Insider · CIK 0001338247

Nitze Peter A

Reports to the SEC for 1 company · COLUMBIA, MD

sec.gov

Transactions

Companies

Filings

CIK

0001338247

Forms 4 and 5

Insider transactions

21 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2011-02-25	MARTEK BIOSCIENCES CORPA Award	Chief Operating Officer&ExecVP	AAward	+40.5K sh	—	—	40,468
2011-02-25	MARTEK BIOSCIENCES CORPD Disposition to Issuer	Chief Operating Officer&ExecVP	DDisposition to Issuer	−40.5K sh	$31.50	−$1.27M	0
2011-02-25	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Chief Operating Officer&ExecVP	MExercise/Conversion	−5,576 sh	—	—	0
2011-02-25	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Chief Operating Officer&ExecVP	MExercise/Conversion	−6,024 sh	—	—	0
2011-02-25	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Chief Operating Officer&ExecVP	MExercise/Conversion	−10K sh	—	—	0
2011-02-25	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Chief Operating Officer&ExecVP	MExercise/Conversion	−18.8K sh	—	—	0
2011-02-22	MARTEK BIOSCIENCES CORPU Disposition from Tender	Chief Operating Officer&ExecVP	UDisposition from Tender	−1,000 sh	$31.50	−$31.5K	0
2011-02-18	MARTEK BIOSCIENCES CORPU Disposition from Tender	Chief Operating Officer&ExecVP	UDisposition from Tender	−10.1K sh	$31.50	−$317K	1,000
2010-03-19	MARTEK BIOSCIENCES CORPM Exercise/Conversion	Chief Operating Officer&ExecVP	MExercise/Conversion	+7,305 sh	—	—	13,426
2010-03-19	MARTEK BIOSCIENCES CORPF Tax Payment	Chief Operating Officer&ExecVP	FTax Payment	−2,372 sh	$23.88	−$56.6K	11,054
2010-03-19	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Chief Operating Officer&ExecVP	MExercise/Conversion	−2,509 sh	—	—	10,037
2010-01-14	MARTEK BIOSCIENCES CORPRestricted Stock UnitsA Award	Chief Operating Officer&ExecVP	AAward	+18.8K sh	—	—	18,831
2010-01-14	MARTEK BIOSCIENCES CORPRestricted Stock UnitsA Award	Chief Operating Officer&ExecVP	AAward	+18.6K sh	—	—	18,602
2009-03-19	MARTEK BIOSCIENCES CORPM Exercise/Conversion	Chief Operating Officer&ExecVP	MExercise/Conversion	+4,795 sh	—	—	7,678
2009-03-19	MARTEK BIOSCIENCES CORPF Tax Payment	Chief Operating Officer&ExecVP	FTax Payment	−1,557 sh	$17.07	−$26.6K	6,121
2009-03-19	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Chief Operating Officer&ExecVP	MExercise/Conversion	−2,788 sh	—	—	8,364
2009-03-19	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Chief Operating Officer&ExecVP	MExercise/Conversion	−2,007 sh	—	—	8,032
2009-03-19	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Chief Operating Officer&ExecVP	MExercise/Conversion	−2,788 sh	—	—	5,576
2009-03-19	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Chief Operating Officer&ExecVP	MExercise/Conversion	−2,008 sh	—	—	6,024
2009-01-15	MARTEK BIOSCIENCES CORPRestricted Stock UnitsA Award	Chief Operating Officer&ExecVP	AAward	+12.5K sh	—	—	12,546
2008-01-17	MARTEK BIOSCIENCES CORPRestricted Stock UnitsA Award	Chief Operating Officer&ExecVP	AAward	+10K sh	—	—	10,039

Recent filings

Accepted (ET)
Mar 14
Nitze Peter A0001209191-11-014040
SEC(opens sec.gov)
Feb 254
Nitze Peter A0001209191-11-012686
SEC(opens sec.gov)
Mar 234
Nitze Peter A0001209191-10-018366
SEC(opens sec.gov)
Jan 274/A
Nitze Peter A0001209191-10-005063
SEC(opens sec.gov)
Jan 194
Nitze Peter A0001209191-10-003520
SEC(opens sec.gov)
Mar 234
Nitze Peter A0001209191-09-017918
SEC(opens sec.gov)
Jan 204
MARTEK BIOSCIENCES CORP0001209191-09-003671
SEC(opens sec.gov)

Companies

MARTEK BIOSCIENCES CORPChief Operating Officer&ExecVP

Address

6480 DOBBIN ROAD

COLUMBIA, MD, 21045