Martek Biosciences Corp (MATK)

Consumer Non-Cyclicals Food & Beverages Food & Tobacco

Track

Stock chart
Ticker: MATK Exchange: NSQ


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2011-02-24 2011-02-24 B Purchase

Royal DSM N.V.

Large shareholder
245,302 +0.8%
31.50
USD 7,727,013 		245,302 +0.8% 31.50 USD 7,727,013
2011-02-24 2011-02-23 B Purchase

Royal DSM N.V.

Large shareholder
17,000 +0.1%
31.50
USD 535,500 		17,000 +0.1% 31.50 USD 535,500
2011-03-01 2011-02-22 B Purchase

Royal DSM N.V.

Large shareholder
15,712,946 +52.3%
31.50
USD 494,957,799 		15,712,946 +52.3% 31.50 USD 494,957,799
2011-02-24 2011-02-22 B Purchase

Royal DSM N.V.

Large shareholder
32 +0.0%
31.50
USD 1,008 		32 +0.0% 31.50 USD 1,008
2010-07-07 2010-07-07 B Purchase

DUBIN STEVE

Chief Executive Officer

Executive Director
2,000 +6.6%
20.96
USD 41,926 		2,000 +6.6% 20.96 USD 41,926
2010-01-19 2009-09-23 S Sale

MACMASTER JR DOUGLAS J

Non-Executive Director
4,907 -22.2%
23.80
USD 116,787 		4,907 -22.2% 23.80 USD 116,787
2008-06-18 2008-06-18 S Sale

MACMASTER JR DOUGLAS J

Non-Executive Director
8,000 -28.5%
33.61
USD 268,853 		8,000 -28.5% 33.61 USD 268,853
2008-01-14 2007-12-21 S Sale

BEERY JAMES

Non-Executive Director
412 -100.0%
28.74
USD 11,841 		412 -100.0% 28.74 USD 11,841
2008-01-14 2007-12-21 S Sale

BEERY JAMES

Non-Executive Director
88 -17.6%
28.73
USD 2,528 		88 -17.6% 28.73 USD 2,528
2007-12-18 2007-12-18 S Sale

BUZY PETER L

CFO, Treasurer and Exec VP

Officer
40,000 -80.0%
28.12
USD 1,124,900 		40,000 -80.0% 28.12 USD 1,124,900
2007-12-18 2007-12-18 B Purchase

DUBIN STEVE

Chief Executive Officer

Executive Director
1,000 +6.0%
28.15
USD 28,150 		1,000 +6.0% 28.15 USD 28,150
2007-04-05 2007-04-05 B Purchase

ABRAMSON DAVID M

President

Officer
1,000 +400.0%
21.58
USD 21,580 		1,000 +400.0% 21.58 USD 21,580
2007-04-05 2007-04-04 B Purchase

BUZY PETER L

CFO, Treasurer and Exec VP

Officer
3,864 +inf%
21.22
USD 82,000 		3,864 +inf% 21.22 USD 82,000
2007-04-04 2007-04-04 B Purchase

Nitze Peter A

Chief Operating Officer&ExecVP

Officer
1,000 +inf%
21.15
USD 21,150 		1,000 +inf% 21.15 USD 21,150
2007-03-30 2007-03-30 B Purchase

DUBIN STEVE

Chief Executive Officer

Executive Director
2,500 +17.6%
20.28
USD 50,698 		2,500 +17.6% 20.28 USD 50,698
2006-09-12 2006-09-12 B Purchase

FLANAGAN ROBERT J

Non-Executive Director
2,500 +33.3%
21.48
USD 53,700 		2,500 +33.3% 21.48 USD 53,700
2006-09-11 2006-09-11 B Purchase

DUBIN STEVE

President & CEO

Executive Director
4,000 +39.2%
20.69
USD 82,764 		4,000 +39.2% 20.69 USD 82,764
2006-09-11 2006-09-11 B Purchase

FLANAGAN ROBERT J

Non-Executive Director
2,500 +50.0%
20.84
USD 52,100 		2,500 +50.0% 20.84 USD 52,100
2006-06-21 2006-06-21 S Sale

MAHAR JOHN H

Non-Executive Director
5,000 -100.0%
28.68
USD 143,403 		5,000 -100.0% 28.68 USD 143,403
2006-03-10 2006-03-09 S Sale

MAHAR JOHN H

Non-Executive Director
3,500 -100.0%
33.59
USD 117,567 		3,500 -100.0% 33.59 USD 117,567
2006-02-15 2006-02-03 B Purchase

KAWALEK POLLY B

Non-Executive Director
232 +30.2%
27.82
USD 6,454 		232 +30.2% 27.82 USD 6,454
2006-02-15 2006-02-03 B Purchase

KAWALEK POLLY B

Non-Executive Director
768 +inf%
27.80
USD 21,350 		768 +inf% 27.80 USD 21,350
2005-09-15 2005-09-14 S Sale

PANEM SANDRA PHD

Non-Executive Director
30,000 -55.3%
42.30
USD 1,268,973 		30,000 -55.3% 42.30 USD 1,268,973
2005-09-14 2005-09-13 S Sale

KELLER JEROME C

Sr VP Sales & Marketing

Officer
72,000 -96.0%
43.02
USD 3,097,310 		72,000 -96.0% 43.02 USD 3,097,310
2005-09-14 2005-09-12 S Sale

KELLER JEROME C

Sr VP Sales & Marketing

Officer
158,000 -98.1%
44.40
USD 7,014,884 		158,000 -98.1% 44.40 USD 7,014,884
2005-09-14 2005-09-12 S Sale

RADMER RICHARD J

Non-Executive Director
20,000 -57.1%
44.93
USD 898,610 		20,000 -57.1% 44.93 USD 898,610
2005-06-22 2005-06-21 S Sale

PANEM SANDRA PHD

Non-Executive Director
2,601 -8.9%
36.84
USD 95,816 		2,601 -8.9% 36.84 USD 95,816
2005-04-07 2005-04-06 S Sale

ROTBERG EUGENE H

Non-Executive Director
15,000 -26.4%
60.82
USD 912,251 		15,000 -26.4% 60.82 USD 912,251
2005-02-10 2005-02-09 S Sale

BLAKE JULES PHD

Non-Executive Director
35,000 -92.2%
63.70
USD 2,229,556 		35,000 -92.2% 63.70 USD 2,229,556
2005-01-28 2005-01-26 B Purchase

MACKLIN GORDON S

Non-Executive Director
9,200 +11.3%
49.10
USD 451,720 		9,200 +11.3% 49.10 USD 451,720
2005-01-25 2005-01-21 B Purchase

PANEM SANDRA PHD

Non-Executive Director
36,188 +25.5%
51.62
USD 1,867,956 		36,188 +25.5% 51.62 USD 1,867,956
2004-12-23 2004-12-23 B Purchase

FLANAGAN ROBERT J

Non-Executive Director
2,000 +inf%
49.62
USD 99,240 		2,000 +inf% 49.62 USD 99,240
2004-12-17 2004-12-17 B Purchase

ABRAMSON DAVID M

SVP of Business Development

Officer
150 +inf%
49.44
USD 7,416 		150 +inf% 49.44 USD 7,416
2004-12-17 2004-12-17 B Purchase

ABRAMSON DAVID M

SVP of Business Development

Officer
100 +inf%
49.43
USD 4,943 		100 +inf% 49.43 USD 4,943
2004-10-12 2004-10-08 S Sale

BARKER GEORGE P

Senior Vice President, Counsel
25,000 -100.0%
48.63
USD 1,215,683 		25,000 -100.0% 48.63 USD 1,215,683
2004-09-28 2004-09-27 S Sale

MACMASTER JR DOUGLAS J

Non-Executive Director
13,500 -100.0%
52.13
USD 703,746 		13,500 -100.0% 52.13 USD 703,746
2004-09-28 2004-09-27 S Sale

JOHNSON ANN L

Non-Executive Director
20,000 -100.0%
52.13
USD 1,042,586 		20,000 -100.0% 52.13 USD 1,042,586
2004-10-06 2004-09-24 S Sale

RADMER RICHARD J

4,200 -100.0%
54.81
USD 230,207 		4,200 -100.0% 54.81 USD 230,207
2004-10-06 2004-09-24 S Sale

RADMER RICHARD J

10,000 -100.0%
54.81
USD 548,111 		10,000 -100.0% 54.81 USD 548,111
2004-09-17 2004-09-15 S Sale

FLATT JAMES H

Sr. VP Research & Development

Officer
20,000 -100.0%
55.04
USD 1,100,800 		20,000 -100.0% 55.04 USD 1,100,800
2004-09-17 2004-09-15 S Sale

ROTBERG EUGENE H

Non-Executive Director
2,900 -58.0%
55.28
USD 160,312 		2,900 -58.0% 55.28 USD 160,312
2004-01-21 2004-01-16 S Sale

LINSERT HENRY JR

Chief Executive Officer

Officer
146,700 -100.0%
65.86
USD 9,661,075 		146,700 -100.0% 65.86 USD 9,661,075
2004-01-21 2004-01-16 S Sale

FISHER THOMAS C

Senior VP Operations

Officer
99,800 -100.0%
65.86
USD 6,572,429 		99,800 -100.0% 65.86 USD 6,572,429
2004-01-21 2004-01-15 S Sale

LINSERT HENRY JR

Chief Executive Officer

Officer
150,000 -43.4%
65.76
USD 9,864,525 		150,000 -43.4% 65.76 USD 9,864,525
2004-01-13 2004-01-12 S Sale

LINSERT HENRY JR

Chief Executive Officer

Officer
22,700 -10.4%
66.22
USD 1,503,264 		22,700 -10.4% 66.22 USD 1,503,264
2004-01-13 2004-01-09 S Sale

MAHAR JOHN H

Non-Executive Director
2,500 -100.0%
63.08
USD 157,697 		2,500 -100.0% 63.08 USD 157,697
2004-01-12 2004-01-08 S Sale

BLAKE JULES PHD

Non-Executive Director
10,000 -77.2%
63.84
USD 638,350 		10,000 -77.2% 63.84 USD 638,350
2004-01-12 2004-01-08 S Sale

MACMASTER JR DOUGLAS J

Non-Executive Director
2,500 -30.2%
64.09
USD 160,231 		2,500 -30.2% 64.09 USD 160,231
2004-01-12 2004-01-08 S Sale

MACMASTER JR DOUGLAS J

Non-Executive Director
2,500 -100.0%
64.09
USD 160,231 		2,500 -100.0% 64.09 USD 160,231
2004-01-12 2004-01-08 S Sale

KELLER JEROME C

Senior VP Sale & Marketing

Officer
30,000 -90.9%
63.92
USD 1,917,684 		30,000 -90.9% 63.92 USD 1,917,684
2004-01-09 2004-01-07 S Sale

FISHER THOMAS C

Senior VP Operations

Officer
30,000 -35.9%
64.31
USD 1,929,411 		30,000 -35.9% 64.31 USD 1,929,411
2004-01-07 2004-01-05 S Sale

LINSERT HENRY JR

Chief Executive Officer

Officer
3,400 -1.5%
66.06
USD 224,604 		3,400 -1.5% 66.06 USD 224,604
2004-01-06 2004-01-02 S Sale

LINSERT HENRY JR

Chief Executive Officer

Officer
3,900 -1.7%
66.06
USD 257,634 		3,900 -1.7% 66.06 USD 257,634
// ... existing code ... // ... rest of the file ...