Insider Stock Trading History of Mattern James M


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 Mattern James M since year 2005. The trader's CIK number is 1194865. At the time of this reporting, Mattern James M is the VP - Administration of Black Hills Corp /sd/ . (stock ticker symbol BKH). See this page for all insider trading activities at Black Hills Corp /sd/ .


Stock purchases, sales, and option exercises reported by insider Mattern James M since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2008-01-02 BKH Black Hills Corp /sd/ Option Ex 7,500 22.00 165,000
2007-03-21 BKH Black Hills Corp /sd/ Option Ex 7,500 19.38 145,350

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 Mattern James M (VP - Administration of Black Hills Corp /sd/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.