ROBERT H MAYER Insider Trading

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of ROBERT H MAYER. ROBERT H MAYER is a Director in MARTEK BIOSCIENCES CORP ($MATK).

Address: 6480 DOBBIN ROAD COLUMBIA 21045 MD

Companies in which ROBERT H MAYER is an Insider

MARTEK BIOSCIENCES CORP

Trading Symbol: MATK
Industry: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
Position of ROBERT H MAYER: Director
Holdings: 0 shares
Latest Transaction: Mar 01 2011

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD View transactions

Latest Insider Trading Transactions of ROBERT H MAYER

DateTickerCompanyOwnerRelationship Transaction Code Cost ($) Shares Transaction Value ($) Total Shares % Holdings
Mar 01 2011MATKMARTEK BIOSCIENCES ...MAYER ROBERT HDirectorOption ExerciseM0.002,53300
Mar 01 2011MATKMARTEK BIOSCIENCES ...MAYER ROBERT HDirectorSellD31.506,048190,51206 K to 0 (-100.00 %)
Mar 01 2011MATKMARTEK BIOSCIENCES ...MAYER ROBERT HDirectorGrantA0.006,04806,0480 to 6 K
Feb 25 2011MATKMARTEK BIOSCIENCES ...MAYER ROBERT HDirectorSellU31.503,847121,18103.8 K to 0 (-100.00 %)
Mar 22 2010MATKMARTEK BIOSCIENCES ...MAYER ROBERT HDirectorOption ExerciseA0.002,53302,533
Mar 23 2009MATKMARTEK BIOSCIENCES ...MAYER ROBERT HDirectorOption ExerciseA0.003,51503,515
Mar 16 2009MATKMARTEK BIOSCIENCES ...MAYER ROBERT HDirectorOption ExerciseM0.002,03400

View all ROBERT H MAYER insider transactions.