---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-082362"
form_type: "8-K"
ticker: "ARMP"
cik: "0000921114"
company_name: "Armata Pharmaceuticals, Inc."
filed_at: "2023-07-19T23:59:59+00:00"
generated_at: "2026-06-13T06:46:21.233122+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Armata Pharmaceuticals CEO Dr. Brian Varnum departs; severance includes 12-month salary continuation

## Summary
- Dr. Brian Varnum's employment terminated July 10, 2023; separation agreement signed July 14, 2023.
- Severance includes base salary continuation for 12 months and COBRA premium payments for up to 12 months.
- Unvested options that would have vested within one year will vest on first anniversary; exercise extended to Sept 30, 2024.
- Agreement includes non-disparagement, confidentiality, and reaffirmation of existing restrictive covenants.

## SEC filing metadata
- accession: 0001104659-23-082362
- form_type: 8-K
- ticker: ARMP
- cik: 0000921114
- company_name: Armata Pharmaceuticals, Inc.
- filed_at: 2023-07-19T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/921114/000110465923082362/0001104659-23-082362-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/921114/000110465923082362/tm2321631d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-082362
- JSON: https://secwatch.observer/filing/0001104659-23-082362.json
- Plain text: https://secwatch.observer/filing/0001104659-23-082362.txt

## Key facts
- Executive change
  Dr. Brian Varnum resigned as Chief Executive Officer at Armata Pharmaceuticals, Inc..
  - Action: resigned
  - Role: Chief Executive Officer
  source text: On July 14, 2023, Armata Pharmaceuticals, Inc. (the “Company”) and Dr. Brian Varnum, the Company’s former Chief Executive Officer, entered into a separation and release agreement
  evidence_url: https://www.sec.gov/Archives/edgar/data/921114/000110465923082362/0001104659-23-082362-index.htm

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