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 August 27, 2025 is 8.25.
  • The all-time high Siga Technologies stock closing price was 20.38 on August 15, 2022.
  • The Siga Technologies 52-week high stock price is 9.62, which is 16.6% above the current share price.
  • The Siga Technologies 52-week low stock price is 4.95, which is 40% below the current share price.
  • The average Siga Technologies stock price for the last 52 weeks is 6.56.
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 6.0854 5.6504 9.4800 4.7268 8.2500 51.60%
2024 6.5622 4.9091 10.8390 3.8041 5.4421 15.21%
2023 4.6233 5.4782 6.5614 3.6439 4.7235 -17.64%
2022 7.8116 5.5725 20.3778 4.3643 5.7354 4.16%
2021 5.0679 5.3162 6.7807 4.1812 5.5066 3.44%
2020 4.4793 3.5222 5.6823 2.9217 5.3235 52.41%
2019 4.1531 5.5578 5.7775 3.1780 3.4929 -39.62%
2018 4.5867 3.5148 6.1070 3.4416 5.7848 62.88%
2017 2.5832 2.1455 3.7492 2.0723 3.5515 68.41%
2016 1.1659 0.4613 2.3798 0.2856 2.1089 585.82%
2015 1.0147 1.0252 1.8819 0.2233 0.3075 -70.84%
2014 1.7453 2.4311 2.8265 0.8641 1.0545 -55.96%
2013 2.4917 2.1895 3.2219 2.0137 2.3945 24.81%
2012 2.1473 1.9771 2.7899 1.6769 1.9185 3.97%
2011 6.2740 9.9294 11.2475 1.3474 1.8453 -82.00%
2010 6.2399 4.4521 10.3248 4.0347 10.2516 141.38%
2009 4.7775 2.3505 6.8247 2.3505 4.2471 77.37%
2008 2.0655 2.2334 2.9290 1.4133 2.3945 6.17%
2007 2.8288 2.6215 4.2105 1.9625 2.2554 -17.87%
2006 1.2366 0.6590 3.6279 0.6590 2.7460 294.77%
2005 0.8616 1.1936 1.2375 0.5126 0.6956 -42.77%
2004 1.2070 1.6403 1.7135 0.9007 1.2155 -27.52%
2003 1.2366 1.0252 1.9332 0.7469 1.6769 60.15%
2002 1.2289 1.9332 2.0869 0.5236 1.0471 -50.69%
2001 2.2035 2.3570 3.1048 1.2128 2.1236 -8.12%
2000 3.1415 1.1899 6.8649 1.0526 2.3112 94.23%
1999 0.9131 1.2815 1.5332 0.5034 1.1899 13.04%
1998 2.2937 3.4096 3.5698 0.7323 1.0526 -68.92%
Sector Industry Market Cap Revenue
Medical Medical - Drug Manufacturing $0.608B $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.
Stock Name Country Market Cap PE Ratio
Chugai Pharmaceutical (CHGCY) Japan $70.099B 26.96
Zoetis (ZTS) United States $68.600B 24.89
Takeda Pharmaceutical (TAK) Japan $47.347B 9.66
Daiichi Sankyo, - (DSNKY) Japan $46.431B 23.80
BeOne Medicines - (ONC) Switzerland $33.857B 0.00
Sandoz Group AG (SDZNY) Switzerland $27.333B 0.00
Summit Therapeutics (SMMT) United States $20.042B 0.00
Merck (MKKGY) Germany $16.317B 10.61
Shionogi (SGIOY) Japan $14.615B 14.64
United Therapeutics (UTHR) United States $13.948B 12.07
Neurocrine Biosciences (NBIX) United States $13.572B 40.49
Orion OYJ (ORINY) Finland $11.336B 27.32
IPSEN (IPSEY) France $11.117B 0.00
Madrigal Pharmaceuticals (MDGL) United States $9.433B 0.00
Eisai (ESAIY) $9.158B 10.33
Corcept Therapeutics (CORT) United States $7.331B 61.57
Grifols, S.A (GRFS) Spain $6.766B 0.00
Ionis Pharmaceuticals (IONS) United States $6.722B 0.00
Stevanato Group S.p.A (STVN) Italy $6.557B 38.66
Ono Pharmaceutical (OPHLF) Japan $5.740B 19.71
Hikma Pharmaceuticals Plc (HKMPF) United Kingdom $5.436B 0.00
Soleno Therapeutics (SLNO) United States $3.699B 0.00
AMNEAL PHARMACEUTICALS, INC (AMRX) United States $2.946B 14.00
Crinetics Pharmaceuticals (CRNX) United States $2.913B 0.00
NewAmsterdam Pharma (NAMS) Netherlands $2.837B 0.00
Hypermarcas (HYPMY) Brazil $2.755B 20.71
Catalyst Pharmaceuticals (CPRX) United States $2.440B 8.17
Centessa Pharmaceuticals (CNTA) United Kingdom $2.248B 0.00
Ocular Therapeutix (OCUL) United States $2.144B 0.00
Dyne Therapeutics (DYN) United States $1.903B 0.00
BioCryst Pharmaceuticals (BCRX) United States $1.801B 0.00
Guardian Pharmacy Services (GRDN) United States $1.648B 0.00
Aurinia Pharmaceuticals Inc (AUPH) Canada $1.607B 23.94
Ardelyx (ARDX) United States $1.494B 0.00
Avadel Pharmaceuticals (AVDL) Ireland $1.442B 0.00
Harrow (HROW) United States $1.427B 0.00
ARS Pharmaceuticals (SPRY) United States $1.373B 0.00
Xeris Biopharma Holdings (XERS) United States $1.284B 0.00
Evotec AG (EVO) Germany $1.239B 0.00
Collegium Pharmaceutical (COLL) United States $1.215B 6.64
Enliven Therapeutics (ELVN) United States $1.204B 0.00
Cronos Group (CRON) Canada $0.977B 0.00
Akebia Therapeutics (AKBA) United States $0.819B 0.00
Amylyx Pharmaceuticals (AMLX) United States $0.817B 0.00
Rigel Pharmaceuticals (RIGL) United States $0.747B 7.69
ProKidney (PROK) United States $0.700B 0.00
Theravance Biopharma (TBPH) United States $0.695B 57.50
KalVista Pharmaceuticals (KALV) United States $0.662B 0.00
Organogenesis (ORGO) United States $0.611B 0.00
Relay Therapeutics (RLAY) United States $0.610B 0.00
Tourmaline Bio (TRML) United States $0.604B 0.00
Bioventus (BVS) United States $0.601B 14.54
Elite Pharmaceuticals (ELTP) United States $0.586B 0.00
USANA Health Sciences (USNA) United States $0.579B 11.87
Savara (SVRA) United States $0.572B 0.00
Xencor (XNCR) United States $0.563B 0.00
Oruka Therapeutics (ORKA) United States $0.555B 0.00
Nektar Therapeutics (NKTR) United States $0.547B 0.00
Zevra Therapeutics (ZVRA) United States $0.528B 0.00
Esperion Therapeutics (ESPR) United States $0.442B 0.00
Nanobiotix S.A (NBTX) France $0.402B 0.00
Aquestive Therapeutics (AQST) United States $0.389B 0.00
Aldeyra Therapeutics (ALDX) United States $0.353B 0.00
Larimar Therapeutics (LRMR) United States $0.320B 0.00
4D Molecular Therapeutics (FDMT) United States $0.305B 0.00
Altimmune (ALT) United States $0.304B 0.00
Tonix Pharmaceuticals Holding (TNXP) United States $0.298B 0.00
Nature's Sunshine Products (NATR) United States $0.291B 18.97
AleAnna (ANNA) United States $0.283B 0.00
Galectin Therapeutics (GALT) United States $0.266B 0.00
Lexeo Therapeutics (LXEO) United States $0.264B 0.00
Heron Therapeutics (HRTX) United States $0.216B 0.00
Lyell Immunopharma (LYEL) United States $0.211B 0.00
Ironwood Pharmaceuticals (IRWD) United States $0.206B 31.75
OmniAb (OABI) United States $0.198B 0.00
Aclaris Therapeutics (ACRS) United States $0.196B 0.00
Korro Bio (KRRO) United States $0.190B 0.00
MediWound (MDWD) Israel $0.182B 0.00
Journey Medical (DERM) United States $0.181B 0.00
China SXT Pharmaceuticals (SXTC) China $0.174B 0.00
Innate Pharma SA (IPHYF) France $0.173B 0.00
MEI Pharma (MEIP) United States $0.171B 0.00
Achieve Life Sciences (ACHV) Canada $0.159B 0.00
Wellgistics Health (WGRX) United States $0.145B 0.00
Inhibikase Therapeutics (IKT) United States $0.137B 0.00
Profound Medical (PROF) Canada $0.135B 0.00
Avalo Therapeutics (AVTX) United States $0.125B 0.00
Corbus Pharmaceuticals Holdings (CRBP) United States $0.123B 0.00
Avita Medical (RCEL) United States $0.121B 0.00
Protara Therapeutics (TARA) United States $0.121B 0.00
Cassava Sciences (SAVA) United States $0.109B 0.00
Dominari Holdings (DOMH) United States $0.098B 0.00
Cardiol Therapeutics (CRDL) Canada $0.096B 0.00
Surrozen (SRZN) United States $0.095B 0.00
Champions Oncology (CSBR) United States $0.093B 21.03
BioNxt Solutions (BNXTF) Canada $0.087B 0.00
Pyxis Oncology (PYXS) United States $0.085B 0.00
Liminatus Pharma (LIMN) United States $0.085B 0.00
VAXART, INC (VXRT) United States $0.082B 0.00
Arch Biopartners (ACHFF) Canada $0.078B 0.00
Context Therapeutics (CNTX) United States $0.077B 0.00
PMV Pharmaceuticals (PMVP) United States $0.076B 0.00
Assertio Holdings (ASRT) United States $0.075B 0.00
Unicycive Therapeutics (UNCY) United States $0.075B 0.00
Nutriband (NTRB) United States $0.072B 0.00
Vivani Medical (VANI) United States $0.071B 0.00
Metagenomi (MGX) United States $0.070B 0.00
Prelude Therapeutics (PRLD) United States $0.069B 0.00
Gain Therapeutics (GANX) United States $0.069B 0.00
Karyopharm Therapeutics (KPTI) United States $0.065B 0.00
DURECT (DRRX) United States $0.060B 0.00
Inotiv (NOTV) United States $0.060B 0.00
Procaps Group, S.A (PROCF) Luxembourg $0.059B 0.00
Verrica Pharmaceuticals (VRCA) United States $0.056B 0.00
PolyPid (PYPD) Israel $0.054B 0.00
Rafael Holdings (RFL) United States $0.054B 0.00
NRx Pharmaceuticals (NRXP) United States $0.052B 0.00
Jupiter Neurosciences (JUNS) United States $0.052B 0.00
Cumberland Pharmaceuticals (CPIX) United States $0.051B 30.91
Fractyl Health (GUTS) United States $0.051B 0.00
Plus Therapeutics (PSTV) United States $0.050B 0.00
Tempest Therapeutics (TPST) United States $0.049B 0.00
Telomir Pharmaceuticals (TELO) United States $0.048B 0.00
Klotho Neurosciences (KLTO) United States $0.045B 0.00
Century Therapeutics (IPSC) United States $0.044B 0.00
FibroGen (FGEN) United States $0.042B 0.00
Acrivon Therapeutics (ACRV) United States $0.042B 0.00
ElectroCore (ECOR) United States $0.041B 0.00
Mural Oncology (MURA) Ireland $0.036B 0.00
Vivos Therapeutics (VVOS) United States $0.035B 0.00
Reviva Pharmaceuticals Holdings (RVPH) United States $0.035B 0.00
SCYNEXIS (SCYX) United States $0.034B 0.00
Iterum Therapeutics (ITRM) Ireland $0.031B 0.00
CASI Pharmaceuticals (CASI) China $0.028B 0.00
Enlivex Therapeutics (ENLV) Israel $0.026B 0.00
Cosmos Health (COSM) United States $0.025B 0.00
Natural Alternatives (NAII) United States $0.023B 0.00
Citius Pharmaceuticals (CTXR) United States $0.022B 0.00
Relmada Therapeutics (RLMD) United States $0.022B 0.00
Scienture Holdings (SCNX) United States $0.022B 0.00
Incannex Healthcare (IXHL) Australia $0.021B 0.00
Mangoceuticals (MGRX) United States $0.020B 0.00
Ainos (AIMD) United States $0.019B 0.00
Mannatech (MTEX) United States $0.017B 0.00
Lipocine (LPCN) United States $0.017B 0.00
BioLineRx (BLRX) Israel $0.015B 0.00
ProPhase Labs (PRPH) United States $0.014B 0.00
Aptorum Group (APM) United Kingdom $0.013B 0.00
TherapeuticsMD (TXMD) United States $0.013B 0.00
MARKER THERAPEUTICS, INC (MRKR) United States $0.013B 0.00
ESSA Pharma (EPIX) Canada $0.012B 0.00
BioVie (BIVI) United States $0.012B 0.00
Lyra Therapeutics (LYRA) United States $0.012B 0.00
Phio Pharmaceuticals (PHIO) United States $0.012B 0.00
Ernexa Therapeutics (ERNA) United States $0.011B 0.00
Talphera (TLPH) United States $0.011B 0.00
Heatwurx (PCSA) United States $0.011B 0.00
Traws Pharma (TRAW) United States $0.010B 0.02
Carisma Therapeutics (CARM) United States $0.010B 0.00
Kiora Pharmaceuticals (KPRX) United States $0.010B 0.00
CERo Therapeutics Holdings (CERO) United States $0.009B 0.00
TransCode Therapeutics (RNAZ) United States $0.009B 0.00
Biomerica (BMRA) United States $0.008B 0.00
Addex Therapeutics (ADXN) Switzerland $0.008B 0.00
VYNE Therapeutics (VYNE) United States $0.008B 0.00
Sonoma Pharmaceuticals (SNOA) United States $0.008B 0.00
NLS Pharmaceutics (NLSP) Switzerland $0.008B 0.00
Vyome Holdings (HIND) United States $0.008B 0.00
Indaptus Therapeutics (INDP) United States $0.007B 0.00
Nuvilex (PMCB) United States $0.007B 0.00
XTL Biopharmaceuticals (XTLB) Israel $0.006B 0.00
Aditxt (ADTX) United States $0.005B 0.00
60 Degrees Pharmaceuticals (SXTP) United States $0.005B 0.00
CDT Equity (CDT) United States $0.005B 0.00
InMed Pharmaceuticals (INM) Canada $0.005B 0.00
Xenetic Biosciences (XBIO) United States $0.004B 0.00
Quoin Pharmaceuticals (QNRX) United States $0.004B 0.00
Clearmind Medicine (CMND) Canada $0.004B 0.00
XORTX Therapeutics (XRTX) Canada $0.004B 0.00
Alaunos Therapeutics (TCRT) United States $0.004B 0.00
Jaguar Animal Health (JAGX) United States $0.004B 0.00
Shuttle Pharmaceuticals Holdings (SHPH) United States $0.004B 0.00
PainReform (PRFX) Israel $0.003B 0.00
Qualigen Therapeutics (QLGN) United States $0.003B 0.00
Redhill Biopharma (RDHL) Israel $0.003B 0.00
Salarius Pharmaceuticals (SLRX) United States $0.003B 0.00
SHINECO (SISI) China $0.003B 0.00
Galmed Pharmaceuticals (GLMD) Israel $0.002B 0.00
SciSparc (SPRC) Israel $0.002B 0.00
Universe Pharmaceuticals INC (UPC) China $0.002B 0.00
TNF Pharmaceuticals (TNFA) United States $0.001B 0.00
Indivior (INDV) United States $0.000B 13.74
4D Pharma (LBPS) United Kingdom $0.000B 0.00
Minerva Neurosciences (NERV) United States $0.000B 1.59
Patheon (PTHN) Netherlands $0.000B 0.00
RVL Pharmaceuticals (RVLP) United States $0.000B 0.00
Silence Therapeutics (SLN) United Kingdom $0.000B 0.00