The following table details the trading activities
(stock purchases, stock sales, and stock option exercises)
the Securities and Exchange Commission (SEC)
by insider Stumpf John P since year 2005.
The trader's CIK number is 1382533.
At the time of this reporting, Stumpf John P is the VP - Strategic Plann of Mdu Resources Group Inc .
(stock ticker symbol MDU).
See this page for all insider trading activities at Mdu Resources Group Inc .
|Trade Date||Symbol||Company Name (Issuer)||Trade Type||Shares||Price ($)||Value ($)|
|2008-05-23||MDU||Mdu Resources Group Inc||Sale||5,442||31.62||172,103|
|2008-05-23||MDU||Mdu Resources Group Inc||Option Ex||5,442||16.20||88,133|
|2007-08-28||MDU||Mdu Resources Group Inc||Buy||187||26.61||4,975|
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 Stumpf John P (VP - Strategic Plann of Mdu Resources Group Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.