---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-21-031376"
form_type: "8-K"
ticker: "SIGA"
cik: "0001010086"
company_name: "SIGA TECHNOLOGIES INC"
filed_at: "2021-09-15T23:59:59+00:00"
generated_at: "2026-06-29T03:23:35.926751+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "medium"
source: SEC EDGAR
---

# DoD intends to negotiate sole-source contract with SIGA for TPOXX; size and timing not disclosed

## Summary
- DoD publicly disclosed intent to negotiate a firm fixed-price sole-source contract for TPOXX.
- SIGA believes initial order likely will be for a limited quantity of TPOXX.
- No assurance that SIGA will successfully negotiate the contract or its terms.
- SIGA continues discussions with DoD and other U.S. agencies on TPOXX stockpiles.

## SEC filing metadata
- accession: 0001140361-21-031376
- form_type: 8-K
- ticker: SIGA
- cik: 0001010086
- company_name: SIGA TECHNOLOGIES INC
- filed_at: 2021-09-15T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: medium
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1010086/000114036121031376/0001140361-21-031376-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1010086/000114036121031376/brhc10028991_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-21-031376
- JSON: https://secwatch.observer/filing/0001140361-21-031376.json
- Plain text: https://secwatch.observer/filing/0001140361-21-031376.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.