Jack Y. Zhang Insider Trading Transactions

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of Jack Y. Zhang. Jack Y. Zhang is CEO & Chief Science Officer in Amphastar Pharmaceuticals, Inc. ($AMPH) and CEO & Chief Scientific Officer in Amphastar Pharmaceuticals, Inc. ($AMPH).

Latest Insider Trading Transactions of Jack Y. Zhang

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DateTickerCompanyOwnerRelationship Transaction Code Cost ($) Shares Transaction Value ($) Total Shares % Holdings
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...BuyM12.9742,223547,632703,889661.7 K to 703.9 K (+6.38 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF16.471,26620,850661,666662.9 K to 661.7 K (-0.19 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...SellS16.4711,664192,093662,932674.6 K to 662.9 K (-1.73 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...BuyM12.9712,930167,702674,596661.7 K to 674.6 K (+1.95 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF16.371,20819,777661,666662.9 K to 661.7 K (-0.18 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...SellS16.3711,411186,820662,874674.3 K to 662.9 K (-1.69 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...BuyM12.9712,619163,668674,285661.7 K to 674.3 K (+1.91 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF16.232,63342,744661,666664.3 K to 661.7 K (-0.40 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF16.613,05250,690664,299667.4 K to 664.3 K (-0.46 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF16.476,173101,643667,351673.5 K to 667.4 K (-0.92 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF16.157,635123,295911,636919.3 K to 911.6 K (-0.83 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...SellS16.1575,6181,221,132919,271994.9 K to 919.3 K (-7.60 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...BuyM12.9783,2531,079,791994,889911.6 K to 994.9 K (+9.13 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF16.471,26020,751911,636912.9 K to 911.6 K (-0.14 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...SellS16.4711,600191,045912,896924.5 K to 912.9 K (-1.25 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...BuyM12.9712,860166,794924,496911.6 K to 924.5 K (+1.41 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF16.381,24420,376911,636912.9 K to 911.6 K (-0.14 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...SellS16.3811,731192,144912,880924.6 K to 912.9 K (-1.27 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...BuyM12.9712,975168,286924,611911.6 K to 924.6 K (+1.42 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF16.242,62442,602911,636914.3 K to 911.6 K (-0.29 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF16.613,04650,606914,260917.3 K to 914.3 K (-0.33 %)
Jun 12 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF16.464,83179,539917,306922.1 K to 917.3 K (-0.52 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Option ExerciseM12.9728,433368,77676,253
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Option ExerciseM12.9730,152391,071104,686
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Option ExerciseM12.9750,162650,601134,838
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Option ExerciseM12.9728,324367,362167,630
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Option ExerciseM12.9730,066389,956195,954
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Option ExerciseM12.9748,980635,271226,020
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...SellS16.1225,800415,971673,524699.3 K to 673.5 K (-3.69 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...BuyM12.9728,433368,776699,324670.9 K to 699.3 K (+4.24 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...SellS16.6127,100450,096670,891698 K to 670.9 K (-3.88 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...BuyM12.9730,152391,071697,991667.8 K to 698 K (+4.51 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...SellS16.4743,989724,310667,839711.8 K to 667.8 K (-6.18 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...BuyM12.9750,162650,601711,828661.7 K to 711.8 K (+7.58 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF15.438,641133,331661,666670.3 K to 661.7 K (-1.29 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...SellS16.2425,700417,255922,137947.8 K to 922.1 K (-2.71 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...BuyM12.9728,324367,362947,837919.5 K to 947.8 K (+3.08 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...SellS16.6127,020448,910919,513946.5 K to 919.5 K (-2.85 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...BuyM12.9730,066389,956946,533916.5 K to 946.5 K (+3.28 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...SellS16.4644,149726,878916,467960.6 K to 916.5 K (-4.60 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...BuyM12.9748,980635,271960,616911.6 K to 960.6 K (+5.37 %)
Jun 09 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Payment of ExerciseF15.4320,877322,132911,636932.5 K to 911.6 K (-2.24 %)
Mar 30 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Option ExerciseA14.95327,6474,898,323327,647
Mar 30 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...Option ExerciseA14.95767,91211,480,284767,912
Mar 30 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...GrantA0.0053,5110670,307616.8 K to 670.3 K (+8.68 %)
Mar 30 2015AMPHAmphastar Pharmace ...Zhang Jack Y.CEO & Chief Science ...GrantA0.00125,4180932,513807.1 K to 932.5 K (+15.54 %)

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