Richard K. Prins, Director of Amphastar Pharmaceuticals AMPH, has filed 0 purchases and 10 sales on the open market. Over the past 12 months that comes to a net sale of $113.3K. The latest trade was on 06/01.

RP

RP

Richard K. Prins

Director

Company

Amphastar Pharmaceuticals AMPH

First filing

23/05/16

Trades

65 trades

Buys / sales

0 / 10

12-month net buying

−$113.3K

Last trade

06/01

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Trading activity

6 months1 year2 years5 yearsAll

Transactions

Company	Trade type	Traded	Filed	Shares	Price	Value	Holding change
Amphastar PharmaceuticalsAMPH	Open-market sale	25/11/25	25/11/25	4,179 sh	$27.10	$113,250.9	−10.6%
Amphastar PharmaceuticalsAMPH	Open-market sale	24/12/09	24/12/11	10,000 sh	$43.77	$437,700	−24.7%
Amphastar PharmaceuticalsAMPH	Open-market sale	24/11/12	24/11/13	5,000 sh	$48.80	$244,000	−13.7%
Amphastar PharmaceuticalsAMPH	Open-market sale	24/08/12	24/08/13	17,101 sh	$43.07	$736,540.07	−33.5%
Amphastar PharmaceuticalsAMPH	Open-market sale	23/11/17	23/11/20	4,000 sh	$55.86	$223,440	−11.1%
Amphastar PharmaceuticalsAMPH	Open-market sale	23/11/13	23/11/15	5,000 sh	$52.50	$262,500	−12.2%
Amphastar PharmaceuticalsAMPH	Open-market sale	23/08/18	23/08/21	2,000 sh	$52.50	$105,000	−4.7%
Amphastar PharmaceuticalsAMPH	Open-market sale	23/08/15	23/08/16	4,163 sh	$57.39	$238,914.57	−8.8%
Amphastar PharmaceuticalsAMPH	Open-market sale	23/05/12–23/05/15	23/05/16	10,000 sh2 trades	$42.78avg.	$427,800	−18.4%