SIGA Technologies Inc.

SIGA is a commercial-stage pharmaceutical company and leader in global health focused on the development of innovative medicines to treat and prevent infectious diseases. With a primary focus on smallpox, we are dedicated to protecting humanity against the world’s most severe infectious diseases, including those that occur naturally, accidentally, or intentionally. Through partnerships with governments and public health agencies, we work to build a healthier and safer world by providing essential countermeasures against these global health threats. For more information about SIGA, visit www.siga.com.

Current securities

1. 10-Q filingAug 6, 2026
2. Results of Operations and Financial ConditionAug 6, 2026
3. S-8 filingJun 25, 2026
4. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · Submission of Matters to a Vote of Security HoldersJun 10, 2026
5. DEFA14A filingMay 8, 2026