Filing Details

Accession Number:
0001280452-13-000067
Form Type:
4
Zero Holdings:
No
Publication Time:
2013-02-11 21:53:12
Reporting Period:
2013-02-07
Filing Date:
2013-02-11
Accepted Time:
2013-02-11 21:53:12
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 2013-02-07 151 $0.00 106,001 No 4 A Direct
Common Stock Disposition 2013-02-11 58 $24.60 105,943 No 4 S Direct
Common Stock Disposition 2013-02-11 1,207 $24.60 104,736 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 A Direct
No 4 S Direct
No 4 S Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 44,004 Indirect by Family Trust
Common Stock 14,371 Indirect byC Sciammas 04 TRST
Common Stock 14,371 Indirect byM Sciammas 04 Trst
Footnotes
  1. Equitable stock dividend adjustment approved by the Board of Director as a result of dividend Payment to shareholders on December 28, 2012. Stock dividends will release according to the same vesting schedule as the original grants.
  2. Shares sold to pay tax obligations resulting from the release of restricted stock units.