616,363 (the “MS Forward Contracts”). The MS Forward Contracts have a final valuation date of August 13, 2021, however, Starboard V&O Fund has the ability to elect early settlement after serving notice to the counter-party of such intention at least two scheduled trading days in advance of the desired early final valuation date. The MS Forward Contracts provide for physical settlement. Until the settlement date, the MS Forward Contracts do not give the Reporting Persons voting and dispositive control over the Shares to which such contracts relate.

 

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CUSIP No. 58502B106

SIGNATURES

After reasonable inquiry and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated: March 2, 2020

STARBOARD VALUE AND OPPORTUNITY MASTER FUND LTD

By: Starboard Value LP,

its investment manager

 

Starboard Value and Opportunity S LLC

By: Starboard Value LP,

its manager

 

Starboard Value and Opportunity C LP

By: Starboard Value R LP,

its general partner

 

STARBOARD VALUE R LP

By: Starboard Value R GP LLC,

its general partner

 

Starboard Value and Opportunity Master Fund L LP

By: Starboard Value L LP,

its general partner

 

 

 

Starboard Value L LP

By: Starboard Value R GP LLC,

its general partner

 

STARBOARD VALUE LP

By: Starboard Value GP LLC,

its general partner

 

STARBOARD VALUE GP LLC

By: Starboard Principal Co LP,

its member

 

STARBOARD PRINCIPAL CO LP

By: Starboard Principal Co GP LLC,

its general partner

 

STARBOARD PRINCIPAL CO GP LLC

 

Starboard Value R GP LLC

 

   
   
  By:

/s/ Jeffrey C. Smith

    Name: Jeffrey C. Smith
    Title: Authorized Signatory

 

   
   

/s/ Jeffrey C. Smith

 
JEFFREY C. SMITH  
Individually and as attorney-in-fact for Peter A. Feld, Thomas A. McEachin, Gavin T. Molinelli, Marran H. Ogilvie, Erin L. Russell, Steven J. Shulman, John M. Starcher, Jr. and Shirley A. Weis.  
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CUSIP No. 58502B106

SCHEDULE A

Transactions in the Shares Since the Filing of the Schedule 13D

Nature of the Transaction

Amount of Securities

Purchased/(Sold)

Price ($)

Date of

Purchase/Sale

 

STARBOARD VALUE AND OPPORTUNITY MASTER FUND LTD

 

Purchase of Forward Contract 63,300 21.0247 02/20/2020
Purchase of Common Stock 7,767 18.5649 02/25/2020
Purchase of Common Stock 7,767 18.5649 02/25/2020
Purchase of Common Stock 18,103 18.5867 02/25/2020
Purchase of Common Stock 18,103 18.5867 02/25/2020
Purchase of Common Stock 44,999 18.5339 02/25/2020
Purchase of Common Stock 44,999 18.5339 02/25/2020
Purchase of Common Stock 87,381 17.7249 02/26/2020
Purchase of Common Stock 87,381 17.7249 02/26/2020
Purchase of Common Stock 15,825 17.2438 02/27/2020
Purchase of Common Stock 15,825 17.2438 02/27/2020
Purchase of Common Stock 126,600 17.1631 02/27/2020
Purchase of Common Stock 126,600 17.1631 02/27/2020
Purchase of Common Stock 63,300 16.7089 02/28/2020
Purchase of Common Stock 63,300 16.7089 02/28/2020
Purchase of Common Stock 4,793 17.2349 03/02/2020
Purchase of Common Stock 4,792 17.2349 03/02/2020

  

STARBOARD VALUE AND OPPORTUNITY C LP

 

Purchase of Common Stock 5,500 21.0247 02/20/2020
Purchase of Common Stock 1,350 18.5649 02/25/2020
Purchase of Common Stock 3,146 18.5867 02/25/2020
Purchase of Common Stock 7,819 18.5339 02/25/2020
Purchase of Common Stock 15,185 17.7249 02/26/2020
Purchase of Common Stock 2,750 17.2438 02/27/2020
Purchase of Common Stock 22,000 17.1631 02/27/2020
Purchase of Common Stock 11,000 16.7089 02/28/2020
Purchase of Common Stock 825 17.2349 03/02/2020

  

 

CUSIP No. 58502B106

STARBOARD VALUE AND OPPORTUNITY S LLC

 

Purchase of Common Stock 9,500 21.0247 02/20/2020
Purchase of Common Stock 2,331 18.5649 02/25/2020
Purchase of Common Stock 5,434 18.5867 02/25/2020
Purchase of Common Stock 13,507 18.5339 02/25/2020
Purchase of Common Stock 26,228 17.7249 02/26/2020
Purchase of Common Stock 4,750 17.2438 02/27/2020
Purchase of Common Stock 38,000 17.1631 02/27/2020
Purchase of Common Stock 19,000 16.7089 02/28/2020
Purchase of Common Stock 1,410 17.2349

03/02/2020

 

STARBOARD VALUE AND OPPORTUNITY MASTER FUND L LP

 

Purchase of Common Stock 5,300 21.0247 02/20/2020
Purchase of Common Stock 1,301 18.5649 02/25/2020
Purchase of Common Stock 3,032 18.5867 02/25/2020
Purchase of Common Stock 7,535 18.5339 02/25/2020
Purchase of Common Stock 14,632 17.7249 02/26/2020
Purchase of Common Stock 2,650 17.2438 02/27/2020
Purchase of Common Stock 21,200 17.1631 02/27/2020
Purchase of Common Stock 10,600 16.7089 02/28/2020
Purchase of Common Stock 765

17.2349

03/02/2020

 

STARBOARD VALUE LP

(Through the Starboard Value LP Account)

 

Purchase of Common Stock 16,400 21.0247 02/20/2020
Purchase of Common Stock 4,024 18.5649 02/25/2020
Purchase of Common Stock 9,381 18.5867 02/25/2020
Purchase of Common Stock 23,317 18.5339 02/25/2020
Purchase of Common Stock 45,278 17.7249 02/26/2020
Purchase of Common Stock 8,200 17.2438 02/27/2020
Purchase of Common Stock 65,600 17.1631 02/27/2020
Purchase of Common Stock 32,800 16.7089 02/28/2020
Purchase of Common Stock 2,415 17.2349 03/02/2020