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Below is a table of the SIGA shares outstanding history going back to 2/23/2010:
Also see: SIGA Market Cap History SIGA YTD Return |
SIGA Shares Outstanding History — SIGA Technologies Share Count Over Time
As of 2/13/2026 SIGA Technologies has 71.64 million SIGA shares outstanding. Investors often track the SIGA shares outstanding history to compare shareholder return trends against the change in share count over time.
This page shows SIGA share count trends over time, with 65 historical shares outstanding datapoints presented, dating back to 2/23/2010.
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SIGA Historical Shares Outstanding: +3.21% CAGR 
Mouse over chart for data details
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| SIGA Stock Price Chart |
| About SIGA Technologies Inc |
| SIGA Technologies is a commercial-stage pharmaceutical company. Co. sells its primary product, TPOXX® (oral TPOXX®), to the U.S. government and international governments (including government affiliated entities). Additionally, Co. sells the intravenous formulation of TPOXX® to the U.S. Government. TPOXX® is an oral formulation antiviral drug for the treatment of human smallpox disease caused by variola virus. Co. has been delivering oral TPOXX® to the U.S. Strategic National Stockpile. We show 65 historical shares outstanding datapoints in our coverage of SIGA's shares outstanding history. Understanding the changing numbers of SIGA shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like SIGA 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 SIGA by allowing them to research SIGA shares outstanding history as well as any other stock in our coverage universe. |
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| SIGA Share Performance |
| Shares Outstanding Peers |
| SIGA Technologies (SIGA) is categorized under the Healthcare sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:
SILK Shares Outstanding History SINT Shares Outstanding History SIOX Shares Outstanding History SKIN Shares Outstanding History SKYE Shares Outstanding History SLDB Shares Outstanding History SLNO Shares Outstanding History SLRN Shares Outstanding History SLRX Shares Outstanding History SLS Shares Outstanding History More Healthcare companies » |
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