The Oil & Gas Journal, first published in 1902, is the world's most widely read petroleum industry publication. OGJ delivers international oil and gas industry news; analysis of issues and events; practical technology for design, operation, and maintenance of oil and gas operations; and important statistics on energy markets and industry activity.

OGJ is edited to meet the needs of engineers, geoscientists, managers, and executives throughout the oil and gas industry. It is part of Endeavor Business Media, Nashville, Tenn., which also publishes Offshore Magazine.

Endeavor Business Media’s Petroleum Group also produces targeted e-Newsletters; hosts global conferences and exhibitions, seminars, and forums; and publishes directories, technical books, print and electronic databases, surveys, and maps.

Additional Information

Website & Technical Help

For help with subscription purchases or refunds, or trouble logging into the paid subscription content on www.ogj.com, please contact Customer Service at [email protected] or call 1-847-559-7598.

For more customer service information, please click here.

Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)

26.36 UNCHANGED
Streaming Delayed Price Updated: 4:00 PM EDT, Sep 25, 2025 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 0
Open 26.36
Bid (Size) 26.01 (1)
Ask (Size) 27.51 (10)
Prev. Close 26.36
Today's Range 26.36 - 26.36
52wk Range 20.39 - 53.95
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

YTD
-27.5%
-27.5%
1 Month
-13.1%
-13.1%
3 Month
+13.7%
+13.7%
6 Month
-7.5%
-7.5%
1 Year
-43.6%
-43.6%

More News

Read More

Frequently Asked Questions

Is Amphastar Pharmaceuticals, Inc. - Common Stock publicly traded?
Yes, Amphastar Pharmaceuticals, Inc. - Common Stock is publicly traded.
What exchange does Amphastar Pharmaceuticals, Inc. - Common Stock trade on?
Amphastar Pharmaceuticals, Inc. - Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Amphastar Pharmaceuticals, Inc. - Common Stock?
The ticker symbol for Amphastar Pharmaceuticals, Inc. - Common Stock is AMPH on the Nasdaq Stock Market
What is the current price of Amphastar Pharmaceuticals, Inc. - Common Stock?
The current price of Amphastar Pharmaceuticals, Inc. - Common Stock is 26.36
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 09/25/25 04:00 PM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.27B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
Stock Quote API & Stock News API supplied by www.cloudquote.io
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the following
Privacy Policy and Terms Of Service.