Monolithic Power Systems
Insider trading & Transactions

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Transaction Date Insider Security Shares Price per share Total value Source
Sale
RAO MEERA officer: CFO
Common Stock 575 $41.85 $24,064
Sale
XIAO DEMING officer: Pres. of MPS Asia Oper..
Common Stock 798 $41.85 $33,396
Sale
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 722 $41.12 $29,689
Sale
TSENG SARIA officer: VP & General Counsel
Common Stock 2,368 $41.53 $98,336
Sale
XIAO DEMING officer: Pres. of MPS Asia Oper..
Common Stock 8,413 $41.56 $349,678
Sale
HSING MICHAEL director, officer: CEO
Common Stock 2,693 $41.12 $110,736
Sale
RAO MEERA officer: CFO
Common Stock 590 $41.12 $24,261
Sale
RAO MEERA officer: CFO
Common Stock 2,127 $41.41 $88,079
Sale
XIAO DEMING officer: Pres. of MPS Asia Oper..
Common Stock 2,662 $41.41 $110,233
Sale
TSENG SARIA officer: VP & General Counsel
Common Stock 1,823 $41.41 $75,490
Sale
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 2,028 $41.41 $83,979
Sale
HSING MICHAEL director, officer: CEO
Common Stock 860 $41.41 $35,613
Sale
XIAO DEMING officer: Pres. of MPS Asia Oper..
Common Stock 3,035 $41.4 $125,655
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Non-Qualified Stock Option (right to buy) 2,682 $17.92 $48,061
Sale
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 2,682 $17.92 $48,061
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 2,682 $17.92 $48,061
Sale
XIAO DEMING officer: Pres. of MPS Asia Oper..
Common Stock 10 $43.07 $431
Option
TSENG SARIA officer: VP & General Counsel
Common Stock 43,200 N/A N/A
Option
RAO MEERA officer: CFO
Common Stock 36,000 N/A N/A
Option
HSING MICHAEL director, officer: CEO
Common Stock 110,000 N/A N/A
Option
HSING MICHAEL director, officer: CEO
Performance Shares 110,000 N/A N/A
Option
RAO MEERA officer: CFO
Performance Shares 36,000 N/A N/A
Option
TSENG SARIA officer: VP & General Counsel
Performance Shares 43,200 N/A N/A
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Performance Shares 43,200 N/A N/A
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 43,200 N/A N/A
Option
XIAO DEMING officer: Pres. of MPS Asia Oper..
Performance Shares 43,200 N/A N/A
Option
XIAO DEMING officer: Pres. of MPS Asia Oper..
Common Stock 43,200 N/A N/A
Sale
XIAO DEMING officer: Pres. of MPS Asia Oper..
Common Stock 84 $43.13 $3,623
Sale
ZHOU JEFF director
Common Stock 20,882 $42.48 $887,026
Option
ZHOU JEFF director
Non-Qualified Stock Option (right to buy) 1,882 $19.29 $36,304
Option
ZHOU JEFF director
Common Stock 20,882 $19.29 $402,814
Option
MOYER JAMES C director
Non-Qualified Stock Option (right to buy) 941 $17.92 $16,863
Option
MOYER JAMES C director
Common Stock 41,882 $17.92 $750,525
Option
HSING MICHAEL director, officer: CEO
Non-Qualified Stock Option (right to buy) 3,529 $17.92 $63,240
Option
HSING MICHAEL director, officer: CEO
Common Stock 78,529 $17.92 $1,407,240
Sale
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 12,700 $15.74 $199,898
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 12,700 $15.74 $199,898
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Non-Qualified Stock Option (right to buy) 12,700 $15.74 $199,898
Sale
XIAO DEMING officer: Pres. of MPS Asia Oper..
Common Stock 72 $41.78 $3,008
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 3,200 $42.01 $134,435
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Non-Qualified Stock Option (right to buy) 3,200 $42.01 $134,435
Sale
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 3,200 $42.01 $134,435
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Non-Qualified Stock Option (right to buy) 4,100 $15.74 $64,534
Sale
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 4,100 $15.74 $64,534
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 4,100 $15.74 $64,534
Sale
XIAO DEMING officer: Pres. of MPS Asia Oper..
Common Stock 151 $41.68 $6,294
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 9,987 $40.15 $400,988
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Non-Qualified Stock Option (right to buy) 9,987 $40.15 $400,988
Sale
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Common Stock 9,987 $40.15 $400,988
Option
SCIAMMAS MAURICE officer: Sr. V.P.of Sales and M..
Non-Qualified Stock Option (right to buy) 5,013 $15.74 $78,905

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.