Filing Details

Accession Number:
0001280452-15-000098
Form Type:
4
Zero Holdings:
No
Publication Time:
2015-05-18 18:58:16
Reporting Period:
2015-05-14
Filing Date:
2015-05-18
Accepted Time:
2015-05-18 18:58:16
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
1292133 K Victor Lee 1539 Queenstown Ct.
Sunnyvale CA 94087
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 2015-05-14 3,000 $23.05 23,615 No 4 M Direct
Common Stock Disposition 2015-05-14 3,000 $52.90 20,615 No 4 S Direct
Common Stock Acquisiton 2015-05-18 2,000 $23.05 22,615 No 4 M Direct
Common Stock Disposition 2015-05-18 2,000 $53.75 20,615 No 4 S Direct
Common Stock Acquisiton 2015-05-18 705 $22.01 21,320 No 4 M Direct
Common Stock Disposition 2015-05-18 705 $53.75 20,615 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
No 4 M Direct
No 4 S Direct
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 2015-05-18 705 $0.00 705 $22.01
Common Stock Non-Qualified Stock Option (right to buy) Disposition 2015-05-14 3,000 $0.00 3,000 $23.05
Common Stock Non-Qualified Stock Option (right to buy) Disposition 2015-05-18 2,000 $0.00 2,000 $23.05
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2012-12-28 2015-05-22 No 4 M Direct
2,000 2009-05-22 2015-05-22 No 4 M Direct
0 2009-05-22 2015-05-22 No 4 M Direct
Footnotes
  1. Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program.