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Form 4 Filings | Insider Buys | Significant Buys |
Penny Stocks Insider Buying |
Insider Sales |
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"Insiders might sell their shares for any number of reasons, but they buy them for only one:
they think the price will rise" - Peter Lynch ==>> What is insider trading>> |

| Transaction & Date | Reported Date |
Company | Symbol | Insider Relationship |
Shares Traded | Average Price | Total Amount |
Shares Ownership |
Filing |
| 2008-11-17 Purchase |
2008-11-18 2:48 pm | DOCUMENT SECURITY SYSTEMS INC | DMC | GREENSTEIN IRA A (Director) | 10,000 | $1.505 | $15,050 | 10,000 (Direct) | View |
| 2008-03-19 Purchase |
2008-03-20 09:26 am | IDT CORP | IDT | GREENSTEIN IRA A (President) | 5,200 | $3.62 | $18,824 | 90,433 (Direct) |
View |
| 2008-03-14 Purchase |
2008-03-18 4:38 pm |
IDT CORP | IDT | GREENSTEIN IRA A (President) | 50,000 | $3.73 | $186,500 | 85,233 (Direct) |
View |
| 2003-12-11 Sale |
2003-12-12 12:11 pm | IDT CORP | IDT | GREENSTEIN IRA A (President) | 34,900 | $19.61 | $684,256 | 0 (Direct) |
View |
| 2003-12-01 Sale | 2003-12-03 4:08 pm |
IDT CORP | IDT | GREENSTEIN IRA A (President) | 65,100 | $19.61 | $1,276,819 | 0 (Direct) | View |
| 2003-10-24 Sale | 2003-10-28 10:49 am | IDT CORP | IDT | GREENSTEIN IRA A (President) | 14,800 | $19.61 | $290,176 | 0 (Direct) |
View |
| 2003-10-09 Sale |
2003-10-10 4:17 pm | IDT CORP | IDT | GREENSTEIN IRA A (President) | 50,000 | $18.4 | $920,000 | 0 (Direct) | View |
| Transaction & Date | Reported Date | Company | Symbol | Insider Relationship |
Shares Traded |
Average Price | Total Amount |
Shares Ownership | Filing |
| 2008-02-01 Tax Withholding | 2008-02-05 5:17 pm | IDT CORP | IDT | GREENSTEIN IRA A (President) | 3,953 | $6.89 | $27,236 | 35,233 (Direct) |
View |
| 2007-02-01 Tax Withholding | 2007-02-05 4:31 pm | IDT CORP | IDT | GREENSTEIN IRA A (President) | 3,635 | $13.26 | $48,182 | 39,186 (Direct) |
View |
| 2007-01-02 Tax Withholding | 2007-01-04 4:11 pm | IDT CORP | IDT | GREENSTEIN IRA A (President) | 3,656 | $13.11 | $47,930 | 42,821 (Direct) |
View |
| 2006-02-01 Tax Withholding |
2006-02-03 1:20 pm | IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 3,345 | $12.24 | $40,943 | 46,477 (Direct) |
View |
| 2006-01-03 Tax Withholding |
2006-01-05 7:20 pm |
IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 3,492 | $11.73 | $40,961 | 49,822 (Direct) |
View |
| 2005-01-20 Option Award |
2005-01-24 4:13 pm |
IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 30,000 | $0 | $0 | 53,314 (Direct) |
View |
| 2005-01-03 Tax Withholding | 2005-01-05 12:40 pm | IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 3,353 | $15.34 | $51,435 | 23,314 (Direct) |
View |
| 2004-01-16 Option Award |
2004-01-20 4:59 pm | IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 26,667 | $0 | $0 | 26,667 (Direct) | View |
| 2003-12-11 Exercise |
2003-12-12 12:11 pm | IDT CORP | IDT | GREENSTEIN IRA A (President) | 34,900 | $12.06 | $420,894 | 0 (Direct) | View |
| 2003-12-01 Exercise | 2003-12-03 4:08 pm |
IDT CORP | IDT | GREENSTEIN IRA A (President) | 65,100 | $11.19 | $728,318 | 0 (Direct) | View |
| 2003-10-24 Exercise |
2003-10-28 10:49 am | IDT CORP | IDT | GREENSTEIN IRA A (President) | 14,800 | $10.44 | $154,475 | 0 (Direct) |
View |
| 2003-10-09 Exercise |
2003-10-10 4:17 pm |
IDT CORP | IDT | GREENSTEIN IRA A (President) | 50,000 | $8.851 | $442,575 | 0 (Direct) | View |
| Transaction & Date | Reported Date | Exercisable Expiration | Company | Symbol | Insider Relationship |
Shares Traded |
Conversion Price | Shares Ownership | Filing |
| 2008-01-02 Option Award | 2009-04-20 11:39 am |
2009-01-01 2013-01-02 | DOCUMENT SECURITY SYSTEMS INC | DMC | GREENSTEIN IRA A (Director) | 9,000 | $6.31 | 19,000 (Direct) | View |
| 2007-04-23 Option Award |
2007-04-25 5:07 pm | N/A 2017-04-23 | IDT CORP | IDT | GREENSTEIN IRA A (President) | 112,236 | $11.33 | 112,236 (Direct) |
View |
| 2006-01-02 Option Award |
2007-01-04 8:03 pm | 2007-01-02 2011-01-02 | DOCUMENT SECURITY SYSTEMS INC | DMC | GREENSTEIN IRA A (Director) | 5,000 | $11.86 | 5,000 (Direct) |
View |
| 2007-01-02 Option Award | 2007-01-04 8:03 pm | 2008-01-02 2012-01-02 | DOCUMENT SECURITY SYSTEMS INC | DMC | GREENSTEIN IRA A (Director) | 5,000 | $11.09 | 5,000 (Direct) |
View |
| 2006-05-22 Option Sale | 2006-05-25 4:12 pm |
2003-07-01 2013-01-02 | IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 17,500 | $14.95 | 0 (Direct) |
View |
| 2006-05-22 Option Sale | 2006-05-25 4:12 pm | 2004-01-01 2013-01-02 | IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 17,500 | $14.95 | 0 (Direct) | View |
| 2006-05-22 Option Sale | 2006-05-25 4:12 pm |
2004-07-01 2013-01-02 |
IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 17,500 | $14.95 | 0 (Direct) |
View |
| 2006-05-22 Option Sale | 2006-05-25 4:12 pm |
2005-01-01 2013-01-02 | IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 17,500 | $14.95 | 0 (Direct) |
View |
| 2006-05-22 Option Sale |
2006-05-25 4:12 pm |
2005-01-24 2013-01-02 |
IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 30,000 | $14.95 | 0 (Direct) | View |
| 2006-05-22 Option Sale | 2006-05-25 4:12 pm | 2003-10-01 2012-09-05 | IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 35,000 | $14.45 | 0 (Direct) |
View |
| 2006-05-22 Option Sale |
2006-05-25 4:12 pm | 2004-10-01 2012-09-05 |
IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 35,000 | $14.45 | 0 (Direct) |
View |
| 2006-05-22 Option Sale | 2006-05-25 4:12 pm | 2005-01-24 2012-09-05 |
IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 30,000 | $14.45 | 0 (Direct) |
View |
| 2006-05-22 Option Sale |
2006-05-24 4:17 pm |
2004-12-15 2014-01-15 |
IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 11,111 | $22.3 | 0 (Direct) |
View |
| 2006-05-22 Option Sale | 2006-05-24 4:17 pm |
2005-01-24 2014-01-15 | IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 22,222 | $22.3 | 0 (Direct) | View |
| 2006-05-22 Option Sale | 2006-05-24 4:17 pm |
2004-12-15 2014-06-27 | IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 11,111 | $18.15 | 0 (Direct) | View |
| 2006-05-22 Option Sale |
2006-05-24 4:17 pm | 2005-01-24 2014-06-27 |
IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 22,222 | $18.15 | 0 (Direct) | View |
| 2005-07-22 Option Award | 2005-07-26 4:46 pm | 2005-07-30 2015-07-21 |
IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 33,333 | $12.95 | 33,333 (Direct) |
View |
| 2005-01-02 Option Award | 2005-01-04 10:48 am |
2005-01-02 2010-01-02 |
DOCUMENT SECURITY SYSTEMS INC | DMC | GREENSTEIN IRA A (Director) | 2,500 | $7.14 | 7,500 (Direct) | View |
| 2004-06-28 Option Award |
2004-06-30 5:37 pm | 2004-12-15 2014-06-27 |
IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 11,111 | $18.15 | 11,111 (Direct) |
View |
| 2004-06-28 Option Award | 2004-06-30 5:37 pm | 2005-12-15 2014-06-27 |
IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 11,111 | $18.15 | 11,111 (Direct) | View |
| 2004-06-28 Option Award | 2004-06-30 5:37 pm | 2006-12-15 2014-06-27 | IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 11,111 | $18.15 | 11,111 (Direct) | View |
| 2004-01-16 Option Award | 2004-01-20 4:59 pm |
2004-12-15 2014-12-14 | IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 11,111 | $22.3 | 0 (Direct) | View |
| 2004-01-16 Option Award |
2004-01-20 4:59 pm | 2005-12-15 2014-12-14 | IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 11,111 | $22.3 | 0 (Direct) |
View |
| 2004-01-16 Option Award | 2004-01-20 4:59 pm |
2006-12-15 2014-12-14 |
IDT CORP | IDT | GREENSTEIN IRA A (President Director) | 11,111 | $22.3 | 0 (Direct) | View |
| 2003-12-11 Exercise | 2003-12-12 12:11 pm | 2002-05-01 2011-12-12 |
IDT CORP | IDT | GREENSTEIN IRA A (President) | 2,400 | $12.06 | 0 (Direct) | View |
| 2003-12-11 Exercise |
2003-12-12 12:11 pm | 2002-08-01 2011-12-12 | IDT CORP | IDT | GREENSTEIN IRA A (President) | 16,250 | $12.06 | 0 (Direct) | View |
| 2003-12-11 Exercise | 2003-12-12 12:11 pm |
2002-11-01 2011-12-12 |
IDT CORP | IDT | GREENSTEIN IRA A (President) | 16,250 | $12.06 | 0 (Direct) |
View |
| 2003-12-01 Exercise |
2003-12-03 4:08 pm |
2002-02-01 2010-01-31 | IDT CORP | IDT | GREENSTEIN IRA A (President) | 1,800 | $10.44 | 0 (Direct) |
View |
| 2003-12-01 Exercise |
2003-12-03 4:08 pm |
2002-08-01 2010-01-31 | IDT CORP | IDT | GREENSTEIN IRA A (President) | 16,600 | $10.44 | 0 (Direct) |
View |
| 2003-12-01 Exercise |
2003-12-03 4:08 pm |
2003-02-01 2010-01-31 | IDT CORP | IDT | GREENSTEIN IRA A (President) | 16,600 | $10.44 | 0 (Direct) |
View |
| 2003-12-01 Exercise | 2003-12-03 4:08 pm |
2002-02-01 2011-12-12 |
IDT CORP | IDT | GREENSTEIN IRA A (President) | 16,250 | $12.06 | 0 (Direct) | View |
| 2003-12-01 Exercise |
2003-12-03 4:08 pm | 2002-05-01 2011-12-12 | IDT CORP | IDT | GREENSTEIN IRA A (President) | 13,850 | $12.06 | 2,400 (Direct) |
View |
| 2003-10-24 Exercise |
2003-10-28 10:49 am |
2002-02-01 2010-01-31 | IDT CORP | IDT | GREENSTEIN IRA A (President) | 14,800 | $10.44 | 1,800 (Direct) | View |
| 2003-10-09 Exercise | 2003-10-10 4:17 pm | 2003-04-01 2011-04-04 |
IDT CORP | IDT | GREENSTEIN IRA A (President) | 50,000 | $8.851 | 0 (Direct) | View |
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