BARKER GEORGE P 4
4 · MARTEK BIOSCIENCES CORP · Filed Sep 15, 2003
Insider Transaction Report
Form 4
BARKER GEORGE P
Senior Vice President, Counsel
Transactions
- Sale
Common Stock
2003-09-12$51.15/sh−11,238$574,803→ 0 total - Exercise/Conversion
Stock Options
2003-09-11$14.56/sh−25,000$364,063→ 0 totalExercise: $14.56From: 2001-09-16Exp: 2011-03-16→ Common Stock (25,000 underlying) - Sale
Common Stock
2003-09-15$50.78/sh−8,143$413,466→ 1,179 total - Exercise/Conversion
Common Stock
2003-09-11$14.56/sh+25,000$364,063→ 0 total - Sale
Common Stock
2003-09-11$51.81/sh−5,619$291,138→ 0 total