The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Vollmer Jason L since 2020.
This trader's CIK number is 1626019.
At the time of last reporting, Vollmer Jason L was the CFO 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 |
| 2025 | MDU | 5,000 | $81,375 | 0 | $0 | 0 | $0 |
| 2020 | MDU | 3,200 | $77,316 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-19 | MDU | Buy | 5,000 | 16.27 | 81,375 |
| 2020-11-11 | MDU | Buy | 1,000 | 24.93 | 24,926 |
| 2020-05-13 | MDU | Buy | 1,000 | 19.61 | 19,615 |
| 2020-03-09 | MDU | Buy | 1,200 | 27.31 | 32,775 |
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 Vollmer Jason L (CFO of Mdu Resources Group Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.