Don Gruenberg serves as Executive at MFRI INC, where they oversee executive responsibilities. Since joining the company, Don Gruenberg has executed 18 insider transactions totaling $716.3K, demonstrating a bearish approach to their equity position. Their most recent transaction on Jun 26, 2007 involved selling 12,475 shares valued at $325.8K.
Don Gruenberg currently holds 7,480 shares of MFRI INC (MFRI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Don Gruenberg has been a net seller of MFRI stock. They have purchased $0 and sold $716.3K worth of shares.
Don Gruenberg's most recent insider trade was on Jun 26, 2007, when they sold 12,475 shares at $26.12 per share.
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| $7.61 |
| Discretionary |
| Jun 26, 2007 | MFRI | $1.9K | Option Exercise | 875 | $2.16 | Discretionary |
| Jun 26, 2007 | MFRI | $2.1K | Option Exercise | 1,000 | $2.15 | Discretionary |
| Jun 26, 2007 | MFRI | $20.6K | Option Exercise | 6,600 | $3.12 | Discretionary |
| Jun 26, 2007 | MFRI | $150.3K | Sale | 5,754 | $26.12 | Discretionary |
| Jun 25, 2007 | MFRI | $170.1K | Sale | 6,246 | $27.23 | Discretionary |
| Jun 20, 2006 | MFRI | $8.8K | Sale | 900 | $9.73 | Discretionary |
| Jun 20, 2006 | MFRI | $4.8K | Sale | 500 | $9.59 | Discretionary |
| Jun 20, 2006 | MFRI | $2.9K | Sale | 300 | $9.60 | Discretionary |
| Jun 20, 2006 | MFRI | $11.9K | Sale | 1,229 | $9.70 | Discretionary |
| Jun 20, 2006 | MFRI | $1.9K | Sale | 197 | $9.71 | Discretionary |
| Jun 20, 2006 | MFRI | $32.3K | Sale | 3,405 | $9.50 | Discretionary |
| Jun 20, 2006 | MFRI | $16.8K | Option Exercise | 5,400 | $3.12 | Discretionary |
| Jun 20, 2006 | MFRI | $1.9K | Option Exercise | 875 | $2.16 | Discretionary |
| Jun 20, 2006 | MFRI | $550 | Option Exercise | 256 | $2.15 | Discretionary |
| Jun 19, 2006 | MFRI | $7.4K | Sale | 744 | $10.00 | Discretionary |
| Jun 19, 2006 | MFRI | $1.6K | Option Exercise | 744 | $2.15 | Discretionary |