Amphastar Pharmaceuticals, Inc. - Director's Dealing 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2023-04-13

Reporting Person: Liawatidewi Yakob (Director, EVP Corp Admin Center)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-04-13	Common Stock	M	11494	$20.23	Acquired	80709	Direct
2023-04-13	Common Stock	S	5000	$41.00	Disposed	75709	Direct
2023-04-13	Common Stock	S	6494	$42.00	Disposed	69215	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-04-13	Employee Stock Option (right to buy)	$20.23	M	11494	Disposed	2029-03-15	Common Stock (11494)	Direct

Security	Shares	Ownership
Common Stock	2459	Indirect

F1: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 5, 2022.

F2: The reported shares are held of record by the Yakob and Sunmoon Trust dated July 25, 2013 for which the reporting person serves as a trustee.

F3: Shares subject to the option vest in four equal annual installments beginning on March 15, 2020.