CUSIP No. 57886P103
|
Page 2 of 8 pages
|
||||||
1
|
NAMES OF REPORTING PERSONS
Larry N. Feinberg
|
||||||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
|
(a) o
|
|||||
3
|
SEC USE ONLY
|
||||||
4
|
SOURCE OF FUNDS (See Instructions)
PF
|
||||||
5
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o | |||||
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
|
||||||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON WITH
|
7
|
SOLE VOTING POWER
50,000*
|
|||||
8
|
SHARED VOTING POWER
2,075,000*
|
||||||
9
|
SOLE DISPOSITIVE POWER
50,000*
|
||||||
10
|
SHARED DISPOSITIVE POWER
2,075,000*
|
||||||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,125,000*
|
||||||
12
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (See Instructions)
|
o | |||||
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
10.10%**
|
||||||
14
|
TYPE OF REPORTING PERSON (See Instructions)
IN
|
CUSIP No. 57886P103
|
Page 3 of 8 pages
|
||||||
1
|
NAMES OF REPORTING PERSONS
Oracle Associates, LLC
|
||||||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
|
(a) o
(b) x |
|||||
3
|
SEC USE ONLY
|
||||||
4
|
SOURCE OF FUNDS (See Instructions)
N/A
|
||||||
5
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o | |||||
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
||||||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON WITH
|
7
|
SOLE VOTING POWER
-0-
|
|||||
8
|
SHARED VOTING POWER
2,075,000*
|
||||||
9
|
SOLE DISPOSITIVE POWER
-0-
|
||||||
10
|
SHARED DISPOSITIVE POWER
2,075,000*
|
||||||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,075,000*
|
||||||
12
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (See Instructions)
|
o | |||||
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
9.86%**
|
||||||
14
|
TYPE OF REPORTING PERSON (See Instructions)
OO
|
CUSIP No. 57886P103
|
Page 4 of 8 pages
|
||||||
1
|
NAMES OF REPORTING PERSONS
Oracle Partners, L.P.
|
||||||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
|
(a) o
(b) x |
|||||
3
|
SEC USE ONLY
|
||||||
4
|
SOURCE OF FUNDS (See Instructions)
OO
|
||||||
5
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o | |||||
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
||||||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON WITH
|
7
|
SOLE VOTING POWER
-0-
|
|||||
8
|
SHARED VOTING POWER
1,633,246*
|
||||||
9
|
SOLE DISPOSITIVE POWER
-0-
|
||||||
10
|
SHARED DISPOSITIVE POWER
1,633,246*
|
||||||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,633,246*
|
||||||
12
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (See Instructions)
|
o | |||||
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
7.76%**
|
||||||
14
|
TYPE OF REPORTING PERSON (See Instructions)
PN
|
CUSIP No. 57886P103
|
Page 5 of 8 pages
|
||||||
1
|
NAMES OF REPORTING PERSONS
Oracle Institutional Partners, L.P.
|
||||||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
|
(a) o
(b) x |
|||||
3
|
SEC USE ONLY
|
||||||
4
|
SOURCE OF FUNDS (See Instructions)
OO
|
||||||
5
|
CHECK IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)
|
o | |||||
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
||||||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON WITH
|
7
|
SOLE VOTING POWER
-0-
|
|||||
8
|
SHARED VOTING POWER
260,943*
|
||||||
9
|
SOLE DISPOSITIVE POWER
-0-
|
||||||
10
|
SHARED DISPOSITIVE POWER
260,943*
|
||||||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
260,943*
|
||||||
12
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (See Instructions)
|
o | |||||
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.24%**
|
||||||
14
|
TYPE OF REPORTING PERSON (See Instructions)
PN
|
Transacting Party
|
Date
|
Transaction Type
|
Number of ADSs
|
Price Per ADS
(excluding commissions) |
||||||
Oracle Ten Fund Master, LP
|
10/30/2014
|
Open Market Purchase
|
12,476
|
$
|
11.35
|
|||||
Oracle Ten Fund Master, LP
|
10/31/2014
|
Open Market Purchase
|
15,000
|
$
|
11.54
|
|||||
Mr. Feinberg
|
11/12/2014
|
Open Market Purchase
|
25,000
|
$
|
10.14
|
|||||
Mr. Feinberg
|
11/13/2014
|
Open Market Purchase
|
19,968
|
$
|
10.22
|
|||||
Oracle Ten Fund Master, LP
|
11/14/2014
|
Open Market Purchase
|
15,000
|
$
|
10.32
|
|||||
Oracle Ten Fund Master, LP
|
11/24/2014
|
Open Market Purchase
|
10,865
|
$
|
9.86
|
|||||
Oracle Ten Fund Master, LP
|
11/25/2014
|
Open Market Purchase
|
10,000
|
$
|
9.65
|
|||||
Oracle Ten Fund Master, LP
|
11/25/2014
|
Open Market Purchase
|
19,968
|
$
|
9.84
|
|||||
Mr. Feinberg
|
11/25/2014
|
Open Market Purchase
|
5,032
|
$
|
9.84
|
|||||
Oracle Ten Fund Master, LP
|
11/28/2014
|
Open Market Purchase
|
9,282
|
$
|
10.50
|
|||||
Oracle Ten Fund Master, LP
|
11/28/2014
|
Open Market Purchase
|
16,455
|
$
|
10.41
|
|||||
Oracle Ten Fund Master, LP
|
12/1/2014
|
Open Market Purchase
|
12,261
|
$
|
10.58
|
|||||
Oracle Ten Fund Master, LP
|
12/2/2014
|
Open Market Purchase
|
24,959
|
$
|
10.64
|
|||||
Oracle Ten Fund Master, LP
|
12/3/2014
|
Open Market Purchase
|
18,722
|
$
|
10.70
|
|||||
Oracle Ten Fund Master, LP
|
12/4/2014
|
Open Market Purchase
|
15,823
|
$
|
11.25
|
Dated: December 5, 2014
|
ORACLE PARTNERS, L.P.
By: ORACLE ASSOCIATES, LLC, its general partner
By: /s/ Larry N. Feinberg
Name: Larry N. Feinberg Title: Managing Member |
Dated: December 5, 2014
|
ORACLE INSTITUTIONAL PARTNERS, L.P.
By: ORACLE ASSOCIATES, LLC, its general partner
By: /s/ Larry N. Feinberg
Name: Larry N. Feinberg Title: Managing Member |
Dated: December 5, 2014
|
ORACLE ASSOCIATES, LLC
By: /s/ Larry N. Feinberg
Name: Larry N. Feinberg Title: Managing Member |
Dated: December 5, 2014
|
LARRY N. FEINBERG
By: /s/ Larry N. Feinberg
|