Filing Details

Accession Number:
0001280452-15-000029
Form Type:
4
Zero Holdings:
No
Publication Time:
2015-02-09 20:26:25
Reporting Period:
2015-02-05
Filing Date:
2015-02-09
Accepted Time:
2015-02-09 20:26:25
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
1360833 Maurice Sciammas 79 Great Oaks Blvd
San Jose CA 95119
Sr. V.p.of Sales And Marketing 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 2015-02-05 1,103 $14.89 232,036 No 4 M Direct
Common Stock Disposition 2015-02-06 699 $47.39 231,337 No 4 S Direct
Common Stock Disposition 2015-02-09 1,466 $47.56 229,871 No 4 S Direct
Common Stock Disposition 2015-02-09 69 $47.56 229,802 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
No 4 S 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 2015-02-05 1,103 $0.00 1,103 $14.89
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2015-02-05 2015-02-08 No 4 M Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 2,000 Indirect by Family Trust
Footnotes
  1. Shares sold to pay tax obligations resulting from the vesting of restricted stock units.
  2. Represents vested shares acquired through the cash exercise of a stock option in compliance with the Company's Insider Trading Compliance Program.