0001280452-13-000212.txt : 20130715
0001280452-13-000212.hdr.sgml : 20130715
20130715204757
ACCESSION NUMBER: 0001280452-13-000212
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20130712
FILED AS OF DATE: 20130715
DATE AS OF CHANGE: 20130715
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: MONOLITHIC POWER SYSTEMS INC
CENTRAL INDEX KEY: 0001280452
STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674]
IRS NUMBER: 770466789
STATE OF INCORPORATION: CA
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 79 GREAT OAKS BLVD
CITY: SAN JOSE
STATE: CA
ZIP: 95119
BUSINESS PHONE: (408) 826-0600
MAIL ADDRESS:
STREET 1: 79 GREAT OAKS BLVD
CITY: SAN JOSE
STATE: CA
ZIP: 95119
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Tseng Saria
CENTRAL INDEX KEY: 0001312593
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-51026
FILM NUMBER: 13969237
MAIL ADDRESS:
STREET 1: 6409 GUADALUPE MINES ROAD
CITY: SAN JOSE
STATE: CA
ZIP: 95120
4
1
edgardoc.xml
PRIMARY DOCUMENT
X0306
4
2013-07-12
0
0001280452
MONOLITHIC POWER SYSTEMS INC
MPWR
0001312593
Tseng Saria
79 GREAT OAKS BLVD
SAN JOSE
CA
95119
0
1
0
0
VP & General Counsel
Common Stock
2013-07-12
4
M
0
563.0
7.64
A
75563
D
Common Stock
2013-07-12
4
M
0
884.0
15.28
A
76447
D
Common Stock
2013-07-12
4
M
0
3750.0
12.42
A
80197
D
Common Stock
2013-07-12
4
M
0
329.0
14.93
A
80526
D
Common Stock
2013-07-12
4
M
0
941.0
12.42
A
81467
D
Common Stock
2013-07-12
4
S
0
13467.0
25.2237
D
68000
D
Common Stock
2013-07-12
4
M
0
7000.0
14.93
A
75000
D
Common Stock
2013-07-15
4
S
0
490.0
25.8
D
74510
D
Common Stock
2000
I
S.Tseng Charity Fund
Non-Qualified Stock Option (right to buy)
7.64
2013-07-12
4
M
0
563.0
0.0
D
2012-12-28
2014-11-17
Common Stock
563
0
D
Non-Qualified Stock Option (right to buy)
12.42
2013-07-12
4
M
0
941.0
0.0
D
2012-12-28
2015-10-22
Common Stock
941
0
D
Non-Qualified Stock Option (right to buy)
13.01
2013-07-12
4
M
0
3750.0
0.0
D
2010-10-22
2015-10-22
Common Stock
3750
0
D
Non-Qualified Stock Option (right to buy)
14.93
2013-07-12
4
M
0
329.0
0.0
D
2012-12-28
2015-01-31
Common Stock
329
0
D
Non-Qualified Stock Option (right to buy)
15.28
2013-07-12
4
M
0
884.0
0.0
D
2012-12-28
2014-07-27
Common Stock
884
0
D
Non-Qualified Stock Option (right to buy)
15.64
2013-07-12
4
M
0
7000.0
0.0
D
2010-01-31
2015-01-31
Common Stock
7000
0
D
In accordance with the reporting person's 10b5-1 trading plan.
On December 11, 2012, the Company's Board declared a special cash dividend of $1.00 per common share, which was paid on December 28, 2012 to all shareholders of record as of the close of business on December 21, 2012. The Board approved a modification whereby each outstanding option as of December 28, 2012 was increased by a ratio of 1.0471 with a corresponding reduction in the exercise price.
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $25.16 to $25.2237. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Saria Tseng
2013-07-15