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Siga Technologies - 28 Year Stock Price History | SIGA

Historical daily share price chart and data for Siga Technologies since 1997 adjusted for splits and dividends. The latest closing stock price for Siga Technologies as of April 24, 2025 is 6.48.
  • The all-time high Siga Technologies stock closing price was 22.50 on August 15, 2022.
  • The Siga Technologies 52-week high stock price is 12.83, which is 98% above the current share price.
  • The Siga Technologies 52-week low stock price is 4.95, which is 23.6% below the current share price.
  • The average Siga Technologies stock price for the last 52 weeks is 7.16.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
  
Siga Technologies Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 5.9093 6.2400 6.4800 5.2200 6.4800 7.82%
2024 7.2469 5.4214 11.9700 4.2011 6.0100 15.21%
2023 5.1057 6.0499 7.2461 4.0241 5.2164 -17.64%
2022 8.6268 6.1540 22.5042 4.8197 6.3339 4.16%
2021 5.5967 5.8709 7.4883 4.6175 6.0812 3.44%
2020 4.9467 3.8897 6.2753 3.2266 5.8790 52.41%
2019 4.5864 6.1378 6.3804 3.5096 3.8573 -39.62%
2018 5.0653 3.8816 6.7443 3.8007 6.3885 62.89%
2017 2.8528 2.3694 4.1404 2.2885 3.9220 68.40%
2016 1.2876 0.5095 2.6282 0.3154 2.3290 585.81%
2015 1.1206 1.1321 2.0783 0.2466 0.3396 -70.84%
2014 1.9274 2.6848 3.1215 0.9542 1.1645 -55.96%
2013 2.7517 2.4179 3.5581 2.2238 2.6443 24.81%
2012 2.3714 2.1834 3.0810 1.8519 2.1187 3.97%
2011 6.9286 10.9655 12.4211 1.4879 2.0378 -82.00%
2010 6.8910 4.9167 11.4022 4.4558 11.3214 141.38%
2009 5.2760 2.5957 7.5368 2.5957 4.6903 77.37%
2008 2.2810 2.4664 3.2347 1.5607 2.6443 6.17%
2007 3.1239 2.8950 4.6498 2.1672 2.4907 -17.87%
2006 1.3656 0.7278 4.0065 0.7278 3.0325 294.75%
2005 0.9516 1.3181 1.3666 0.5661 0.7682 -42.77%
2004 1.3330 1.8114 1.8923 0.9947 1.3424 -27.51%
2003 1.3656 1.1321 2.1349 0.8248 1.8519 60.14%
2002 1.3571 2.1349 2.3047 0.5782 1.1564 -50.69%
2001 2.4335 2.6029 3.4288 1.3394 2.3451 -8.12%
2000 3.4693 1.3141 7.5813 1.1625 2.5524 94.23%
1999 1.0083 1.4152 1.6931 0.5560 1.3141 13.04%
1998 2.5330 3.7654 3.9423 0.8087 1.1625 -68.92%
Sector Industry Market Cap Revenue
Medical Medical - Drug Manufacturing $0.428B $0.139B
SIGA Technologies Inc. is applying viral and bacterial genomics and sophisticated computational modeling in the design and development of novel products for the prevention and treatment of serious infectious diseases, with an emphasis on products for biological warfare defense. SIGA believes that it is a leader in the development of pharmaceutical agents and vaccines to fight potential biowarfare pathogens. With broad technology platforms in both vaccines and antibiotics, SIGA's product development programs emphasize the increasingly serious problem of drug resistant bacteria. In addition to smallpox, SIGA has antiviral programs targeting other Category A pathogens, including arenaviruses, dengue virus, and the filoviruses.
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