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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview
Overview of all insider trading transactions in MARTEK BIOSCIENCES CORP. Get notifications about new insider transactions in MARTEK BIOSCIENCES CORP for free.
| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 28 2004 | MATK | MARTEK BIOSCIENCES ... | JOHNSON ANN L | Director | Sell | S | 52.13 | 20,000 | 1,042,586 | 0 | 20 K to 0 (-100.00 %) |
| Sep 28 2004 | MATK | MARTEK BIOSCIENCES ... | JOHNSON ANN L | Director | Buy | M | 6.25 | 10,000 | 62,500 | 0 | -10,000 to 0 (-100.00 %) |
| Sep 28 2004 | MATK | MARTEK BIOSCIENCES ... | JOHNSON ANN L | Director | Buy | M | 14.44 | 5,000 | 72,185 | 0 | -5,000 to 0 (-100.00 %) |
| Sep 28 2004 | MATK | MARTEK BIOSCIENCES ... | JOHNSON ANN L | Director | Buy | M | 19.00 | 5,000 | 95,000 | 0 | -5,000 to 0 (-100.00 %) |
| Sep 28 2004 | MATK | MARTEK BIOSCIENCES ... | JOHNSON ANN L | Director | Option Exercise | M | 6.25 | 10,000 | 62,500 | 0 | |
| Sep 28 2004 | MATK | MARTEK BIOSCIENCES ... | JOHNSON ANN L | Director | Option Exercise | M | 14.44 | 5,000 | 72,185 | 0 | |
| Sep 28 2004 | MATK | MARTEK BIOSCIENCES ... | JOHNSON ANN L | Director | Option Exercise | M | 19.00 | 5,000 | 95,000 | 0 | |
| Sep 28 2004 | MATK | MARTEK BIOSCIENCES ... | JOHNSON ANN L | Director | Sell | S | 52.13 | 20,000 | 1,042,586 | 0 | 20 K to 0 (-100.00 %) |
| Sep 28 2004 | MATK | MARTEK BIOSCIENCES ... | JOHNSON ANN L | Director | Buy | M | 6.25 | 10,000 | 62,500 | 0 | -10,000 to 0 (-100.00 %) |
| Sep 28 2004 | MATK | MARTEK BIOSCIENCES ... | JOHNSON ANN L | Director | Buy | M | 14.44 | 5,000 | 72,185 | 0 | -5,000 to 0 (-100.00 %) |
| Sep 28 2004 | MATK | MARTEK BIOSCIENCES ... | JOHNSON ANN L | Director | Buy | M | 19.00 | 5,000 | 95,000 | 0 | -5,000 to 0 (-100.00 %) |
| Sep 17 2004 | MATK | MARTEK BIOSCIENCES ... | ROTBERG EUGENE H | Director | Option Exercise | M | 6.25 | 10,000 | 62,500 | 0 | |
| Sep 17 2004 | MATK | MARTEK BIOSCIENCES ... | ROTBERG EUGENE H | Director | Option Exercise | M | 19.00 | 5,000 | 95,000 | 0 | |
| Sep 17 2004 | MATK | MARTEK BIOSCIENCES ... | ROTBERG EUGENE H | Director | Sell | S | 55.28 | 2,900 | 160,312 | 2,100 | 5 K to 2.1 K (-58.00 %) |
| Sep 17 2004 | MATK | MARTEK BIOSCIENCES ... | ROTBERG EUGENE H | Director | Buy | M | 6.25 | 10,000 | 62,500 | 10,000 | 0 to 10 K |
| Sep 17 2004 | MATK | MARTEK BIOSCIENCES ... | ROTBERG EUGENE H | Director | Buy | M | 19.00 | 5,000 | 95,000 | 2,100 | -2,900 to 2.1 K (-172.41 %) |
| Sep 17 2004 | MATK | MARTEK BIOSCIENCES ... | FLATT JAMES H | Sr. VP Research & D ... | Option Exercise | M | 27.97 | 20,000 | 559,400 | 15,000 | |
| Sep 17 2004 | MATK | MARTEK BIOSCIENCES ... | FLATT JAMES H | Sr. VP Research & D ... | Sell | S | 55.04 | 20,000 | 1,100,800 | 0 | 20 K to 0 (-100.00 %) |
| Sep 17 2004 | MATK | MARTEK BIOSCIENCES ... | FLATT JAMES H | Sr. VP Research & D ... | Buy | M | 27.97 | 20,000 | 559,400 | 0 | -20,000 to 0 (-100.00 %) |
| Jul 06 2004 | MATK | MARTEK BIOSCIENCES ... | LINSERT HENRY JR | Chief Executive Off ... | Gift | G | 0.00 | 40,060 | 0 | 403,530 | 443.6 K to 403.5 K (-9.03 %) |
| Jul 06 2004 | MATK | MARTEK BIOSCIENCES ... | LINSERT HENRY JR | Chief Executive Off ... | Gift | G | 0.00 | 40,060 | 0 | 403,530 | 443.6 K to 403.5 K (-9.03 %) |
| Mar 23 2004 | MATK | MARTEK BIOSCIENCES ... | EASTERLING BARNEY B JR | SR VP Manufacturing | Option Exercise | A | 61.15 | 30,000 | 1,834,500 | 30,000 | |
| Mar 23 2004 | MATK | MARTEK BIOSCIENCES ... | BEERY JAMES | Director | Option Exercise | A | 61.15 | 20,000 | 1,223,000 | 20,000 | |
| Mar 23 2004 | MATK | MARTEK BIOSCIENCES ... | ABRAMSON DAVID M | SVP of Business Dev ... | Option Exercise | A | 61.15 | 20,000 | 1,223,000 | 20,000 | |
| Mar 23 2004 | MATK | MARTEK BIOSCIENCES ... | ABRAMSON DAVID M | SVP of Business Dev ... | Option Exercise | A | 61.15 | 20,000 | 1,223,000 | 20,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | FLATT JAMES H | Sr. VP Research & D ... | Option Exercise | A | 61.15 | 30,000 | 1,834,500 | 30,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | BUZY PETER L | Chief Financial Off ... | Option Exercise | A | 61.15 | 30,000 | 1,834,500 | 30,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | KELLER JEROME C | Senior VP Sale & Ma ... | Option Exercise | A | 61.15 | 30,000 | 1,834,500 | 30,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | KELLER JEROME C | Senior VP Sale & Ma ... | Option Exercise | A | 61.15 | 30,000 | 1,834,500 | 30,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | BARKER GEORGE P | Senior Vice Preside ... | Option Exercise | A | 61.15 | 30,000 | 1,834,500 | 30,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | DUBIN STEVE | President | Option Exercise | A | 61.15 | 40,000 | 2,446,000 | 40,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | LINSERT HENRY JR | Chief Executive Off ... | Option Exercise | A | 61.15 | 45,000 | 2,751,750 | 45,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | LINSERT HENRY JR | Chief Executive Off ... | Option Exercise | A | 61.15 | 45,000 | 2,751,750 | 45,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | ROTBERG EUGENE H | Director | Option Exercise | A | 61.15 | 15,000 | 917,250 | 15,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | RADMER RICHARD J | Director | Option Exercise | A | 61.15 | 15,000 | 917,250 | 15,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | PANEM SANDRA PHD | Director | Option Exercise | A | 61.15 | 15,000 | 917,250 | 15,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | PANEM SANDRA PHD | Director | Option Exercise | A | 61.15 | 15,000 | 917,250 | 15,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | MAHAR JOHN H | Director | Option Exercise | A | 61.15 | 15,000 | 917,250 | 15,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | MACMASTER JR DOUGLAS J | Director | Option Exercise | A | 61.15 | 15,000 | 917,250 | 15,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | JOHNSON ANN L | Director | Option Exercise | A | 61.15 | 15,000 | 917,250 | 15,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | MACKLIN GORDON S | Director | Option Exercise | A | 61.15 | 15,000 | 917,250 | 15,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | FLANAGAN ROBERT J | Director | Option Exercise | A | 60.15 | 15,000 | 902,250 | 15,000 | |
| Mar 22 2004 | MATK | MARTEK BIOSCIENCES ... | BLAKE JULES PHD | Director | Option Exercise | A | 61.15 | 15,000 | 917,250 | 15,000 |