Filing Details

Accession Number:
0001280452-14-000177
Form Type:
4
Zero Holdings:
No
Publication Time:
2014-08-26 21:55:04
Reporting Period:
2014-08-15
Filing Date:
2014-08-26
Accepted Time:
2014-08-26 20:55:04
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
1308676 Michael Hsing 79 Great Oaks Blvd
San Jose CA 95119
Ceo Yes 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 2014-08-15 130 $29.78 307,990 No 4 J Direct
Common Stock Disposition 2014-08-22 130 $46.31 307,860 No 4 S Direct
Common Stock Disposition 2014-08-22 40,000 $46.37 425,566 No 4 S Indirect By Jointly w/Spouse
Common Stock Disposition 2014-08-25 55,326 $45.96 370,240 No 4 S Indirect By Jointly w/Spouse
Common Stock Disposition 2014-08-26 54,540 $46.42 315,700 No 4 S Indirect By Jointly w/Spouse
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 J Direct
No 4 S Direct
No 4 S Indirect By Jointly w/Spouse
No 4 S Indirect By Jointly w/Spouse
No 4 S Indirect By Jointly w/Spouse
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 133,040 Indirect By S. Hsing 04 Trust
Common Stock 29,000 Indirect Hsing Fam Foundation
Common Stock 133,040 Indirect by M Hsing 04 Trust
Footnotes
  1. Acquired through the Company's qualified ESPP program.
  2. Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program.
  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 $46.32 to $46.545. 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 $45.705819 to $46.15. 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 $46.25 to $46.6. 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.