1
|
NAME
OF REPORTING PERSONS
Bel Fuse Inc.
|
|
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
o
|
|
3
|
SEC
USE ONLY
o
|
|
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
New Jersey
|
|
NUMBER
OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE
VOTING POWER
- 0 -
|
8
|
SHARED
VOTING POWER
7,338,998 *
|
|
9
|
SOLE
DISPOSITIVE POWER
- 0 -
|
|
10
|
SHARED
DISPOSITIVE POWER
7,338,998 *
|
|
11
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
7,338,998 *
|
|
12
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES
|
|
13
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
8.35%
|
|
14
|
TYPE
OF REPORTING PERSON
CO
|
1
|
NAME
OF REPORTING PERSONS
Bel Ventures
Inc.
|
|
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
o
(b)
o
|
|
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)
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
7,338,998 *
|
|
9
|
SOLE
DISPOSITIVE POWER
- 0 -
|
|
10
|
SHARED
DISPOSITIVE POWER
7,338,998 *
|
|
11
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
7,338,998 *
|
|
12
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES
o
|
|
13
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
8.35%
|
|
14
|
TYPE
OF REPORTING PERSON
CO
|
Item
4.
|
Purpose of
Transaction.
|
Item
5.
|
Interest in Securities
of the Issuer.
|
Item
7.
|
Material to be Filed
as Exhibits.
|
|
Item
7 is hereby amended to add the
following:
|
|
1.
|
Letter,
dated April 29, 2009, from Bel Fuse Inc. to the Board of Directors of
Power-One, Inc.
|
|
2.
|
Joint
Filing Agreement, dated April 29, 2009, between Bel Fuse Inc. and Bel
Ventures Inc.
|
Dated: April
29, 2009
|
BEL
FUSE INC.
|
|
By:
|
/s/
Daniel Bernstein
|
|
Name:
|
Daniel
Bernstein
|
|
Title:
|
President
|
BEL
VENTURES INC.
|
||
By:
|
/s/
Daniel Bernstein
|
|
Name:
|
Daniel
Bernstein
|
|
Title:
|
President
|
Dated: April
29, 2009
|
BEL
FUSE INC.
|
|
By:
|
/s/
Daniel Bernstein
|
|
Name:
|
Daniel
Bernstein
|
|
Title:
|
President
|
BEL
VENTURES INC.
|
||
By:
|
/s/
Daniel Bernstein
|
|
Name:
|
Daniel
Bernstein
|
|
Title:
|
President
|