Filing Details

Accession Number:
0001280452-12-000061
Form Type:
4
Zero Holdings:
No
Publication Time:
2012-02-17 15:04:55
Reporting Period:
2012-02-16
Filing Date:
2012-02-17
Accepted Time:
2012-02-17 15:04:55
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 2012-02-16 1,980 $10.65 103,381 No 5 J Direct
Common Stock Disposition 2012-02-16 1,980 $18.32 101,401 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.
  3. 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 $18.04 to $18.51. 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.