Amphastar Pharmaceuticals, Inc.

Amphastar Pharmaceuticals, Inc.

AMPH·NASDAQ

$18.12

-1.6%
HealthcareDrug Manufacturers - Specialty & Generic

Amphastar Pharmaceuticals, Inc., a bio-pharmaceutical company, develops, manufactures, markets, and sells generic and proprietary injectable, inhalation, and intranasal products in the United States, China, and France. The company operates through two segments, Finished Pharmaceutical Products and API. It offers Primatene Mist, an over-the-counter epinephrine inhalation product for the temporary relief of mild symptoms of intermittent asthma; Enoxaparin, a low molecular weight heparin to prevent and treat deep vein thrombosis; Naloxone for opioid overdose; Glucagon for injection emergency kit; and Cortrosyn, a lyophilized powder for use as a diagnostic agent in the screening of patients with adrenocortical insufficiency. The company also provides Amphadase, a bovine-sourced hyaluronidase injection to absorb and disperse other injected drugs; Epinephrine injection for the emergency treatment of allergic reactions; lidocaine jelly, an anesthetic product for urological procedures; lidocaine topical solution for various procedures; phytonadione injection, a vitamin K1 injection for newborn babies; emergency syringe products for emergency use in hospital settings; morphine injection for use with patient controlled analgesia pumps; and lorazepam injection for surgery and medical procedures. In addition, it offers neostigmine methylsulfate injection to treat myasthenia gravis and to reverse the effects of muscle relaxants; and Isoproterenol hydrochloride injection for mild or transient episodes of heart block. Further, the company distributes recombinant human insulin active pharmaceutical ingredients (API) and porcine insulin API. It serves hospitals, care facilities, alternate care sites, clinics, and doctors' offices. The company was founded in 1996 and is headquartered in Rancho Cucamonga, California.

At a Glance

Live Snapshot
Market Cap$798.96M
EPS2.1000
P/E Ratio8.63
Earnings Date08/06/2026
7.52%
Return on Invested Capital
-39%
3Y-43.0%
5Y+1452.0%
10Y+153.0%
12.44%
Return on Equity
-43%
3Y-28.0%
5Y+3466.0%
10Y+289.0%
6.02%
Return on Assets
-40%
3Y-51.0%
5Y+2608.0%
10Y+145.0%
Amphastar Pharmaceuticals, Inc.

Amphastar Pharmaceuticals, Inc. Management Team

AMPH · NASDAQ
DZ

Dr. Ziping Luo Ph.D.

Chairman of the Board, Chief Scientist & Chief Operating Officer

Compensation

$1,267,691

Born 1950(Age 76)
MW

Mr. William J. Peters M.B.A.

Chief Financial Officer, Executive Vice President of Finance, Treasurer & Director

Compensation

$1,095,856

Born 1968(Age 58)
male
DY

Dr. Yongfeng Zhang Ph.D.

Co-Founder, President, Chief Executive Officer, Chief Scientific Officer & Director

Compensation

$1,730,743

Born 1947(Age 79)
TM

Tony Marrs M.B.A., M.P.H., M.S.

Executive Vice President of Regulatory Affairs & Clinical Operations

MJ

Mr. Jacob Liawatidewi M.B.A.

Executive Vice President of Sales, Marketing & Corporate Administration Center, Corporate Secretary and Director

Compensation

$817,740

Born 1974(Age 52)
male
MR

Mr. Rong Zhou M.S.

Senior EVice President of Production & EVP of Scientific Affairs

Compensation

$958,913

Born 1959(Age 67)
male
MD

Mr. Dan Dischner M.B.A.

Senior Vice President of Human Resources & Corporate Communication

male
amph

Amphastar Pharmaceuticals, Inc. Insider Positioning

AMPH · NASDAQ

During the last 12 months, insiders have purchased $288K and sold $971K worth of AMPH shares, resulting in $683K of net selling activity.

3 Months

Bought

0

0.00

Sold

0

0.00

Net Activity

+0

+$0

3-6 Months

Bought

0

0.00

Sold

13.9K

363.89K

Net Activity

-364K

-$364K

6-9 Months

Bought

0

0.00

Sold

21.9K

581.32K

Net Activity

-581K

-$581K

9-12 Months

Bought

14.0K

288.41K

Sold

1.0K

25.91K

Net Activity

+263K

+$263K

Top Buyers

1
GDR

Gaugh David Russell

Director

14.0K shares1 transactions

$288K

Top Sellers

1
PFF

Petersen Floyd F.

Director

22.8K shares7 transactions

$601K

2
ZR

Zhou Rong

Officer: Senior Evp, Production Center

9.8K shares1 transactions

$256K

3
PRK

Prins Richard K

Director

4.2K shares1 transactions

$113K

Insider Activity Analysis

Net Insider Sentiment

Bearish

Strong bearish signal with $683K net selling. Heavy insider selling may indicate concerns about valuation or near-term prospects.

Buy/Sell Ratio

0.30:1

Weak buy/sell ratio. Selling significantly exceeds buying—monitor for potential fundamental concerns.

Insider Participation

High Selling

3 insider sellers vs. 1 buyers. Widespread selling across multiple insiders may signal concerns.

SEC Filings

AMPH - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
DEF 14A

DEF 14A 2026

N/A

April 13, 2026
June 01, 2026
2026
DEF 14A

DEF 14A 2025

N/A

April 14, 2025
June 02, 2025
2025
DEF 14A

DEF 14A 2024

N/A

April 12, 2024
June 03, 2024
2024
DEF 14A

DEF 14A

N/A

April 14, 2023
April 14, 2023
 
DEF 14A

DEF 14A 2022

N/A

April 14, 2022
June 10, 2022
2022
DEF 14A

DEF 14A 2021

N/A

April 14, 2021
June 07, 2021
2021
DEF 14A

DEF 14A 2020

N/A

April 15, 2020
June 08, 2020
2020
DEF 14A

DEF 14A 2019

N/A

April 18, 2019
June 12, 2019
2019
DEF 14A

DEF 14A 2018

N/A

April 18, 2018
June 07, 2018
2018
DEF 14A

DEF 14A 2017

N/A

April 21, 2017
June 08, 2017
2017
Showing 1 to 10 of 12 filings