AMPH Shares Outstanding History
Below is a table of the AMPH shares outstanding history going back to 6/25/2014:

Date AMPH Shares Outstanding
6/25/201442.77M
8/8/201444.64M
11/10/201444.65M
3/8/201544.56M
5/11/201544.72M
8/10/201545.34M
11/9/201545.02M
3/8/201644.91M
5/3/201644.85M
8/2/201645.12M
11/2/201646.02M
3/8/201745.91M
5/3/201745.74M
8/2/201746.20M
11/2/201745.98M
3/6/201846.35M
5/3/201846.61M
8/2/201846.26M
11/2/201846.10M
3/8/201946.79M
5/3/201947.07M
8/2/201947.23M
11/1/201946.94M
3/9/202046.24M
8/3/202047.49M
11/2/202047.50M
3/8/202147.43M
5/3/202147.64M
8/2/202148.03M
11/2/202147.85M
3/4/202248.15M
5/3/202248.83M
8/2/202249.02M

Also see: AMPH Market Cap History
AMPH YTD Return
AMPH Historical Shares Outstanding:
+1.70% CAGR
AMPH Historical Shares Outstanding: +1.70% CAGR

Mouse over chart for data details
6/25/2014 ...8/2/2022
Amphastar Pharmaceuticals is a bio-pharmaceutical company that focuses primarily on developing, manufacturing, marketing and selling generic and proprietary injectable, inhalation, and intranasal products, and insulin active pharmaceutical ingredient (API) products. Co.'s reportable segments are: finished pharmaceutical products, which manufactures, markets and distributes Primatene Mist®, glucagon, enoxaparin, naloxone, phytonadione, lidocaine, epinephrine, various critical and non-critical care drugs; and API, which manufactures and distributes recombinant human insulin API and porcine insulin API for external customers and internal product development. We show 33 historical shares outstanding datapoints in our coverage of AMPH's shares outstanding history.

Understanding the changing numbers of AMPH shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like AMPH versus peers — is critical for investors. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies. Furthermore, via issuance of new shares over time, or the repurchase of existing shares, the number of shares outstanding can fluctuate over the course of history. With this page we aim to empower investors researching AMPH by allowing them to research AMPH shares outstanding history as well as any other stock in our coverage universe.
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Amphastar Pharmaceuticals (AMPH) is categorized under the Healthcare sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:

AMRX Shares Outstanding History
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