Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Q4 2022 Earnings Conference Call February 28, 2023 5:00 PM ET Company Participants Bill Peters - Chief Financial Officer, Treasurer, Executive Vice President of Finance, and President of IMS Ltd., and Director Dan Dischner - VP of Human Resources and Corporate Communication Tony Marrs - Sr. VP of Regulatory Affairs and Sr. VP of Clinical Operations Conference Call Participants Timothy Chiang - Capital One David Amsellem - Piper Sandler Operator Greetings, and we ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ____ to _____ Commission File Number 001-36509 AMPHASTAR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) | --- | |-------| | | | | | | | | | | | ...

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Q3 2022 Results Conference Call November 7, 2022 5:00 PM ET Company Participants Dan Dischner - Vice President, Corporate Communications Bill Peters - Chief Financial Officer Dan Dischner - Vice President of Corporate Communications Tony Marrs - Senior Vice President of Regulatory Affairs and Clinical Operations Conference Call Participants David Amsellem - Piper Sandler Serge Belanger - Needham & Company Elliot Wilbur - Raymond James Operator Greetings, and wel ...

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Q2 2022 Results Earnings Conference Call August 8, 2022 5:00 PM ET Company Participants Dan Dischner - Vice President, Corporate Communications Bill Peters - Chief Financial Officer, Treasurer, Executive Vice President of Finance, and President of International Medication Systems, Ltd. Tony Marrs - Senior Vice President, Regulatory Affairs Conference Call Participants Tim Chiang - Capital One Elliot Wilbur - Raymond James Serge Belanger - Needham & Company, LLC ...

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Q1 2022 Earnings Conference Call May 9, 2022 5:00 PM ET Company Participants Dan Dischner - VP, Corporate Communications Bill Peters - CFO Conference Call Participants Elliot Wilbur - Raymond James David Amsellem - Piper Sandler Tim Chiang - Northland Securities Operator Greetings, and welcome to the Amphastar Pharmaceuticals Incorporated First Quarter Earnings Call. At this time, all participants are in a listen-only mode. A question-and-answer session will fol ...