---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-24-016900"
form_type: "8-K"
ticker: "SIGA"
cik: "0001010086"
company_name: "SIGA TECHNOLOGIES INC"
filed_at: "2024-04-01T23:59:59+00:00"
generated_at: "2026-06-04T04:18:38.754068+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# SIGA assumes primary responsibility for oral TPOXX promotion; Meridian retains limited rights in EU/UK/AU/JP/CH

## Summary
- Amendment to Promotion Agreement effective June 1, 2024; SIGA takes over global advertising, promotion and sale of oral TPOXX.
- Meridian retains non-exclusive rights only in European Economic Area, Australia, Japan, Switzerland and the UK.
- Meridian receives reduced promotion fee: high single-digit percentage of collected proceeds from Territory sales.
- Agreement has fixed term expiring May 31, 2026, with no automatic renewal.

## SEC filing metadata
- accession: 0001140361-24-016900
- form_type: 8-K
- ticker: SIGA
- cik: 0001010086
- company_name: SIGA TECHNOLOGIES INC
- filed_at: 2024-04-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1010086/000114036124016900/0001140361-24-016900-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1010086/000114036124016900/ef20025678_form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-24-016900
- JSON: https://secwatch.observer/filing/0001140361-24-016900.json
- Plain text: https://secwatch.observer/filing/0001140361-24-016900.txt

## Key facts
- Material Agreements
  SIGA TECHNOLOGIES INC amended Amendment with Meridian Medical Technologies, LLC (effective 2024-03-27).
  - Action: amendment
  - Counterparty: Meridian Medical Technologies, LLC
  - Effective: 2024-03-27
  source text: On March 27, 2024, SIGA Technologies, Inc. (the “Company”) and Meridian Medical Technologies, LLC (“Meridian”) entered into an amendment (the “Amendment”) to the Promotion Agreement
  evidence_url: https://www.sec.gov/Archives/edgar/data/1010086/000114036124016900/0001140361-24-016900-index.htm

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