---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-24-041564"
form_type: "8-K"
ticker: "SIGA"
cik: "0001010086"
company_name: "SIGA TECHNOLOGIES INC"
filed_at: "2024-09-20T23:59:59+00:00"
generated_at: "2026-05-31T02:39:49.116214+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# SIGA Technologies CMO and Board Member Jay Varma begins indefinite leave

## Summary
- Dr. Jay K. Varma commenced indefinite leave as EVP, Chief Medical Officer and board member on Sept 19, 2024.
- No replacement or interim appointment announced for either the CMO role or board seat.
- Company has not disclosed the reason for leave or expected duration.

## SEC filing metadata
- accession: 0001140361-24-041564
- form_type: 8-K
- ticker: SIGA
- cik: 0001010086
- company_name: SIGA TECHNOLOGIES INC
- filed_at: 2024-09-20T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1010086/000114036124041564/0001140361-24-041564-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1010086/000114036124041564/ef20036098_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-24-041564
- JSON: https://secwatch.observer/filing/0001140361-24-041564.json
- Plain text: https://secwatch.observer/filing/0001140361-24-041564.txt

## Key facts
- Executive change
  Jay K. Varma departed as Executive Vice President and Chief Medical Officer at SIGA TECHNOLOGIES INC.
  - Action: commenced indefinite leave of absence
  - Role: Executive Vice President and Chief Medical Officer
  source text: On September 19, 2024, Dr. Jay K. Varma began an indefinite leave of absence from his positions as Executive Vice President and Chief Medical Officer of SIGA Technologies, Inc. (the “Company”) and as a member of the Board of Directors of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1010086/000114036124041564/0001140361-24-041564-index.htm
- Executive change
  Jay K. Varma departed as Member of the Board of Directors at SIGA TECHNOLOGIES INC.
  - Action: commenced indefinite leave of absence
  - Role: Member of the Board of Directors
  source text: On September 19, 2024, Dr. Jay K. Varma began an indefinite leave of absence from his positions as Executive Vice President and Chief Medical Officer of SIGA Technologies, Inc. (the “Company”) and as a member of the Board of Directors of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1010086/000114036124041564/0001140361-24-041564-index.htm

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