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Insider Trading: MARTEK BIOSCIENCES CORP
Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of MARTEK BIOSCIENCES CORP in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of MARTEK BIOSCIENCES CORP since year 2005. Table 2 shows the detailed insider transactions of MARTEK BIOSCIENCES CORP since 2005.
The reporting company's ticker symbol is MATK.
The reporting company's CIK number is 892025.
The total value of stock buying since 2005 is $527,344.
The total value of stock sales is $1,576,727.
The total value of stock exercises is $1,093,467.
1 year stock price chart,
1 day stock price chart
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Figure 1. Monthly insider transaction values at MARTEK BIOSCIENCES CORP (MATK) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
08 09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 -
Figure 2. Average prices of insider buys, sales, and option exercises at MARTEK BIOSCIENCES CORP (MATK) in the past 24 months. See table 2 for insider transaction details.
08 09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 -
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for MARTEK BIOSCIENCES CORP (MATK).
Trading Period
year-month |
Insider Buying
Shares Value ($) |
Insider Sales
Shares Value ($) |
Option Exercises
Shares Value ($) |
| 2008-06 | 0 | 0 | 9,500 | 319,893 | 10,000 | 62,500 |
| 2008-03 | 0 | 0 | 0 | 0 | 37,914 | 0 |
| 2008-01 | 0 | 0 | 0 | 0 | 5,000 | 72,185 |
| 2007-12 | 1,000 | 28,150 | 40,500 | 1,139,267 | 50,000 | 775,000 |
| 2007-04 | 5,864 | 124,723 | 0 | 0 | 0 | 0 |
| 2007-03 | 2,500 | 50,698 | 0 | 0 | 0 | 0 |
| 2006-09 | 14,000 | 295,963 | 0 | 0 | 0 | 0 |
| 2006-03 | 0 | 0 | 3,500 | 117,567 | 3,500 | 115,062 |
| 2006-02 | 1,000 | 27,810 | 0 | 0 | 0 | 0 |
| 2005-12 | 0 | 0 | 0 | 0 | 4,000 | 68,720 |
Table 2. Detailed insider stock purchases, sales, and option exercises
for MARTEK BIOSCIENCES CORP (MATK)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2008-06-18 | D'andrea Harry J (Director) | Sale | 1,500 | 34.03 | 51,041 |
| 2008-06-18 | Macmaster Jr Douglas J (Director) | Sale | 8,000 | 33.61 | 268,852 |
| 2008-06-18 | Macmaster Jr Douglas J (Director) | Option Exercise | 10,000 | 6.25 | 62,500 |
| 2008-03-19 | Feitel David (Sr VP, Gen Counsel & Secretary) | Option Exercise | 1,418 | .00 | 0 |
| 2008-03-19 | Nitze Peter A (Chief Operating Officer&ExecVP) | Option Exercise | 2,788 | .00 | 0 |
| 2008-03-19 | Abramson David M (President) | Option Exercise | 2,788 | .00 | 0 |
| 2008-03-19 | Easterling Barney B Jr (Sr VP Manufacturing) | Option Exercise | 1,566 | .00 | 0 |
| 2008-03-19 | Dubin Steve (Chief Executive Officer) | Option Exercise | 3,599 | .00 | 0 |
| 2008-03-19 | Buzy Peter L (CFO, Treasurer and Exec VP) | Option Exercise | 2,788 | .00 | 0 |
| 2008-03-13 | D'andrea Harry J (Director) | Option Exercise | 2,907 | .00 | 0 |
| 2008-03-13 | Beery James (Director) | Option Exercise | 2,907 | .00 | 0 |
| 2008-03-13 | Keller Jerome C (Director) | Option Exercise | 2,907 | .00 | 0 |
| 2008-03-13 | Rotberg Eugene H (Director) | Option Exercise | 2,907 | .00 | 0 |
| 2008-03-13 | Flanagan Robert J (Director) | Option Exercise | 2,907 | .00 | 0 |
| 2008-03-13 | Macmaster Jr Douglas J (Director) | Option Exercise | 2,907 | .00 | 0 |
| 2008-03-13 | Kawalek Polly B (Director) | Option Exercise | 2,907 | .00 | 0 |
| 2008-03-07 | D'andrea Harry J (Director) | Option Exercise | 2,618 | .00 | 0 |
| 2008-01-02 | Rotberg Eugene H (Director) | Option Exercise | 5,000 | 14.44 | 72,185 |
| 2007-12-21 | Beery James (Director) | Sale | 500 | 28.74 | 14,367 |
| 2007-12-18 | Dubin Steve (Chief Executive Officer) | Purchase | 1,000 | 28.15 | 28,150 |
| 2007-12-18 | Buzy Peter L (CFO, Treasurer and Exec VP) | Sale | 40,000 | 28.12 | 1,124,900 |
| 2007-12-18 | Buzy Peter L (CFO, Treasurer and Exec VP) | Option Exercise | 50,000 | 15.50 | 775,000 |
| 2007-04-05 | Abramson David M (President) | Purchase | 1,000 | 21.58 | 21,580 |
| 2007-04-04 | Nitze Peter A (Chief Operating Officer&ExecVP) | Purchase | 1,000 | 21.15 | 21,149 |
| 2007-04-04 | Buzy Peter L (CFO, Treasurer and Exec VP) | Purchase | 3,864 | 21.22 | 81,994 |
| 2007-03-30 | Dubin Steve (Chief Executive Officer) | Purchase | 2,500 | 20.28 | 50,698 |
| 2006-09-12 | Flanagan Robert J (Director) | Purchase | 5,000 | 21.48 | 107,400 |
| 2006-09-11 | Dubin Steve (President & CEO) | Purchase | 4,000 | 20.69 | 82,763 |
| 2006-09-11 | Flanagan Robert J (Director) | Purchase | 2,500 | 20.84 | 52,100 |
| 2006-03-09 | Mahar John H (Director) | Sale | 3,500 | 33.59 | 117,567 |
| 2006-03-09 | Mahar John H (Director) | Option Exercise | 3,500 | 32.88 | 115,062 |
| 2006-02-03 | Kawalek Polly B (Director) | Purchase | 1,000 | 27.81 | 27,810 |
| 2005-12-22 | Dubin Steve (President) | Option Exercise | 4,000 | 17.18 | 68,720 |
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 MARTEK BIOSCIENCES CORP (symbol MATK,
CIK number 892025) see
the Securities and Exchange Commission (SEC) website.
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