Amphastar Pharmaceuticals, Inc. — Director's Dealing 2021

Nov 13, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2021-11-11

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-11	Common Stock	M	10000	$11.33	Acquired	115689	Direct
2021-11-11	Common Stock	S	10000	$21.33	Disposed	105689	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-11	Employee Stock Option (right to buy)	$11.33	M	10000	Disposed	2026-03-17	Common Stock (10000)	Direct

Footnotes

F1: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 7, 2021.

F2: Shares subject to the option are fully vested and immediately exercisable.