Filing Details

Accession Number:
0001280452-13-000103
Form Type:
4
Zero Holdings:
No
Publication Time:
2013-02-25 18:11:44
Reporting Period:
2013-02-22
Filing Date:
2013-02-25
Accepted Time:
2013-02-25 18:11:44
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
1247701 M Douglas Mcburnie 79 Great Oaks Blvd
San Jose CA 95119
Yes No 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 Disposition 2013-02-22 5,062 $24.67 4,027 No 4 S Direct
Common Stock Acquisiton 2013-02-22 25,000 $12.86 29,027 No 4 M Direct
Common Stock Disposition 2013-02-22 25,000 $24.70 4,027 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
No 4 M Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Non-Qualified Stock Option (right to buy) Disposition 2013-02-22 25,000 $0.00 25,000 $12.86
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2010-02-18 2016-02-18 No 4 M Direct
Footnotes
  1. 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 $24.57 to $24.87. 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.