Amphastar Pharmaceuticals, Inc. — Director's Dealing 2020

May 14, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2020-05-12

Reporting Person: ZASLOFF MICHAEL A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-12	Common Stock	M	10000	$15.11	Acquired	45336	Direct
2020-05-12	Common Stock	S	10000	$19.00	Disposed	35336	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-12	Stock Option (right to buy)	$15.11	M	10000	Disposed	2020-05-27	Common Stock (10000)	Direct

Footnotes

F1: Shares subject to the option are fully vested and immediately exercisable.