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ZHANG JACK Y
- As of  04/29/24, 07:52:02 PM:   6 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
S 2020-02-14 06:03:17.0 Amphastar Pharmaceuticals AMPH 26.2% view
B 2019-02-13 16:05:36.0 Amphastar Pharmaceuticals AMPH 27.3% view
B 2018-02-09 16:15:46.0 Amphastar Pharmaceuticals AMPH 26.7% view
B 2017-02-10 18:29:02.0 Amphastar Pharmaceuticals AMPH 25.9% view
S 2016-02-16 06:11:06.0 Amphastar Pharmaceuticals AMPH 24.6% view
B 2015-02-12 17:16:13.0 Amphastar Pharmaceuticals AMPH 24.91% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.
** Since most institutions are long investors, only returns for long transactions are shown here.