Amphastar Pharmaceuticals, Inc. — Director's Dealing 2020

Jul 8, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2020-07-06

Reporting Person: PETERS WILLIAM J (CFO, SVP & Treasurer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-07-06	Common Stock	M	10000	$11.33	Acquired	114820	Direct
2020-07-06	Common Stock	S	13656	$21.9980	Disposed	101164	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-07-06	Employee Stock Option (right to buy)	$11.33	M	10000	Disposed	2026-03-17	Common Stock (10000)	Direct

Footnotes

F1: Includes 782 shares acquired under the Issuer's 2014 Employee Stock Purchase Plan on May 31, 2020.

F2: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 5, 2020.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.80 to $22.19, 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.

F4: Shares subject to the option are fully vested and immediately exercisable.