Monolithic Power Systems
Insider trading & Transactions

Last updated:

Transaction Date Insider Security Shares Price per share Total value Source
Sale
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 5,000 $16.26 $81,320
Sale
HSING MICHAEL director, officer: CEO
Common Stock 7,000 $16.42 $114,961
Sale
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 5,000 $16.42 $82,095
Option
XIAO DEMING officer: Pres. of MPS Asia Oper..
Incentive Stock Option (right to buy) 10,000 $0.8 $8,000
Sale
HSING MICHAEL director, officer: CEO
Common Stock 25,000 N/A N/A
Sale
XIAO DEMING officer: Pres. of MPS Asia Oper..
Common Stock 10,000 $0.8 $8,000
Option
XIAO DEMING officer: Pres. of MPS Asia Oper..
Common Stock 10,000 $0.8 $8,000
Sale
MOYER JAMES C director
Common Stock 1,000 $17.5 $17,500
Sale
HSING MICHAEL director, officer: CEO
Common Stock 25,000 $17.33 $433,275
Sale
HSING MICHAEL director, officer: CEO
Common Stock 25,000 $17.33 $433,275
Sale
MOYER JAMES C director
Common Stock 496 $17 $8,432
Sale
HSING MICHAEL director, officer: CEO
Common Stock 34,967 N/A N/A
Sale
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 8,092 $18.15 $146,837
Sale
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 9,000 $18.6 $167,409
Sale
HSING MICHAEL director, officer: CEO
Common Stock 15,000 $18.6 $278,955
Sale
HSING MICHAEL director, officer: CEO
Common Stock 7,000 $13.98 $97,888
Sale
HSING MICHAEL director, officer: CEO
Common Stock 7,000 N/A N/A
Sale
JONES JIM J III director
Common Stock 47,491 $14.21 $674,847
Sale
JONES JIM J III director
Common Stock 110,938 $14.35 $1,591,960
Sale
HSING MICHAEL director, officer: CEO
Common Stock 4,000 $13.5 $54,000
Sale
JONES JIM J III director
Common Stock 19,400 $14.05 $272,570
Sale
HSING MICHAEL director, officer: CEO
Common Stock 3,000 $12.83 $38,502
Sale
TSENG SARIA officer: VP & General Counsel
Common Stock 10,000 $8 $80,000
Option
TSENG SARIA officer: VP & General Counsel
Incentive Stock Option (right to buy) 10,000 $8 $80,000
Option
TSENG SARIA officer: VP & General Counsel
Common Stock 10,000 $8 $80,000
Sale
HSING MICHAEL director, officer: CEO
Common Stock 3,000 $12.75 $38,259
Sale
HSING MICHAEL director, officer: CEO
Common Stock 3,000 N/A N/A
Sale
HSING MICHAEL director, officer: CEO
Common Stock 3,000 $10.6 $31,797
Sale
HSING MICHAEL director, officer: CEO
Common Stock 2,000 $10.54 $21,080
Sale
HSING MICHAEL director, officer: CEO
Common Stock 1,000 $9.83 $9,828
Sale
HSING MICHAEL director, officer: CEO
Common Stock 1,000 $8.51 $8,505
Sale
HSING MICHAEL director, officer: CEO
Common Stock 1,000 N/A N/A
Sale
HSING MICHAEL director, officer: CEO
Common Stock 1,000 $8.51 $8,506
Sale
HSING MICHAEL director, officer: CEO
Common Stock 10,000 $6.88 $68,840
Sale
HSING MICHAEL director, officer: CEO
Common Stock 5,256 $7.13 $37,475
Sale
CHANG KUO WEI HERBERT director
Common Stock 10,386 $7.05 $73,242
Sale
CHANG KUO WEI HERBERT director
Common Stock 20,000 $6.93 $138,520
Sale
TSENG SARIA officer: VP & General Counsel
Common Stock 2,157 N/A N/A
Sale
XIAO DEMING officer: Pres. of MPS Asia Oper..
Common Stock 2,833 $7.64 $21,644
Sale
HSING MICHAEL director, officer: CEO
Common Stock 1,800 $7.65 $13,770
Sale
HSING MICHAEL director, officer: CEO
Common Stock 1,800 $7.65 $13,770
Sale
BAVP, L.P. 10 percent owner
Common Stock 500,000 $7.91 $3,952,500
Sale
CHANG KUO WEI HERBERT director
Common Stock 546,274 $7.91 $4,318,296
Sale
JONES JIM J III director
Common Stock 500,000 $7.91 $3,952,500

Insider trading

Monitoring trades made by the management members or major shareholders of companies may help create a sharper picture of what is happening inside the companies. Base your decisions on buys or sells of the people involved and do the right thing at the right time.

Who is insider?

Every director or senior officer, as well as any other entity or individual owning more than 10% of the company’s shares on the stock market, is called an insider. Such people or entities are allowed to buy/sell the company's shares under strictly controlled conditions. Key premise here is that none of them can make trades based on non-public information about the company.