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Form 4 Filings | Insider Buys | Significant Buys |
Penny Stocks Insider Buying |
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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 |
| 2008-03-20 Purchase |
2008-03-24 11:45 am | NATIONAL DENTEX CORP | NADX | Green John W (Exec V P Lab Operations) | 7,913 | $12.44 | $98,438 | 7,913 (Direct) | View |
| 2008-03-20 Sale | 2008-03-24 11:07 am |
NATIONAL DENTEX CORP | NADX | MERZ DONALD E (Retired Senior Vice President) | 12,000 | $12.15 | $145,800 | 2,250 (Direct) |
View |
| 2007-08-29 Sale | 2007-08-30 08:45 am | NATIONAL DENTEX CORP | NADX | DINE LYNN D (V.P. Research & Development) | 1,650 | $17.03 | $28,103 | 1,500 (Direct) | View |
| 2007-05-25 Purchase(A) |
2007-05-31 08:12 am |
NATIONAL DENTEX CORP | NADX | CALLAHAN THOMAS E (Director) | 2,000 | $17.77 | $35,540 | 5,652 (Direct) | View |
| 2007-05-17 Purchase(A) | 2007-05-31 08:10 am |
NATIONAL DENTEX CORP | NADX | CALLAHAN THOMAS E (Director) | 1,000 | $15.44 | $15,440 | 3,652 (Direct) |
View |
| 2007-05-23 Purchase |
2007-05-23 2:14 pm | NATIONAL DENTEX CORP | NADX | Baker Douglas H (Vice President, Operations) | 6,000 | $17.45 | $104,675 | 6,829 (Direct) |
View |
| 2007-05-18 Purchase |
2007-05-18 11:02 am | NATIONAL DENTEX CORP | NADX | BROWN DAVID L (President, and CEO Director) | 2,000 | $15.68 | $31,355 | 33,523 (Direct) | View |
| 2007-05-16 Purchase | 2007-05-17 09:00 am | NATIONAL DENTEX CORP | NADX | Keller Thomas A (Vice President, Operations) | 1,000 | $15.46 | $15,457 | 2,000 (Direct) |
View |
| 2006-09-15 Sale | 2006-09-19 2:27 pm | NATIONAL DENTEX CORP | NADX | COLL WAYNE M (VP Controller & Asst.Treasurer) | 447 | $20.01 | $8,944 | 163 (Indirect) |
View |
| 2006-06-12 Sale | 2006-06-13 3:19 pm | NATIONAL DENTEX CORP | NADX | CHAMPAGNE ARTHUR B (Group Vice President) | 5,150 | $22.5 | $115,858 | 0 (Direct) | View |
| Transaction & Date |
Reported Date |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount | Shares Ownership |
Filing |
| 2008-05-20 Other | 2008-06-06 5:08 pm |
NATIONAL DENTEX CORP | NADX | BROWN DAVID L (President, and CEO Director) | 1,531 | $11.43 | $17,499 | 44,933 (Direct) | View |
| 2007-08-14- -2008-05-13 Option Award |
2008-05-15 1:10 pm |
NATIONAL DENTEX CORP | NADX | HARKINS DAVID V (Director) | 4,380 | $0 | $0 | 53,694 (Direct) | View |
| 2008-05-13 Option Award | 2008-05-15 12:34 pm |
NATIONAL DENTEX CORP | NADX | CROSBY JACK R (Director) | 3,380 | $0 | $0 | 9,535 (Direct) | View |
| 2008-05-13 Option Award |
2008-05-15 10:37 am | NATIONAL DENTEX CORP | NADX | CALLAHAN THOMAS E (Director) | 6,760 | $0 | $0 | 15,413 (Direct) |
View |
| 2008-05-13 Option Award |
2008-05-15 10:28 am |
NATIONAL DENTEX CORP | NADX | STRATE NORMAN F (Director) | 6,760 | $0 | $0 | 21,464 (Direct) |
View |
| 2008-05-13 Option Award |
2008-05-15 10:16 am |
NATIONAL DENTEX CORP | NADX | Mulvihill James E (Director) | 6,760 | $0 | $0 | 9,761 (Direct) |
View |
| 2008-03-20 Exercise | 2008-03-24 11:07 am | NATIONAL DENTEX CORP | NADX | MERZ DONALD E (Retired Senior Vice President) | 12,000 | $9.792 | $117,500 | 14,250 (Direct) |
View |
| 2007-12-05 Option Award |
2007-12-05 10:56 am | NATIONAL DENTEX CORP | NADX | STRATE NORMAN F (Director) | 3,001 | $0 | $0 | 14,704 (Direct) |
View |
| 2007-12-03 Option Award |
2007-12-03 4:11 pm | NATIONAL DENTEX CORP | NADX | Mulvihill James E (Director) | 3,001 | $0 | $0 | 3,001 (Direct) | View |
| 2007-11-13 Option Award | 2007-11-13 5:32 pm | NATIONAL DENTEX CORP | NADX | CALLAHAN THOMAS E (Director) | 3,001 | $0 | $0 | 8,653 (Direct) | View |
| 2007-11-13 Option Award |
2007-11-13 5:15 pm |
NATIONAL DENTEX CORP | NADX | CROSBY JACK R (Director) | 3,001 | $0 | $0 | 6,155 (Direct) |
View |
| 2007-10-26 Exercise | 2007-10-26 09:21 am | NATIONAL DENTEX CORP | NADX | BROWN DAVID L (President, and CEO Director) | 9,000 | $13.67 | $123,000 | 43,402 (Direct) |
View |
| 2007-05-18- -2007-10-25 Exercise Other | 2007-10-25 3:43 pm |
NATIONAL DENTEX CORP | NADX | COLL WAYNE M (VP CFO & Asst.Treasurer) | 2,154 | $13.51 | $29,090 | 2,317 (Direct Indirect) | View |
| 2007-10-23 Exercise | 2007-10-23 2:48 pm | NATIONAL DENTEX CORP | NADX | BECKER RICHARD F JR (Exec VP, Treasuer) | 6,000 | $13.67 | $82,000 | 23,275 (Direct) | View |
| 2007-10-17 Exercise |
2007-10-17 2:54 pm | NATIONAL DENTEX CORP | NADX | MARIACHER RICHARD G (Vice President Technical Servi) | 4,500 | $13.67 | $61,500 | 17,938 (Direct) |
View |
| 2007-08-29 Exercise | 2007-08-30 08:45 am |
NATIONAL DENTEX CORP | NADX | DINE LYNN D (V.P. Research & Development) | 1,650 | $13.7 | $22,600 | 3,150 (Direct) |
View |
| 2007-08-10 Exercise(A) | 2007-08-13 08:49 am |
NATIONAL DENTEX CORP | NADX | Ribeiro Dean A (Vice President Client Relation) | 300 | $13.67 | $4,100 | 747 (Direct) | View |
| 2007-08-10 Exercise | 2007-08-13 08:42 am |
NATIONAL DENTEX CORP | NADX | Ribeiro Dean A (Vice President Client Relation) | 189 | $13.67 | $2,583 | 747 (Direct) | View |
| 2007-05-01 Other(A) |
2007-05-29 4:52 pm |
NATIONAL DENTEX CORP | NADX | BROWN DAVID L (President, and CEO Director) | 879 | $15.48 | $13,607 | 34,402 (Direct) |
View |
| 2007-05-25 Option Award |
2007-05-25 12:01 pm |
NATIONAL DENTEX CORP | NADX | CALLAHAN THOMAS E (Director) | 2,000 | $17.77 | $35,540 | 5,652 (Direct) | View |
| 2007-05-01 Other |
2007-05-23 3:42 pm | NATIONAL DENTEX CORP | NADX | Ribeiro Dean A (Vice President Client Relation) | 189 | $15.48 | $2,926 | 447 (Direct) | View |
| 2007-05-01 Other | 2007-05-23 3:08 pm |
NATIONAL DENTEX CORP | NADX | MARIACHER RICHARD G (Vice President Technical Servi) | 136 | $15.48 | $2,105 | 13,438 (Direct) |
View |
| 2007-05-01 Other | 2007-05-23 2:59 pm |
NATIONAL DENTEX CORP | NADX | BROWN DAVID L (President, and CEO Director) | 881 | $15.48 | $13,638 | 34,404 (Direct) | View |
| 2007-05-01 Other |
2007-05-23 2:49 pm |
NATIONAL DENTEX CORP | NADX | Baker Douglas H (Vice President, Operations) | 331 | $15.48 | $5,124 | 7,160 (Direct) |
View |
| 2007-05-17 Option Award |
2007-05-18 08:31 am | NATIONAL DENTEX CORP | NADX | CALLAHAN THOMAS E (Director) | 1,000 | $15.44 | $15,440 | 3,652 (Direct) |
View |
| 2006-05-01 Other |
2006-09-19 2:27 pm |
NATIONAL DENTEX CORP | NADX | COLL WAYNE M (VP Controller & Asst.Treasurer) | 163 | $16.95 | $2,763 | 610 (Indirect) | View |
| 2006-06-15 Option Award | 2006-06-15 1:42 pm | NATIONAL DENTEX CORP | NADX | CALLAHAN THOMAS E (Director) | 1,596 | $0 | $0 | 2,652 (Direct) | View |
| 2006-06-15 Option Award | 2006-06-15 1:41 pm | NATIONAL DENTEX CORP | NADX | STRATE NORMAN F (Director) | 1,596 | $0 | $0 | 11,703 (Direct) |
View |
| 2006-06-15 Option Award | 2006-06-15 1:39 pm | NATIONAL DENTEX CORP | NADX | HARKINS DAVID V (Director) | 1,596 | $0 | $0 | 49,314 (Direct) | View |
| 2006-06-14 Exercise |
2006-06-15 12:37 pm | NATIONAL DENTEX CORP | NADX | CHAMPAGNE ARTHUR B (Group Vice President) | 4,500 | $8.667 | $39,000 | 4,500 (Direct) | View |
| 2004-10-18 Option Award | 2004-10-18 11:18 am | NATIONAL DENTEX CORP | NADX | GRADY DANIEL A (Director) | 703 | $28.44 | $19,993 | 2,968 (Direct) | View |
| 2004-04-01 Other | 2004-09-29 10:23 am | NATIONAL DENTEX CORP | NADX | SEPULVEDA ELOY V (Group Vice President) | 393 | $19.3 | $7,585 | 3,012 (Direct) | View |
| Transaction & Date | Reported Date |
Exercisable Expiration | Company | Symbol | Insider Relationship | Shares Traded |
Conversion Price |
Shares Ownership | Filing |
| 2008-03-20 Exercise |
2008-03-24 11:07 am |
2001-12-21 2008-12-21 |
NATIONAL DENTEX CORP | NADX | MERZ DONALD E (Retired Senior Vice President) | 9,000 | $10.17 | 0 (Direct) |
View |
| 2008-03-20 Exercise | 2008-03-24 11:07 am | 2003-04-05 2010-04-05 |
NATIONAL DENTEX CORP | NADX | MERZ DONALD E (Retired Senior Vice President) | 3,000 | $8.667 | 8,250 (Direct) | View |
| 2007-10-26 Exercise |
2007-10-26 09:21 am | 2000-10-27 2007-10-27 | NATIONAL DENTEX CORP | NADX | BROWN DAVID L (President, and CEO Director) | 9,000 | $13.67 | 0 (Direct) |
View |
| 2007-10-25 Exercise |
2007-10-25 3:43 pm | 2000-10-27 2007-10-27 |
NATIONAL DENTEX CORP | NADX | COLL WAYNE M (VP CFO & Asst.Treasurer) | 1,500 | $13.67 | 0 (Direct) | View |
| 2007-10-25 Exercise |
2007-10-25 3:43 pm | 2000-10-27 2007-10-27 | NATIONAL DENTEX CORP | NADX | COLL WAYNE M (VP CFO & Asst.Treasurer) | 450 | $13.67 | 0 (Indirect) | View |
| 2007-10-23 Exercise | 2007-10-23 2:48 pm | 2000-10-23 2007-10-27 | NATIONAL DENTEX CORP | NADX | BECKER RICHARD F JR (Exec VP, Treasuer) | 6,000 | $13.67 | 0 (Direct) | View |
| 2007-10-17 Exercise | 2007-10-17 2:54 pm |
2000-10-27 2007-10-27 |
NATIONAL DENTEX CORP | NADX | MARIACHER RICHARD G (Vice President Technical Servi) | 4,500 | $13.67 | 0 (Direct) |
View |
| 2007-08-29 Exercise | 2007-08-30 08:45 am | 2000-10-27 2007-10-27 |
NATIONAL DENTEX CORP | NADX | DINE LYNN D (V.P. Research & Development) | 1,500 | $13.67 | 0 (Direct) |
View |
| 2007-08-29 Exercise |
2007-08-30 08:45 am |
2000-09-25 2007-09-25 | NATIONAL DENTEX CORP | NADX | DINE LYNN D (V.P. Research & Development) | 150 | $14 | 0 (Direct) |
View |
| 2007-08-10 Exercise | 2007-08-13 08:49 am |
2000-10-27 2007-10-27 |
NATIONAL DENTEX CORP | NADX | Ribeiro Dean A (Vice President Client Relation) | 300 | $13.67 | 0 (Direct) |
View |
| 2007-08-10 Exercise | 2007-08-13 08:42 am |
2000-10-27 2007-10-27 |
NATIONAL DENTEX CORP | NADX | Ribeiro Dean A (Vice President Client Relation) | 300 | $13.67 | 0 (Direct) | View |
| 2006-06-14 Exercise |
2006-06-15 12:37 pm | 2003-04-05 2010-04-05 |
NATIONAL DENTEX CORP | NADX | CHAMPAGNE ARTHUR B (Group Vice President) | 4,500 | $8.667 | 0 (Direct) |
View |
| 2003-01-21 Option Award |
2004-03-05 2:11 pm |
2004-01-21 2013-01-21 | NATIONAL DENTEX CORP | NADX | DODD JAMES F III (Vice President, Business Devel) | 8,000 | $20.05 | 8,000 (Direct) |
View |
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