Richard Koo Insider Trading $AMPH Amphastar Pharmaceuticals, Inc.

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of Richard Koo. Richard Koo is Director in Amphastar Pharmaceuticals, Inc. ($AMPH).

Richard Koo in Amphastar Pharmaceuticals, Inc.

Trading Symbol: AMPH
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Richard Koo: Director
Holdings: 259,289 shares
Current Value: $4,099,359
Latest Transaction: Jun 08 2021
$AMPH Market Capitalization: $764.90M
$AMPH Previous Close: $15.81

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

Latest Insider Trading Transactions of Richard Koo in Amphastar Pharmaceuticals, Inc.

	1 Week	2 Weeks	1 Month	3 Months	6 Months	1 Year	2 Years
No. of Purchases	0	0	0	0	0	0	0
Value of Purchases ($)	0	0	0	0	0	0	0
No. of Sales	0	0	0	0	0	0	0
Value of Sales ($)	0	0	0	0	0	0	0

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Jun 08 2021	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Option Exercise	A	19.52	17,182	335,393	17,182
Jun 08 2021	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Grant	A	0.00	6,019	0	259,289	253.3 K to 259.3 K (+2.38 %)
Jun 09 2020	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Option Exercise	A	20.08	16,004	321,360	16,004
Jun 09 2020	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Grant	A	0.00	5,851	0	253,270	247.4 K to 253.3 K (+2.36 %)
May 28 2020	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Option Exercise	M	15.11	47,782	721,986	0
May 28 2020	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Sell	S	18.18	47,782	868,892	247,419	295.2 K to 247.4 K (-16.19 %)
May 28 2020	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Buy	M	15.11	47,782	721,986	295,201	247.4 K to 295.2 K (+19.31 %)
Jun 13 2019	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Option Exercise	A	20.03	13,915	278,717	13,915
Jun 13 2019	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Grant	A	0.00	5,491	0	247,419	241.9 K to 247.4 K (+2.27 %)
Dec 12 2018	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Option Exercise	M	14.66	29,278	429,215	0
Dec 12 2018	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Sell	S	21.32	29,278	624,075	241,928	271.2 K to 241.9 K (-10.80 %)
Dec 12 2018	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Buy	M	14.66	29,278	429,215	271,206	241.9 K to 271.2 K (+12.10 %)
Jun 11 2018	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Option Exercise	A	16.69	16,679	278,373	16,679
Jun 11 2018	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Grant	A	0.00	6,590	0	241,928	235.3 K to 241.9 K (+2.80 %)
Jun 12 2017	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Option Exercise	A	17.11	20,291	347,179	20,291
Jun 12 2017	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Grant	A	0.00	5,844	0	235,338	229.5 K to 235.3 K (+2.55 %)
Jun 13 2016	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Option Exercise	A	16.43	25,827	424,338	25,827
Jun 13 2016	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Grant	A	0.00	6,086	0	229,494	223.4 K to 229.5 K (+2.72 %)
May 29 2015	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Option Exercise	A	15.11	47,782	721,986	47,782
May 29 2015	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Grant	A	0.00	8,686	0	223,408	214.7 K to 223.4 K (+4.05 %)
Aug 19 2014	AMPH	Amphastar Pharmace ...	Koo Richard	Director	Buy	P	10.08	4,900	49,392	214,722	209.8 K to 214.7 K (+2.34 %)

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