The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Stone Mark J since 2006.
The trader's CIK number is 1258539.
At the time of the last reporting, Stone Mark J was the Director of Northern Technologies International Corp. (stock ticker symbol NTIC).
Also see all insider trading activities at Northern Technologies International Corp.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2012 | NTIC | 0 | $0 | 8,859 | $123,699 | 0 | $0 |
| 2011 | NTIC | 0 | $0 | 2,000 | $32,400 | 2,000 | $16,020 |
| 2010 | NTIC | 0 | $0 | 2,000 | $28,786 | 2,000 | $11,500 |
| 2007 | NTIC | 0 | $0 | 0 | $0 | 3,000 | $15,825 |
| 2006 | NTIC | 0 | $0 | 5,000 | $23,400 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2012-08-10 | NTIC | Sale | 2,059 | 9.85 | 20,289 |
| 2012-02-28 | NTIC | Sale | 6,700 | 15.20 | 101,840 |
| 2012-02-27 | NTIC | Sale | 100 | 15.70 | 1,570 |
| 2011-08-31 | NTIC | Sale | 2,000 | 16.20 | 32,400 |
| 2011-08-31 | NTIC | Option Ex | 2,000 | 8.01 | 16,020 |
| 2010-11-29 | NTIC | Sale | 2,000 | 14.39 | 28,786 |
| 2010-08-30 | NTIC | Option Ex | 2,000 | 5.75 | 11,500 |
| 2007-08-21 | NTI | Option Ex | 3,000 | 5.28 | 15,825 |
| 2006-01-31 | NTIC | Sale | 5,000 | 4.68 | 23,400 |
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 Stone Mark J (Director of Northern Technologies International Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.