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Below is a table of the CPRX shares outstanding history going back to 3/26/2010:
Also see: CPRX Market Cap History CPRX YTD Return |
CPRX Shares Outstanding History — Catalyst Pharmaceuticals Share Count Over Time
As of 5/7/2026 Catalyst Pharmaceuticals has 122.38 million CPRX shares outstanding. Investors often track the CPRX shares outstanding history to compare shareholder return trends against the change in share count over time.
This page shows CPRX share count trends over time, with 71 historical shares outstanding datapoints presented, dating back to 3/26/2010.
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CPRX Historical Shares Outstanding: +12.60% CAGR 
Mouse over chart for data details
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| CPRX Stock Price Chart |
| About Catalyst Pharmaceuticals Inc |
| Catalyst Pharmaceuticals, Inc. is a commercial-stage biopharmaceutical company focused on developing and commercializing first-in-class medicines for rare and difficult-to-treat diseases. Its flagship product, FIRDAPSE (amifampridine) tablets, is approved for treating Lambert-Eaton Myasthenic Syndrome (LEMS) in adults and children aged six to seventeen. The company also markets FYCOMPA (perampanel) CIII for treating focal onset seizures and primary generalized tonic-clonic seizures in people with epilepsy. Additionally, its portfolio includes AGAMREE (vamorolone), an oral suspension for treating Duchenne Muscular Dystrophy (DMD), which is a corticosteroid treatment for DMD patients. We show 71 historical shares outstanding datapoints in our coverage of CPRX's shares outstanding history. Understanding the changing numbers of CPRX shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like CPRX 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 CPRX by allowing them to research CPRX shares outstanding history as well as any other stock in our coverage universe. |
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| CPRX Share Performance |
| Shares Outstanding Peers |
| Catalyst Pharmaceuticals (CPRX) is categorized under the Healthcare sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:
CRBP Shares Outstanding History CRBU Shares Outstanding History CRDF Shares Outstanding History CRGX Shares Outstanding History CRH Shares Outstanding History CRIS Shares Outstanding History CRL Shares Outstanding History CRMD Shares Outstanding History CRNX Shares Outstanding History CRTX Shares Outstanding History More Healthcare companies » |
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