0001280452-14-000102.txt : 20140506 0001280452-14-000102.hdr.sgml : 20140506 20140506204312 ACCESSION NUMBER: 0001280452-14-000102 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20140502 FILED AS OF DATE: 20140506 DATE AS OF CHANGE: 20140506 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: 14818652 MAIL ADDRESS: STREET 1: 6409 GUADALUPE MINES ROAD CITY: SAN JOSE STATE: CA ZIP: 95120 4 1 edgardoc.xml PRIMARY DOCUMENT X0306 4 2014-05-02 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 2014-05-02 4 S 0 1350.0 36.7695 D 58497 D Common Stock 2014-05-02 4 S 0 1148.0 36.7136 D 57349 D Common Stock 2014-05-02 4 S 0 53.0 36.51 D 57296 D Common Stock 2014-05-05 4 S 0 463.0 36.2501 D 56833 D Common Stock 2014-05-05 4 S 0 23.0 36.25 D 56810 D Common Stock 2014-05-05 4 S 0 724.0 36.2501 D 56086 D Common Stock 2014-05-05 4 S 0 430.0 36.5544 D 55656 D Common Stock 2014-05-05 4 S 0 5056.0 36.6799 D 50600 D Common Stock 2014-05-06 4 S 0 701.0 36.4106 D 49899 D Common Stock 2014-05-06 4 S 0 644.0 36.6193 D 49255 D Common Stock 2000 I S.Tseng Charity Fund Shares sold to pay tax obligations resulting from the vesting of restricted stock units. In accordance with the reporting person's 10b5-1 trading plan. 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 $36.56 to $36.91. 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. 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 $36.18 to $36.89. 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. 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 $36.23 to $37.12. 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. 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 $36.49 to $36.73. 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 2014-05-06