Insider Stock Trading History of Chang Peter L


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Chang Peter L since year 2005. The trader's CIK number is 1528099. At the time of this reporting, Chang Peter L is the Vice President-Corp Controller of Gsi Group Inc . (stock ticker symbol GSIG). See this page for all insider trading activities at Gsi Group Inc .


Stock purchases, sales, and option exercises reported by insider Chang Peter L since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-03-03 NOVT Gsi Group Inc Option Ex 3,518 25.55 89,884
2017-02-24 NOVT Gsi Group Inc Option Ex 3,635 24.55 89,239
2016-08-19 NOVT Gsi Group Inc Sale 1,000 17.14 17,135
2016-03-08 GSIG Gsi Group Inc Option Ex 4,281 13.31 56,980
2016-03-03 GSIG Gsi Group Inc Option Ex 3,517 13.18 46,354
2016-02-26 GSIG Gsi Group Inc Option Ex 3,386 12.59 42,629
2015-03-09 GSIG Gsi Group Inc Option Ex 7,747 12.37 95,830
2015-03-03 GSIG Gsi Group Inc Option Ex 3,517 12.53 44,068
2014-08-15 GSIG Gsi Group Inc Option Ex 4,000 12.31 49,240
2014-03-10 GSIG Gsi Group Inc Option Ex 7,747 12.55 97,224
2013-08-15 GSIG Gsi Group Inc Option Ex 4,000 8.44 33,760
2013-03-08 GSIG Gsi Group Inc Option Ex 3,466 .00 0
2012-08-15 GSIG Gsi Group Inc Option Ex 4,000 .00 0

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Chang Peter L (Vice President-Corp Controller of Gsi Group Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.