Filing Details

Accession Number:
0001280452-14-000062
Form Type:
4
Zero Holdings:
No
Publication Time:
2014-02-21 16:51:00
Reporting Period:
2014-02-18
Filing Date:
2014-02-21
Accepted Time:
2014-02-21 16:51:00
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1280452 Monolithic Power Systems Inc MPWR Semiconductors & Related Devices (3674) 770466789
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1312593 Saria Tseng 79 Great Oaks Blvd
San Jose CA 95119
Vp & General Counsel No Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2014-02-18 750 $24.43 63,965 No 4 J Direct
Common Stock Disposition 2014-02-20 3,368 $34.85 60,597 No 4 S Direct
Common Stock Disposition 2014-02-20 750 $34.82 59,847 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 J Direct
No 4 S Direct
No 4 S Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 2,000 Indirect S.Tseng Charity Fund
Footnotes
  1. Acquired through the Company's qualified ESPP program.
  2. 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 $34.8202 to $34.8256. 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.