Amphastar Pharmaceuticals, Inc. — Director's Dealing 2015

Apr 11, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2015-04-09

Reporting Person: Gerst Diane G. (Corp. SVP of Quality Assurance)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-04-08	Common Stock	M	10000	$14.80	Acquired	29496	Direct
2015-04-08	Common Stock	S	10000	$15.79	Disposed	19496	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-04-09	Employee Stock Option (right to buy)	$14.80	A	10000	Disposed	2025-05-15	Common Stock (10000)	Direct

Footnotes

F1: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 4, 2014.

F2: Shares subject to the option are fully vested and immediately exercisable.