Amphastar Pharmaceuticals, Inc. — Director's Dealing 2015

Dec 4, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2015-12-01

Reporting Person: Applied Physics & Chemistry Laboratories, Inc. (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-12-01	Common Stock	S	20000	$15.489	Disposed	7611594	Direct
2015-12-03	Common Stock	S	18583	$15.4152	Disposed	7593011	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 4, 2015.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.23 to $15.665, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.05 to $15.80, inclusive.