Free Trial

Siga Technologies (SIGA) Stock Chart & Stock Price History

Siga Technologies logo
$4.68 0.00 (0.00%)
Closing price 05/22/2026 04:00 PM Eastern
Extended Trading
$4.67 -0.01 (-0.21%)
As of 05/22/2026 07:21 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Siga Technologies Stock Price Performance

The Siga Technologies (SIGA) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 20.81%, with a year-to-date return of -23.40%. In the past month, the stock has increased 2.41%, reflecting recent market activity.

As of the latest close, Siga Technologies traded at $4.68 with a market cap of $335.67 million and volume of 602,667 shares. Five years ago, the stock traded at $7.00, representing a 33.14% decrease over that period. At the time, it had a market cap of $532.46 million and a volume of 171,298 shares.

Receive SIGA Stock News and Ratings via Email

Sign-up to receive the latest news and ratings for Siga Technologies and its competitors with MarketBeat's FREE daily newsletter.

SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
5 Day
Performance
-0.64%
1 Month
Performance
+2.41%
3 Month
Performance
-29.52%
Year-To-Date
Performance
-23.40%
1 Year
Performance
-20.81%
5 Year
Performance
-33.14%

SIGA Stock Chart for Tuesday, May, 26, 2026

Siga Technologies Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
05/25/2026$4.68$4.68$4.80$4.65602,667 shs$335.65 million
05/22/2026$4.71$4.68
-0.64%
$4.80$4.65602,667 shs$335.65 million
05/21/2026$4.49$4.71
+4.90%
$4.72$4.40854,322 shs$337.82 million
05/20/2026$4.37$4.49
+2.75%
$4.62$4.361.01 million shs$322.02 million
05/19/2026$4.27$4.37
+2.34%
$4.39$4.20486,906 shs$313.42 million
05/18/2026$4.17$4.27
+2.40%
$4.30$4.17599,005 shs$306.26 million
05/15/2026$4.26$4.17
-2.11%
$4.31$4.09700,053 shs$299.09 million
05/14/2026$4.31$4.26
-1.16%
$4.38$4.25442,409 shs$305.53 million
05/13/2026$4.45$4.31
-3.15%
$4.47$4.30512,390 shs$309.11 million
05/12/2026$4.55$4.45
-2.20%
$4.57$4.31629,505 shs$319.17 million
05/11/2026$4.80$4.55
-5.21%
$4.92$4.54498,313 shs$326.33 million
05/08/2026$4.73$4.80
+1.48%
$4.81$4.401.08 million shs$339.26 million
05/07/2026$4.70$4.73
+0.64%
$4.87$4.71615,126 shs$339.24 million
05/06/2026$4.64$4.70
+1.29%
$4.76$4.67426,230 shs$337.08 million
05/05/2026N/A$4.64$4.71$4.61366,412 shs$332.78 million
04/30/2026$4.53$4.60
+1.55%
$4.67$4.50394,151 shs$329.56 million
04/29/2026$4.59$4.53
-1.31%
$4.56$4.49370,875 shs$324.55 million
04/28/2026$4.56$4.59
+0.66%
$4.61$4.54275,908 shs$328.83 million
04/27/2026$4.57$4.56
-0.22%
$4.66$4.54419,577 shs$326.68 million

This page (NASDAQ:SIGA) was last updated on 5/26/2026 by MarketBeat.com Staff.
From Our Partners