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MARTEK BIOSCIENCES CORP·4

Sep 28, 4:46 PM ET

JOHNSON ANN L 4

4 · MARTEK BIOSCIENCES CORP · Filed Sep 28, 2004

Insider Transaction Report

Form 4

Period: 2004-09-27

MARTEK BIOSCIENCES CORPMATK

Director

Transactions

Exercise/Conversion
common stock
2004-09-27$19.00/sh+5,000$95,000→ 0 total
Exercise/Conversion
common stock
2004-09-27$14.44/sh+5,000$72,185→ 0 total
Exercise/Conversion
common stock
2004-09-27$6.25/sh+10,000$62,500→ 0 total
Sale
common stock
2004-09-27$52.13/sh−20,000$1,042,586→ 0 total
Exercise/Conversion
stock option
2004-09-27$19.00/sh−5,000$95,000→ 0 total
Exercise: $19.00From: 1997-09-14Exp: 2007-03-14→ common stock (5,000 underlying)
Exercise/Conversion
stock option
2004-09-27$14.44/sh−5,000$72,185→ 0 total
Exercise: $14.44From: 1998-09-05Exp: 2008-03-05→ common stock (5,000 underlying)
Exercise/Conversion
stock option
2004-09-27$6.25/sh−10,000$62,500→ 0 total
Exercise: $6.25From: 1999-09-11Exp: 2009-03-11→ common stock (10,000 underlying)

Signature

/s/ George P. Barker By: George P. Barker Attorney-in-fact Ann L. Johnson|2004-09-28

Documents

1 file

4
doc4.xmlPrimary
FORM 4 SUBMISSION