The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Stumpf John P since 2007.
The trader's CIK number is 1382533.
At the time of the last reporting, Stumpf John P was the VP - Strategic Plann of Mdu Resources Group Inc. (stock ticker symbol MDU).
Also see all insider trading activities at Mdu Resources Group Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2008 | MDU | 0 | $0 | 5,442 | $172,103 | 5,442 | $88,133 |
| 2007 | MDU | 187 | $4,975 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2008-05-23 | MDU | Sale | 5,442 | 31.62 | 172,103 |
| 2008-05-23 | MDU | Option Ex | 5,442 | 16.20 | 88,133 |
| 2007-08-28 | MDU | 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.