Filing Details

Accession Number:
0001280452-14-000066
Form Type:
4
Zero Holdings:
No
Publication Time:
2014-02-25 19:11:31
Reporting Period:
2014-02-24
Filing Date:
2014-02-25
Accepted Time:
2014-02-25 19:11:31
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
1191548 A Karen Pilkington Smith- 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 Acquisiton 2014-02-24 1,411 $16.20 19,693 No 4 M Direct
Common Stock Disposition 2014-02-24 1,411 $35.03 18,282 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
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 2014-02-24 1,411 $0.00 1,411 $16.20
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2012-12-28 2014-05-24 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 $35.00 to $35.0572. 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.