Amphastar Pharmaceuticals, Inc. — Director's Dealing 2015

Jun 18, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2015-04-14

Reporting Person: Gerst Diane G. (EVP, QA & Regulatory Affairs)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-04-14	Common Stock	F	862	$15.22	Disposed	18634	Direct
2015-06-15	Common Stock	A	1544	$0.00	Acquired	20178	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-06-15	Employee Stock Option (right to buy)	$16.19	A	4685	Acquired	2025-06-15	Common Stock (4685)	Direct

Footnotes

F1: The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of deferred stock units, or DSUs.

F2: The reported shares are represented by DSUs which vest in four equal annual installments beginning on June 15, 2016.

F3: Shares subject to the option vest in four equal annual installments beginning on June 15, 2016.