QUESTCOR
PHARMACEUTICALS, INC.
|
(Name
of Issuer)
|
Common
Stock
|
(Title
of Class of Securities)
|
74835Y101
|
(CUSIP
Number)
|
Joseph
J. Giunta, Esq.
|
Skadden,
Arps, Slate, Meagher & Flom LLP
|
300
South Grand Avenue, Suite 3400
|
Los
Angeles, CA 90071
|
(213)
687-5000
|
(Name,
Address and Telephone Number of Person Authorized to Receive Notices and
Communications)
|
December
9, 2008
|
(Date
of Event Which Requires Filing of this
Statement)
|
CUSIP No. 74835Y101
|
13D
|
Page of 2 of 7 Pages
|
1
|
NAMES
OF REPORTING PERSONS
Claudio
Cavazza
|
||||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a)
x
(b)
¨
|
|||
3
|
SEC
USE ONLY
|
||||
4
|
SOURCE
OF FUNDS
|
||||
5
|
CHECK
IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR
2(e)
|
¨
|
|||
6
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
|
||||
Italy
|
|||||
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
7
|
SOLE
VOTING POWER
253,781
|
|||
8
|
SHARED
VOTING POWER
2,901,445
|
||||
9
|
SOLE
DISPOSITIVE POWER
253,781
|
||||
10
|
SHARED
DISPOSITIVE POWER
2,901,445
|
||||
11
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
|
||||
3,155,226
|
|||||
12
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES
|
¨
|
|||
13
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
|
||||
4.86%
|
|||||
14
|
TYPE
OF REPORTING PERSON
|
||||
IN
|
CUSIP No. 74835Y101
|
13D
|
Page of 3 of 7 Pages
|
1
|
NAMES
OF REPORTING PERSONS
Inverlochy
Consultadoria & Servicos L.D.A.
|
|||||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a)
x
(b)
¨
|
||||
3
|
SEC
USE ONLY
|
|||||
4
|
SOURCE
OF FUNDS
|
|||||
5
|
CHECK
IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR
2(e)
|
¨
|
||||
6
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
|
|||||
Portugal
|
||||||
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
7
|
SOLE
VOTING POWER
0
|
||||
8
|
SHARED
VOTING POWER
2,901,445
|
|||||
9
|
SOLE
DISPOSITIVE POWER
0
|
|||||
10
|
SHARED
DISPOSITIVE POWER
2,901,445
|
|||||
11
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
|
|||||
2,901,445
|
||||||
12
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES
|
¨
|
||||
13
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
|
|||||
4.47%
|
||||||
14
|
TYPE
OF REPORTING PERSON
|
|||||
CO
|
CUSIP No. 74835Y101
|
13D
|
Page of 4 of 7 Pages
|
CUSIP No. 74835Y101
|
13D
|
Page of 5 of 7 Pages
|
Date
|
Party
|
Type
of
Transaction
|
Type
of
Security
|
Number
of
Shares
|
Price
Per
Share
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
27,139
|
$9.10
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
24,500
|
$9.11
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
12,317
|
$9.12
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
13,644
|
$9.13
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
600
|
$9.135
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
12,900
|
$9.14
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
10,400
|
$9.15
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
4,195
|
$9.16
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
5,800
|
$9.17
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
9,155
|
$9.18
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,100
|
$9.19
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
16,200
|
$9.20
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
8,400
|
$9.21
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,400
|
$9.22
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
820
|
$9.23
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,300
|
$9.24
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
12,430
|
$9.25
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
5,150
|
$9.26
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
7,150
|
$9.27
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,050
|
$9.28
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,200
|
$9.29
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
4,100
|
$9.30
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
4,000
|
$9.31
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
1,400
|
$9.33
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
1,400
|
$9.34
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
200
|
$9.35
|
CUSIP No. 74835Y101
|
13D
|
Page of 6 of 7 Pages
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
4,000
|
$9.36
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
900
|
$9.37
|
12/05/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
150
|
$9.38
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
458
|
$9.22
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
3,142
|
$9.24
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,400
|
$9.25
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
900
|
$9.26
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,000
|
$9.27
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,800
|
$9.28
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
3,800
|
$9.31
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,300
|
$9.32
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
1,300
|
$9.34
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
4,550
|
$9.35
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
5,342
|
$9.36
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
3,100
|
$9.37
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
11,000
|
$9.38
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
8,408
|
$9.39
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
10,400
|
$9.40
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
8,300
|
$9.41
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
8,400
|
$9.42
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,300
|
$9.43
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,900
|
$9.44
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
6,700
|
$9.45
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
100
|
$9.452
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
500
|
$9.46
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
11,300
|
$9.47
|
CUSIP No. 74835Y101
|
13D
|
Page of 7 of 7 Pages
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
17,699
|
$9.48
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
33,700
|
$9.49
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
100
|
$9.495
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
49,741
|
$9.50
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
33,788
|
$9.51
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
600
|
$9.515
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
43,654
|
$9.52
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
13,700
|
$9.53
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
200
|
$9.535
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
19,058
|
$9.54
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
900
|
$9.545
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
5,370
|
$9.55
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
6,427
|
$9.56
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
1,100
|
$9.57
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
1,163
|
$9.58
|
12/08/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
400
|
$9.59
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,000
|
$9.32
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,300
|
$9.33
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
300
|
$9.335
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
3,700
|
$9.34
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
9,736
|
$9.35
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
7,910
|
$9.36
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
800
|
$9.365
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
14,854
|
$9.37
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
200
|
$9.375
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
3,380
|
$9.38
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
100
|
$9.385
|
CUSIP No. 74835Y101
|
13D
|
Page of 8 of 7 Pages
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
6,100
|
$9.39
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
13,120
|
$9.40
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
11,300
|
$9.41
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
8,900
|
$9.42
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
4,400
|
$9.43
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
700
|
$9.435
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,600
|
$9.44
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
4,726
|
$9.45
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
3,974
|
$9.46
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
800
|
$9.47
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
900
|
$9.48
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
5,756
|
$9.49
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
9,010
|
$9.50
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
5,344
|
$9.51
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
8,400
|
$9.52
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
5,200
|
$9.53
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
8,140
|
$9.54
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
5,550
|
$9.55
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
6,300
|
$9.56
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
9,900
|
$9.57
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
4,500
|
$9.58
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,950
|
$9.59
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
13,310
|
$9.60
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
5,640
|
$9.61
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,200
|
$9.62
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
2,300
|
$9.63
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
1,800
|
$9.64
|
12/09/2008
|
Mr.
C. Cavazza
|
Sale
|
Common
Stock
|
900
|
$9.65
|
Item
7. Material
to be Filed as Exhibits.
|
|
CUSIP No. 74835Y101
|
13D
|
Page of 9 of 7 Pages
|
Signatures
|
|
CLAUDIO
CAVAZZA
|
|||
BY:
|
/s/ Claudio Cavazza |
|
|
|
INVERLOCHY
CONSULTADORIA & SERVICOS L.D.A.
|
|||
By:
|
/s/ Nicola Wullschleger |
|
|
Nicola
Wullschleger, Attorney-in-fact for Inverlochy
|
|||
Consultadoria
& Servicos
L.D.A.
|
CUSIP No. 74835Y101
|
13D
|
Page of 10 of 7 Pages
|
NAME
|
ADDRESS
|
TITLE
|
CITIZENSHIP
|
Roberto
Carlos de
Castro
Abreu
|
Avenida
da República, 32, 4.º
Esquerdo,
1050-193 Lisboa,
Portugal
|
Director
|
Portuguese
|
João
Josè de Freitas
Rodrigues
|
Avenida
da República, 32, 4.º
Esquerdo,
1050-193 Lisboa,
Portugal
|
Director
|
Portuguese
|