CUSIP NO.
|
589499102
|
13D
|
Page 3
|
1
|
NAME OF REPORTING PERSON
|
Merrick RIS, LLC
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(b) þ
|
|
3
|
SEC USE ONLY
|
|
|
4
|
SOURCE OF FUNDS
|
WC
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
|
o
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
Delaware
|
7
|
SOLE VOTING POWER
|
|
0
|
||
NUMBER OF
|
||
SHARES
|
8
|
SHARED VOTING POWER
|
BENEFICIALLY
|
0
|
|
OWNED BY
|
||
EACH
|
9
|
SOLE DISPOSITIVE POWER
|
REPORTING
|
0
|
|
PERSON
|
||
WITH |
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
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
|
0%
|
|
14
|
TYPE OF REPORTING PERSON
|
OO
|
CUSIP NO.
|
589499102
|
13D
|
Page 4
|
1
|
NAME OF REPORTING PERSON
|
Merrick Venture Management, LLC
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(b) þ
|
|
3
|
SEC USE ONLY
|
|
|
4
|
SOURCE OF FUNDS
|
OO
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
|
o
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
Illinois
|
7
|
SOLE VOTING POWER
|
|
0
|
||
NUMBER OF
|
||
SHARES
|
8
|
SHARED VOTING POWER
|
BENEFICIALLY
|
0
|
|
OWNED BY
|
||
EACH
|
9
|
SOLE DISPOSITIVE POWER
|
REPORTING
|
0
|
|
PERSON
|
||
WITH |
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
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11
|
0%
|
|
14
|
TYPE OF REPORTING PERSON
|
OO
|
CUSIP NO.
|
589499102
|
13D
|
Page 5
|
1
|
NAME OF REPORTING PERSON
|
Michael W. Ferro, Jr.
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(b) þ
|
|
3
|
SEC USE ONLY
|
|
|
4
|
SOURCE OF FUNDS
|
PF
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
|
o
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
USA
|
7
|
SOLE VOTING POWER
|
|
27,631,298
|
||
NUMBER OF
|
||
SHARES
|
8
|
SHARED VOTING POWER
|
BENEFICIALLY
|
0
|
|
OWNED BY
|
||
EACH
|
9
|
SOLE DISPOSITIVE POWER
|
REPORTING
|
27,631,298
|
|
PERSON
|
||
WITH |
10
|
SHARED DISPOSITIVE POWER
|
0
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
|
27,631,298
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11
|
29.6%
|
|
14
|
TYPE OF REPORTING PERSON
|
IN
|
CUSIP NO.
|
589499102
|
13D
|
Page 6
|
1
|
NAME OF REPORTING PERSON
|
Merrick Venture Management Holdings, LLC
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(b) þ
|
|
3
|
SEC USE ONLY
|
|
|
4
|
SOURCE OF FUNDS
|
WC
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
|
o
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
|
Delaware
|
7
|
SOLE VOTING POWER
|
|
0
|
||
NUMBER OF
|
||
SHARES
|
8
|
SHARED VOTING POWER
|
BENEFICIALLY
|
22,105,857
|
|
OWNED BY
|
||
EACH
|
9
|
SOLE DISPOSITIVE POWER
|
REPORTING
|
0
|
|
PERSON
|
||
WITH |
10
|
SHARED DISPOSITIVE POWER
|
22,105,857
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
|
22,105,857
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
|
23.7%
|
|
14
|
TYPE OF REPORTING PERSON
|
OO
|
CUSIP NO.
|
589499102
|
13D
|
Page 7
|
ITEM 1. SECURITY AND ISSUER
|
ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION
|
ITEM 5. INTEREST IN SECURITIES OF THE ISSUER
|
ITEM 7. MATERIAL TO BE FILED AS AN EXHIBIT
|
SIGNATURES
|
EXHIBIT INDEX
|
EX-99.6
|
CUSIP NO.
|
589499102
|
13D
|
Page 8
|
ITEM 1.
|
SECURITY AND ISSUER
|
ITEM 3.
|
SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.
|
ITEM 5.
|
INTEREST IN SECURITIES OF THE ISSUER.
|
Name of Holder
|
Number of Shares
|
Percent of Shares Outstanding
|
Merrick RIS, LLC
|
0
|
0.0%
|
Merrick Venture Management, LLC
|
0
|
0.0%
|
Merrick Ventures, LLC
|
4,925,441
|
5.3%
|
Merrick Venture Management Holdings, LLC
|
22,105,857
|
23.7%
|
CUSIP NO.
|
589499102
|
13D
|
Page 9
|
ITEM 7.
|
MATERIAL TO BE FILED AS AN EXHIBIT
|
Exhibit 1
|
Joint Filing Agreement
|
CUSIP NO.
|
589499102
|
13D
|
Page 10
|
Date: April 2, 2013
|
MERRICK RIS, LLC | ||
By:
|
/s/ Michael W. Ferro, Jr.
|
||
Name:
|
Michael W. Ferro, Jr.
|
||
Title:
|
Chief Executive Officer
|
||
MERRICK VENTURE MANAGEMENT, LLC | |||
By:
|
/s/ Michael W. Ferro, Jr.
|
||
Name:
|
Michael W. Ferro, Jr.
|
||
Title:
|
Chief Executive Officer
|
||
MERRICK VENTURE MANAGEMENT HOLDINGS, LLC | |||
By:
|
/s/ Michael W. Ferro, Jr.
|
||
Name:
|
Michael W. Ferro, Jr.
|
||
Title:
|
Managing Member
|
||
By:
|
/s/ Michael W. Ferro, Jr.
|
||
Michael W. Ferro, Jr.
|
Page 11
|
Exhibit
|
Description
|
|
Joint Filing Agreement
|