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Insider Trading: NATIONAL DENTEX CORP /MA/
Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of NATIONAL DENTEX CORP /MA/ in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of NATIONAL DENTEX CORP /MA/ since year 2005. Table 2 shows the detailed insider transactions of NATIONAL DENTEX CORP /MA/ since 2005.
The reporting company's ticker symbol is NADX.
The reporting company's CIK number is 913616.
The total value of stock buying since 2005 is $249,910.
The total value of stock sales is $856,301.
The total value of stock exercises is $589,558.
1 year stock price chart,
1 day stock price chart
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Figure 1. Monthly insider transaction values at NATIONAL DENTEX CORP /MA/ (NADX) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
08 09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 -
Figure 2. Average prices of insider buys, sales, and option exercises at NATIONAL DENTEX CORP /MA/ (NADX) in the past 24 months. See table 2 for insider transaction details.
08 09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 -
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for NATIONAL DENTEX CORP /MA/ (NADX).
Trading Period
year-month |
Insider Buying
Shares Value ($) |
Insider Sales
Shares Value ($) |
Option Exercises
Shares Value ($) |
| 2008-03 | 7,913 | 98,437 | 12,000 | 145,800 | 12,000 | 113,000 |
| 2007-10 | 0 | 0 | 0 | 0 | 21,450 | 293,150 |
| 2007-08 | 0 | 0 | 1,650 | 28,102 | 1,839 | 25,408 |
| 2007-05 | 9,000 | 151,473 | 0 | 0 | 0 | 0 |
| 2006-09 | 0 | 0 | 447 | 8,944 | 0 | 0 |
| 2006-06 | 0 | 0 | 6,104 | 136,846 | 0 | 0 |
| 2006-05 | 0 | 0 | 22,028 | 505,302 | 0 | 0 |
| 2006-04 | 0 | 0 | 0 | 0 | 2,250 | 29,625 |
| 2006-03 | 0 | 0 | 1,000 | 20,432 | 9,750 | 128,375 |
| 2005-12 | 0 | 0 | 500 | 10,875 | 0 | 0 |
Table 2. Detailed insider stock purchases, sales, and option exercises
for NATIONAL DENTEX CORP /MA/ (NADX)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2008-03-20 | Green John W (Exec V P Lab Operations) | Purchase | 7,913 | 12.44 | 98,437 |
| 2008-03-20 | Merz Donald E (Retired Senior Vice President) | Sale | 12,000 | 12.15 | 145,800 |
| 2008-03-20 | Merz Donald E (Retired Senior Vice President) | Option Exercise | 12,000 | 9.42 | 113,000 |
| 2007-10-26 | Brown David L (President, and CEO) | Option Exercise | 9,000 | 13.67 | 123,000 |
| 2007-10-25 | Coll Wayne M (VP CFO & Asst.Treasurer) | Option Exercise | 1,950 | 13.67 | 26,650 |
| 2007-10-23 | Becker Richard F Jr (Exec VP, Treasuer) | Option Exercise | 6,000 | 13.67 | 82,000 |
| 2007-10-17 | Mariacher Richard G (Vice President Technical Servi) | Option Exercise | 4,500 | 13.67 | 61,500 |
| 2007-08-29 | Dine Lynn D (V.P. Research & Development) | Sale | 1,650 | 17.03 | 28,102 |
| 2007-08-29 | Dine Lynn D (V.P. Research & Development) | Option Exercise | 1,650 | 13.83 | 22,825 |
| 2007-08-10 | Ribeiro Dean A (Vice President Client Relation) | Option Exercise | 189 | 13.67 | 2,583 |
| 2007-05-23 | Baker Douglas H (Vice President, Operations) | Purchase | 6,000 | 17.45 | 104,675 |
| 2007-05-18 | Brown David L (President, and CEO) | Purchase | 2,000 | 15.67 | 31,343 |
| 2007-05-16 | Keller Thomas A (Vice President, Operations) | Purchase | 1,000 | 15.46 | 15,455 |
| 2006-09-15 | Coll Wayne M (VP Controller & Asst.Treasurer) | Sale | 447 | 20.01 | 8,944 |
| 2006-06-12 | Champagne Arthur B (Group Vice President) | Sale | 5,150 | 22.50 | 115,858 |
| 2006-06-08 | Champagne Arthur B (Group Vice President) | Sale | 954 | 22.00 | 20,988 |
| 2006-05-26 | Champagne Arthur B (Group Vice President) | Sale | 6,646 | 22.71 | 150,930 |
| 2006-05-02 | Merz Donald E (Senior Vice President) | Sale | 14,032 | 23.01 | 322,876 |
| 2006-05-02 | Mariacher Richard G (Vice President, Technical Serv) | Sale | 697 | 23.25 | 16,205 |
| 2006-05-01 | Mariacher Richard G (Vice President, Technical Serv) | Sale | 653 | 23.42 | 15,291 |
| 2006-04-07 | Mariacher Richard G (Vice President Technical Servi) | Option Exercise | 2,250 | 13.17 | 29,625 |
| 2006-03-31 | Dine Lynn D (V.P. Research & Development) | Option Exercise | 1,500 | 13.17 | 19,750 |
| 2006-03-31 | Merz Donald E (Senior Vice President) | Option Exercise | 2,250 | 13.17 | 29,625 |
| 2006-03-23 | Becker Richard F Jr (Exec VP, Treasuer & CFO) | Option Exercise | 3,000 | 13.17 | 39,500 |
| 2006-03-21 | Brown David L (President, and CEO) | Option Exercise | 3,000 | 13.17 | 39,500 |
| 2006-03-10 | Callahan Thomas E (Director) | Sale | 675 | 20.40 | 13,769 |
| 2006-03-09 | Callahan Thomas E (Director) | Sale | 125 | 20.51 | 2,563 |
| 2006-03-08 | Callahan Thomas E (Director) | Sale | 200 | 20.50 | 4,100 |
| 2005-12-06 | Becker Richard F Jr (CFO) | Sale | 500 | 21.75 | 10,875 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above tables cannot be completely guaranteed as to their accuracy.
For more insider trading information of NATIONAL DENTEX CORP /MA/ (symbol NADX,
CIK number 913616) see
the Securities and Exchange Commission (SEC) website.
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