Filing Details

Accession Number:
0001280452-13-000118
Form Type:
4
Zero Holdings:
No
Publication Time:
2013-03-04 21:10:37
Reporting Period:
2013-02-28
Filing Date:
2013-03-04
Accepted Time:
2013-03-04 21:10:37
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 79 Great Oaks Blvd
San Jose CA 95119
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 2013-02-28 5,000 $9.24 19,589 No 4 M Direct
Common Stock Disposition 2013-02-28 5,000 $24.75 14,589 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
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 2013-02-28 5,000 $0.00 5,000 $9.24
Common Stock Non-Qualified Stock Option (right to buy) Acquisiton 2013-02-28 705 $9.24 705 $9.24
Common Stock Non-Qualified Stock Option (right to buy) Acquisiton 2013-02-28 1,176 $12.28 1,176 $12.28
Common Stock Non-Qualified Stock Option (right to buy) Acquisiton 2013-02-28 705 $16.20 705 $16.20
Common Stock Non-Qualified Stock Option (right to buy) Acquisiton 2013-02-28 1,176 $19.29 1,176 $19.29
Common Stock Non-Qualified Stock Option (right to buy) Acquisiton 2013-02-28 705 $22.01 705 $22.01
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
10,000 2013-02-28 2013-09-14 No 4 M Direct
10,705 2012-12-28 2013-09-14 No 4 A Direct
1,176 2012-12-28 2017-02-18 No 4 A Direct
705 2012-12-28 2014-05-24 No 4 A Direct
1,176 2012-12-28 2017-02-02 No 4 A Direct
705 2012-12-28 2015-05-22 No 4 A Direct
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 will vest according to the same vesting schedule as the original grants.