Amphastar Pharmaceuticals, Inc. — Director's Dealing 2023

Mar 18, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2023-03-15

Reporting Person: Zhou Rong (EVP, Production Center)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-03-15	Common Stock	F	2057	$36.84	Disposed	91782	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	99668	Indirect
Common Stock	5000	Indirect

Footnotes

F1: The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.

F2: The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee.

F3: The shares are held of record by the reporting person's spouse.