Amphastar Pharmaceuticals, Inc. — Director's Dealing 2018

Mar 16, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2018-03-15

Reporting Person: Zhou Rong (EVP, Production Center)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-03-15	Common Stock	A	8969	$0.00	Acquired	57066	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-03-15	Employee Stock Option (right to buy)	$19.79	A	20827	Acquired	2028-03-15	Common Stock (20827)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	99668	Indirect
Common Stock	5000	Indirect

Footnotes

F1: The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on March 15, 2019.

F2: Includes one share acquired under the Issuer's 2014 Employee Stock Purchase Plan on November 30, 2017.

F3: The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee.

F4: The shares are held of record by the reporting person's spouse.

F5: Shares subject to the option vest in four equal annual installments beginning on March 15, 2019.