United States Food & Tobacco

Martek Biosciences Corp (MATK)

Track

Ticker: MATK Exchange: NSQ
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
No insider activity signals detected

Insider trades have not triggered unusual activity signals for this company.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Royal DSM N.V. Large shareholder
Transaction date
Purchase
Price
23.14
Quantity 53,780 +1.7%
Value US$864,229
Royal DSM N.V. Large shareholder
Transaction date
Purchase
Price
230.03
Quantity 61,572 -42.0%
Value US$1,655,346
Royal DSM N.V. Large shareholder
Transaction date
Purchase
Price
258.38
Quantity 86,356 +32.1%
Value US$1,065,759
Royal DSM N.V. Large shareholder
Transaction date
Purchase
Price
31.50
Quantity 32 +0.0%
Value US$1,008
DUBIN STEVE Chief Executive Officer Executive Director
Transaction date
Purchase
Price
20.96
Quantity 2,000 +6.6%
Value US$41,926
MACMASTER JR DOUGLAS J Non-Executive Director
Transaction date
Sale
Price
23.80
Quantity 4,907 -22.2%
Value US$116,787
MACMASTER JR DOUGLAS J Non-Executive Director
Transaction date
Sale
Price
33.61
Quantity 8,000 -28.5%
Value US$268,853
BEERY JAMES Non-Executive Director
Transaction date
Sale
Price
28.74
Quantity 412 -100.0%
Value US$11,841
BEERY JAMES Non-Executive Director
Transaction date
Sale
Price
28.73
Quantity 88 -17.6%
Value US$2,528
BUZY PETER L CFO, Treasurer and Exec VP Officer
Transaction date
Sale
Price
28.12
Quantity 40,000 -80.0%
Value US$1,124,900
DUBIN STEVE Chief Executive Officer Executive Director
Transaction date
Purchase
Price
28.15
Quantity 1,000 +6.0%
Value US$28,150
ABRAMSON DAVID M President Officer
Transaction date
Purchase
Price
21.58
Quantity 1,000 +400.0%
Value US$21,580
BUZY PETER L CFO, Treasurer and Exec VP Officer
Transaction date
Purchase
Price
21.22
Quantity 3,864 +inf%
Value US$82,000
Nitze Peter A Chief Operating Officer&ExecVP Officer
Transaction date
Purchase
Price
21.15
Quantity 1,000 +inf%
Value US$21,150
DUBIN STEVE Chief Executive Officer Executive Director
Transaction date
Purchase
Price
20.28
Quantity 2,500 +17.6%
Value US$50,698
FLANAGAN ROBERT J Non-Executive Director
Transaction date
Purchase
Price
21.48
Quantity 2,500 +33.3%
Value US$53,700
DUBIN STEVE President & CEO Executive Director
Transaction date
Purchase
Price
20.69
Quantity 4,000 +39.2%
Value US$82,764
FLANAGAN ROBERT J Non-Executive Director
Transaction date
Purchase
Price
20.84
Quantity 2,500 +50.0%
Value US$52,100
MAHAR JOHN H Non-Executive Director
Transaction date
Sale
Price
28.68
Quantity 5,000 -100.0%
Value US$143,403
MAHAR JOHN H Non-Executive Director
Transaction date
Sale
Price
33.59
Quantity 3,500 -100.0%
Value US$117,567
KAWALEK POLLY B Non-Executive Director
Transaction date
Purchase
Price
27.82
Quantity 232 +30.2%
Value US$6,454
KAWALEK POLLY B Non-Executive Director
Transaction date
Purchase
Price
27.80
Quantity 768 +inf%
Value US$21,350
PANEM SANDRA PHD Non-Executive Director
Transaction date
Sale
Price
42.30
Quantity 30,000 -55.3%
Value US$1,268,973
KELLER JEROME C Sr VP Sales & Marketing Officer
Transaction date
Sale
Price
43.02
Quantity 72,000 -96.0%
Value US$3,097,310
KELLER JEROME C Sr VP Sales & Marketing Officer
Transaction date
Sale
Price
44.40
Quantity 158,000 -98.1%
Value US$7,014,884
RADMER RICHARD J Non-Executive Director
Transaction date
Sale
Price
44.93
Quantity 20,000 -57.1%
Value US$898,610
PANEM SANDRA PHD Non-Executive Director
Transaction date
Sale
Price
36.84
Quantity 2,601 -8.9%
Value US$95,816
ROTBERG EUGENE H Non-Executive Director
Transaction date
Sale
Price
60.82
Quantity 15,000 -26.4%
Value US$912,250
BLAKE JULES PHD Non-Executive Director
Transaction date
Sale
Price
63.70
Quantity 35,000 -92.2%
Value US$2,229,556
MACKLIN GORDON S Non-Executive Director
Transaction date
Purchase
Price
49.10
Quantity 9,200 +11.3%
Value US$451,720
PANEM SANDRA PHD Non-Executive Director
Transaction date
Purchase
Price
51.62
Quantity 36,188 +25.5%
Value US$1,867,956
FLANAGAN ROBERT J Non-Executive Director
Transaction date
Purchase
Price
49.62
Quantity 2,000 +inf%
Value US$99,240
ABRAMSON DAVID M SVP of Business Development Officer
Transaction date
Purchase
Price
49.44
Quantity 150 +inf%
Value US$7,416
ABRAMSON DAVID M SVP of Business Development Officer
Transaction date
Purchase
Price
49.43
Quantity 100 +inf%
Value US$4,943
BARKER GEORGE P Senior Vice President, Counsel
Transaction date
Sale
Price
48.63
Quantity 25,000 -100.0%
Value US$1,215,682
MACMASTER JR DOUGLAS J Non-Executive Director
Transaction date
Sale
Price
52.13
Quantity 13,500 -100.0%
Value US$703,746
JOHNSON ANN L Non-Executive Director
Transaction date
Sale
Price
52.13
Quantity 20,000 -100.0%
Value US$1,042,586
RADMER RICHARD J
Transaction date
Sale
Price
54.81
Quantity 4,200 -100.0%
Value US$230,207
RADMER RICHARD J
Transaction date
Sale
Price
54.81
Quantity 10,000 -100.0%
Value US$548,111
FLATT JAMES H Sr. VP Research & Development Officer
Transaction date
Sale
Price
55.04
Quantity 20,000 -100.0%
Value US$1,100,800
ROTBERG EUGENE H Non-Executive Director
Transaction date
Sale
Price
55.28
Quantity 2,900 -58.0%
Value US$160,312
LINSERT HENRY JR Chief Executive Officer Officer
Transaction date
Sale
Price
65.86
Quantity 146,700 -100.0%
Value US$9,661,075
FISHER THOMAS C Senior VP Operations Officer
Transaction date
Sale
Price
65.86
Quantity 99,800 -100.0%
Value US$6,572,429
LINSERT HENRY JR Chief Executive Officer Officer
Transaction date
Sale
Price
65.76
Quantity 150,000 -43.4%
Value US$9,864,525
LINSERT HENRY JR Chief Executive Officer Officer
Transaction date
Sale
Price
66.22
Quantity 22,700 -10.4%
Value US$1,503,264
MAHAR JOHN H Non-Executive Director
Transaction date
Sale
Price
63.08
Quantity 2,500 -100.0%
Value US$157,697
BLAKE JULES PHD Non-Executive Director
Transaction date
Sale
Price
63.84
Quantity 10,000 -77.2%
Value US$638,350
MACMASTER JR DOUGLAS J Non-Executive Director
Transaction date
Sale
Price
64.09
Quantity 2,500 -30.2%
Value US$160,231
MACMASTER JR DOUGLAS J Non-Executive Director
Transaction date
Sale
Price
64.09
Quantity 2,500 -100.0%
Value US$160,231
KELLER JEROME C Senior VP Sale & Marketing Officer
Transaction date
Sale
Price
63.92
Quantity 30,000 -90.9%
Value US$1,917,684
FISHER THOMAS C Senior VP Operations Officer
Transaction date
Sale
Price
64.31
Quantity 30,000 -35.9%
Value US$1,929,411
LINSERT HENRY JR Chief Executive Officer Officer
Transaction date
Sale
Price
66.06
Quantity 3,400 -1.5%
Value US$224,604
LINSERT HENRY JR Chief Executive Officer Officer
Transaction date
Sale
Price
66.06
Quantity 3,900 -1.7%
Value US$257,634
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
53,780 +1.7%
23.14
US$864,229 		53,780 +1.7% 23.14 US$864,229
2011-02-24 2011-02-23 B Purchase Royal DSM N.V. Large shareholder
61,572 -42.0%
230.03
US$1,655,346 		61,572 -42.0% 230.03 US$1,655,346
2011-03-01 2011-02-22 B Purchase Royal DSM N.V. Large shareholder
86,356 +32.1%
258.38
US$1,065,759 		86,356 +32.1% 258.38 US$1,065,759
2011-02-24 2011-02-22 B Purchase Royal DSM N.V. Large shareholder
32 +0.0%
31.50
US$1,008 		32 +0.0% 31.50 US$1,008
2010-07-07 2010-07-07 B Purchase DUBIN STEVE

Chief Executive Officer

Executive Director
2,000 +6.6%
20.96
US$41,926 		2,000 +6.6% 20.96 US$41,926
2010-01-19 2009-09-23 S Sale MACMASTER JR DOUGLAS J Non-Executive Director
4,907 -22.2%
23.80
US$116,787 		4,907 -22.2% 23.80 US$116,787
2008-06-18 2008-06-18 S Sale MACMASTER JR DOUGLAS J Non-Executive Director
8,000 -28.5%
33.61
US$268,853 		8,000 -28.5% 33.61 US$268,853
2008-01-14 2007-12-21 S Sale BEERY JAMES Non-Executive Director
412 -100.0%
28.74
US$11,841 		412 -100.0% 28.74 US$11,841
2008-01-14 2007-12-21 S Sale BEERY JAMES Non-Executive Director
88 -17.6%
28.73
US$2,528 		88 -17.6% 28.73 US$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
US$1,124,900 		40,000 -80.0% 28.12 US$1,124,900
2007-12-18 2007-12-18 B Purchase DUBIN STEVE

Chief Executive Officer

Executive Director
1,000 +6.0%
28.15
US$28,150 		1,000 +6.0% 28.15 US$28,150
2007-04-05 2007-04-05 B Purchase ABRAMSON DAVID M

President

Officer
1,000 +400.0%
21.58
US$21,580 		1,000 +400.0% 21.58 US$21,580
2007-04-05 2007-04-04 B Purchase BUZY PETER L

CFO, Treasurer and Exec VP

Officer
3,864 +inf%
21.22
US$82,000 		3,864 +inf% 21.22 US$82,000
2007-04-04 2007-04-04 B Purchase Nitze Peter A

Chief Operating Officer&ExecVP

Officer
1,000 +inf%
21.15
US$21,150 		1,000 +inf% 21.15 US$21,150
2007-03-30 2007-03-30 B Purchase DUBIN STEVE

Chief Executive Officer

Executive Director
2,500 +17.6%
20.28
US$50,698 		2,500 +17.6% 20.28 US$50,698
2006-09-12 2006-09-12 B Purchase FLANAGAN ROBERT J Non-Executive Director
2,500 +33.3%
21.48
US$53,700 		2,500 +33.3% 21.48 US$53,700
2006-09-11 2006-09-11 B Purchase DUBIN STEVE

President & CEO

Executive Director
4,000 +39.2%
20.69
US$82,764 		4,000 +39.2% 20.69 US$82,764
2006-09-11 2006-09-11 B Purchase FLANAGAN ROBERT J Non-Executive Director
2,500 +50.0%
20.84
US$52,100 		2,500 +50.0% 20.84 US$52,100
2006-06-21 2006-06-21 S Sale MAHAR JOHN H Non-Executive Director
5,000 -100.0%
28.68
US$143,403 		5,000 -100.0% 28.68 US$143,403
2006-03-10 2006-03-09 S Sale MAHAR JOHN H Non-Executive Director
3,500 -100.0%
33.59
US$117,567 		3,500 -100.0% 33.59 US$117,567
2006-02-15 2006-02-03 B Purchase KAWALEK POLLY B Non-Executive Director
232 +30.2%
27.82
US$6,454 		232 +30.2% 27.82 US$6,454
2006-02-15 2006-02-03 B Purchase KAWALEK POLLY B Non-Executive Director
768 +inf%
27.80
US$21,350 		768 +inf% 27.80 US$21,350
2005-09-15 2005-09-14 S Sale PANEM SANDRA PHD Non-Executive Director
30,000 -55.3%
42.30
US$1,268,973 		30,000 -55.3% 42.30 US$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
US$3,097,310 		72,000 -96.0% 43.02 US$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
US$7,014,884 		158,000 -98.1% 44.40 US$7,014,884
2005-09-14 2005-09-12 S Sale RADMER RICHARD J Non-Executive Director
20,000 -57.1%
44.93
US$898,610 		20,000 -57.1% 44.93 US$898,610
2005-06-22 2005-06-21 S Sale PANEM SANDRA PHD Non-Executive Director
2,601 -8.9%
36.84
US$95,816 		2,601 -8.9% 36.84 US$95,816
2005-04-07 2005-04-06 S Sale ROTBERG EUGENE H Non-Executive Director
15,000 -26.4%
60.82
US$912,250 		15,000 -26.4% 60.82 US$912,250
2005-02-10 2005-02-09 S Sale BLAKE JULES PHD Non-Executive Director
35,000 -92.2%
63.70
US$2,229,556 		35,000 -92.2% 63.70 US$2,229,556
2005-01-28 2005-01-26 B Purchase MACKLIN GORDON S Non-Executive Director
9,200 +11.3%
49.10
US$451,720 		9,200 +11.3% 49.10 US$451,720
2005-01-25 2005-01-21 B Purchase PANEM SANDRA PHD Non-Executive Director
36,188 +25.5%
51.62
US$1,867,956 		36,188 +25.5% 51.62 US$1,867,956
2004-12-23 2004-12-23 B Purchase FLANAGAN ROBERT J Non-Executive Director
2,000 +inf%
49.62
US$99,240 		2,000 +inf% 49.62 US$99,240
2004-12-17 2004-12-17 B Purchase ABRAMSON DAVID M

SVP of Business Development

Officer
150 +inf%
49.44
US$7,416 		150 +inf% 49.44 US$7,416
2004-12-17 2004-12-17 B Purchase ABRAMSON DAVID M

SVP of Business Development

Officer
100 +inf%
49.43
US$4,943 		100 +inf% 49.43 US$4,943
2004-10-12 2004-10-08 S Sale BARKER GEORGE P

Senior Vice President, Counsel
25,000 -100.0%
48.63
US$1,215,682 		25,000 -100.0% 48.63 US$1,215,682
2004-09-28 2004-09-27 S Sale MACMASTER JR DOUGLAS J Non-Executive Director
13,500 -100.0%
52.13
US$703,746 		13,500 -100.0% 52.13 US$703,746
2004-09-28 2004-09-27 S Sale JOHNSON ANN L Non-Executive Director
20,000 -100.0%
52.13
US$1,042,586 		20,000 -100.0% 52.13 US$1,042,586
2004-10-06 2004-09-24 S Sale
RADMER RICHARD J
4,200 -100.0%
54.81
US$230,207 		4,200 -100.0% 54.81 US$230,207
2004-10-06 2004-09-24 S Sale
RADMER RICHARD J
10,000 -100.0%
54.81
US$548,111 		10,000 -100.0% 54.81 US$548,111
2004-09-17 2004-09-15 S Sale FLATT JAMES H

Sr. VP Research & Development

Officer
20,000 -100.0%
55.04
US$1,100,800 		20,000 -100.0% 55.04 US$1,100,800
2004-09-17 2004-09-15 S Sale ROTBERG EUGENE H Non-Executive Director
2,900 -58.0%
55.28
US$160,312 		2,900 -58.0% 55.28 US$160,312
2004-01-21 2004-01-16 S Sale LINSERT HENRY JR

Chief Executive Officer

Officer
146,700 -100.0%
65.86
US$9,661,075 		146,700 -100.0% 65.86 US$9,661,075
2004-01-21 2004-01-16 S Sale FISHER THOMAS C

Senior VP Operations

Officer
99,800 -100.0%
65.86
US$6,572,429 		99,800 -100.0% 65.86 US$6,572,429
2004-01-21 2004-01-15 S Sale LINSERT HENRY JR

Chief Executive Officer

Officer
150,000 -43.4%
65.76
US$9,864,525 		150,000 -43.4% 65.76 US$9,864,525
2004-01-13 2004-01-12 S Sale LINSERT HENRY JR

Chief Executive Officer

Officer
22,700 -10.4%
66.22
US$1,503,264 		22,700 -10.4% 66.22 US$1,503,264
2004-01-13 2004-01-09 S Sale MAHAR JOHN H Non-Executive Director
2,500 -100.0%
63.08
US$157,697 		2,500 -100.0% 63.08 US$157,697
2004-01-12 2004-01-08 S Sale BLAKE JULES PHD Non-Executive Director
10,000 -77.2%
63.84
US$638,350 		10,000 -77.2% 63.84 US$638,350
2004-01-12 2004-01-08 S Sale MACMASTER JR DOUGLAS J Non-Executive Director
2,500 -30.2%
64.09
US$160,231 		2,500 -30.2% 64.09 US$160,231
2004-01-12 2004-01-08 S Sale MACMASTER JR DOUGLAS J Non-Executive Director
2,500 -100.0%
64.09
US$160,231 		2,500 -100.0% 64.09 US$160,231
2004-01-12 2004-01-08 S Sale KELLER JEROME C

Senior VP Sale & Marketing

Officer
30,000 -90.9%
63.92
US$1,917,684 		30,000 -90.9% 63.92 US$1,917,684
2004-01-09 2004-01-07 S Sale FISHER THOMAS C

Senior VP Operations

Officer
30,000 -35.9%
64.31
US$1,929,411 		30,000 -35.9% 64.31 US$1,929,411
2004-01-07 2004-01-05 S Sale LINSERT HENRY JR

Chief Executive Officer

Officer
3,400 -1.5%
66.06
US$224,604 		3,400 -1.5% 66.06 US$224,604
2004-01-06 2004-01-02 S Sale LINSERT HENRY JR

Chief Executive Officer

Officer
3,900 -1.7%
66.06
US$257,634 		3,900 -1.7% 66.06 US$257,634
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