Filing Details

Accession Number:
0001280452-12-000105
Form Type:
4
Zero Holdings:
No
Publication Time:
2012-05-02 18:29:12
Reporting Period:
2012-05-01
Filing Date:
2012-05-02
Accepted Time:
2012-05-02 18:29:12
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 6409 Guadalupe Mines Road
San Jose CA 95120
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 Disposition 2012-05-02 1,145 $21.00 132,066 No 4 S Direct
Common Stock Disposition 2012-05-01 6,000 $22.03 74,004 No 4 S Indirect by Family Trust
Common Stock Disposition 2012-05-01 2,000 $22.02 16,371 No 4 S Indirect byC Sciammas 04 TRST
Common Stock Disposition 2012-05-01 2,000 $22.02 16,371 No 4 S Indirect byM Sciammas 04 Trst
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
No 4 S Indirect by Family Trust
No 4 S Indirect byC Sciammas 04 TRST
No 4 S Indirect byM Sciammas 04 Trst
Footnotes
  1. Shares sold to pay tax obligations resulting from the vesting of restricted stock units.
  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 $22.00 to $22.15. 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.
  4. 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 $22.00 to $22.15. 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.
  5. 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 $22.00 to $22.08. 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.