Filing Details

Accession Number:
0001280452-12-000109
Form Type:
4
Zero Holdings:
No
Publication Time:
2012-05-02 17:34:23
Reporting Period:
2012-05-02
Filing Date:
2012-05-02
Filing Date Changed:
2012-05-02
Accepted Time:
2012-05-02 18:34:23
Original Submission Date:
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
Common Stock Disposition 2012-05-02 912 $21.00 100,489
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
Footnotes
  1. Shares sold to pay tax obligations resulting from the vesting of restricted stock units.
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