Amphastar Pharmaceuticals, Inc. — Director's Dealing 2022

Mar 9, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2022-03-07

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-03-07	Common Stock	M	13026	$13.35	Acquired	119068	Direct
2022-03-07	Common Stock	S	13026	$29.35	Disposed	106042	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-03-07	Employee Stock Option (right to buy)	$13.35	M	13026	Disposed	2027-03-16	Common Stock (13026)	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.