MARK J STONE Insider Trading Transactions
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General | Insider Transactions | Monthly Overview
Get the latest insider transactions of MARK J STONE. MARK J STONE is Director in NORTHERN TECHNOLOGIES INTERNATIONAL CORP ($NTIC).
Latest Insider Trading Transactions of MARK J STONE
| 1 Week | 2 Weeks | 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | |
|---|---|---|---|---|---|---|---|
| No. of Purchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Purchases ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No. of Sales | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Sales ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 02 2011 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Option Exercise | A | 16.45 | 4,000 | 65,800 | 4,000 | |
| Sep 02 2011 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Option Exercise | M | 8.01 | 2,000 | 16,020 | 0 | |
| Sep 02 2011 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Buy | M | 8.01 | 2,000 | 16,020 | 10,000 | 8 K to 10 K (+25.00 %) |
| Sep 02 2011 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Sell | S | 16.20 | 2,000 | 32,400 | 8,000 | 10 K to 8 K (-20.00 %) |
| Nov 29 2010 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Sell | S | 14.39 | 2,000 | 28,786 | 10,000 | 12 K to 10 K (-16.67 %) |
| Sep 03 2010 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Option Exercise | A | 9.76 | 4,000 | 39,040 | 4,000 | |
| Aug 30 2010 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Option Exercise | M | 5.75 | 2,000 | 11,500 | 0 | |
| Aug 30 2010 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Buy | M | 5.75 | 2,000 | 11,500 | 2,000 | 0 to 2 K |
| Sep 01 2009 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Option Exercise | A | 8.57 | 4,000 | 34,280 | 4,000 | |
| Sep 03 2008 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Option Exercise | A | 12.84 | 4,000 | 51,360 | 4,000 | |
| Sep 05 2007 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Grant | A | 9.75 | 2,000 | 19,500 | 2,000 | 0 to 2 K |
| Aug 22 2007 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Buy | M | 5.25 | 2,000 | 10,500 | 2,000 | 0 to 2 K |
| Aug 22 2007 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Buy | M | 5.30 | 1,000 | 5,300 | 1,000 | 0 to 1,000 |
| Aug 15 2007 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Buy | M | 8.50 | 500 | 4,250 | 500 | 0 to 500 |
| Aug 15 2007 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Buy | M | 8.50 | 300 | 2,550 | 300 | 0 to 300 |
| Aug 15 2007 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Buy | M | 8.80 | 200 | 1,760 | 200 | 0 to 200 |
| Sep 01 2004 | NTIC | NORTHERN TECHNOLOG ... | STONE MARK J | Director | Option Exercise | A | 5.25 | 2,000 | 10,500 | 9,000 |
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