Filing Details

Accession Number:
0001280452-11-000220
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-08-17 19:57:26
Reporting Period:
2011-08-17
Filing Date:
2011-08-17
Accepted Time:
2011-08-17 19:57:26
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 6409 Guadalupe Mines Road
San Jose CA 95120
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 2011-08-15 1 $10.65 79,827 No 5 J Direct
Common Stock Disposition 2011-08-17 1 $12.41 79,826 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 5 J Direct
No 4 S Direct
Footnotes
  1. Acquired through the Company's qualified ESPP program.
  2. In accordance with the reporting person's 10b5-1 trading plan.