RICHARD K PRINS Insider Trading for May 2015

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General | Insider Transactions | Monthly Overview

Overview of insider trading of RICHARD K PRINS for May 2015.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
May 29 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Option Exercise	A	15.11	47,782	721,986	47,782
May 29 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Grant	A	0.00	8,686	0	42,722	34 K to 42.7 K (+25.52 %)
May 29 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Gift	G	0.00	2,015	0	34,036	36.1 K to 34 K (-5.59 %)
May 22 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Option Exercise	M	10.77	1,942	20,915	47,500
May 22 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Option Exercise	M	10.77	1,664	17,921	49,442
May 22 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Option Exercise	M	11.68	11,901	139,004	0
May 22 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Option Exercise	M	11.68	13,945	162,878	11,901
May 22 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Sell	S	14.76	1,942	28,654	36,051	38 K to 36.1 K (-5.11 %)
May 22 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Buy	M	10.77	1,942	20,915	37,993	36.1 K to 38 K (+5.39 %)
May 22 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Sell	S	14.76	13,565	200,179	36,051	49.6 K to 36.1 K (-27.34 %)
May 22 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Sell	M	10.77	1,664	17,921	49,616	51.3 K to 49.6 K (-3.24 %)
May 22 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Buy	M	11.68	11,901	139,004	47,952	36.1 K to 48 K (+33.01 %)
May 22 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Sell	S	14.79	13,945	206,252	36,051	50 K to 36.1 K (-27.89 %)
May 22 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Buy	M	11.68	13,945	162,878	49,996	36.1 K to 50 K (+38.68 %)
May 20 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Option Exercise	M	11.68	3,000	35,040	25,846
May 20 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Sell	S	14.94	3,000	44,825	36,051	39.1 K to 36.1 K (-7.68 %)
May 20 2015	AMPH	Amphastar Pharmace ...	PRINS RICHARD K	Director	Buy	M	11.68	3,000	35,040	39,051	36.1 K to 39.1 K (+8.32 %)