---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-100117"
form_type: "8-K"
ticker: "ARMP"
cik: "0000921114"
company_name: "Armata Pharmaceuticals, Inc."
filed_at: "2021-08-04T23:59:59+00:00"
generated_at: "2026-06-29T22:58:57.029358+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Armata Pharmaceuticals appoints Brian Varnum as CEO; Todd Patrick resigns but stays as advisor

## Summary
- Brian Varnum, Ph.D. appointed CEO effective August 1, 2021; was previously President and Chief Development Officer.
- Todd R. Patrick resigned as CEO as of Aug 1, 2021; continues as board member until next annual meeting and as advisor through Dec 31, 2022.
- Patrick to receive base salary of $550K through Dec 2021, then $275K through transition period; target bonus 50% of base.
- Varnum receives base salary $500K, target bonus 50%, and option to purchase 125,000 shares vesting over 4 years.
- Half of Patrick's unvested stock options and RSUs vest at end of transition period if he serves full term.

## SEC filing metadata
- accession: 0001104659-21-100117
- form_type: 8-K
- ticker: ARMP
- cik: 0000921114
- company_name: Armata Pharmaceuticals, Inc.
- filed_at: 2021-08-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/921114/000110465921100117/0001104659-21-100117-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/921114/000110465921100117/tm2124032d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-100117
- JSON: https://secwatch.observer/filing/0001104659-21-100117.json
- Plain text: https://secwatch.observer/filing/0001104659-21-100117.txt

## Key facts
- Executive change
  Todd R. Patrick resigned as Chief Executive Officer at Armata Pharmaceuticals, Inc..
  - Action: resigned
  - Role: Chief Executive Officer
  source text: Todd R. Patrick, who has served as the Company’s CEO since May 2019, resigned as CEO as of August 1, 2021
  evidence_url: https://www.sec.gov/Archives/edgar/data/921114/000110465921100117/0001104659-21-100117-index.htm
- Executive change
  Brian Varnum was appointed as Chief Executive Officer at Armata Pharmaceuticals, Inc..
  - Action: appointed
  - Role: Chief Executive Officer
  source text: On August 1, 2021, Brian Varnum, Ph.D. was appointed to serve as Chief Executive Officer
  evidence_url: https://www.sec.gov/Archives/edgar/data/921114/000110465921100117/0001104659-21-100117-index.htm

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