---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-009163"
form_type: "8-K"
ticker: "SIGA"
cik: "0001010086"
company_name: "SIGA TECHNOLOGIES INC"
filed_at: "2025-03-18T23:59:59+00:00"
generated_at: "2026-05-24T12:49:42.779772+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# SIGA Technologies appoints General John M. Keane to Board of Directors

## Summary
- Gen. Keane appointed effective March 17, 2025; term expires at next annual meeting.
- Granted fully vested options for 25,000 shares at $5.63 (closing price on appointment date).
- Annual retainer of $45,000 (prorated) paid quarterly in arrears.
- Board determined Keane meets Nasdaq independence requirements.

## SEC filing metadata
- accession: 0001140361-25-009163
- form_type: 8-K
- ticker: SIGA
- cik: 0001010086
- company_name: SIGA TECHNOLOGIES INC
- filed_at: 2025-03-18T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1010086/000114036125009163/0001140361-25-009163-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1010086/000114036125009163/ef20045652_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-009163
- JSON: https://secwatch.observer/filing/0001140361-25-009163.json
- Plain text: https://secwatch.observer/filing/0001140361-25-009163.txt

## Key facts
- Executive change
  John M. Keane was appointed as Director at SIGA TECHNOLOGIES INC.
  - Action: appointed
  - Role: Director
  source text: the Board appointed as a director of the Company General John M. “Jack” Keane (Ret.), effective immediately
  evidence_url: https://www.sec.gov/Archives/edgar/data/1010086/000114036125009163/0001140361-25-009163-index.htm

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