Filing Details

Accession Number:
0001280452-10-000173
Form Type:
4
Zero Holdings:
No
Publication Time:
2010-08-02 13:00:00
Reporting Period:
2010-07-30
Filing Date:
2010-08-02
Accepted Time:
2010-08-02 19:17:29
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 Disposition 2010-07-30 372 $18.02 33,933 No 4 S Direct
Common Stock Acquisiton 2010-08-02 14,000 $0.00 47,933 No 4 A Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
No 4 A Direct
Footnotes
  1. Shares sold to pay tax obligations resulting from the vesting of restricted stock.
  2. 1/16 of the Restricted Stock Units shall vest quarterly following the Vesting Commencement Date, provided that the Grantee continues to be a Service Provider from the Grant Date through each applicable vesting date.