---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-035911"
form_type: "8-K"
ticker: "GOVX"
cik: "0000832489"
company_name: "GeoVax Labs, Inc."
filed_at: "2026-11-09T21:32:22+00:00"
generated_at: "2026-11-09T21:33:04.712035+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# GeoVax names Tyler O'Brien interim CEO and chairman; five directors resigned, Behroyan joins board

## Summary
- Tyler O'Brien appointed interim Chief Executive Officer effective Nov 8, 2026, also named Chairman of the Board, serving as principal executive officer until a permanent CEO is named.
- Shahin Behroyan, 39, appointed a director Nov 5, 2026; he has been CEO of iSpecimen (Nasdaq: ISPC) since Aug 26, 2026 and is deemed independent under Nasdaq Rule 5605(a)(2).
- Behroyan fills a board vacancy created by the resignation of five former directors effective Oct 23, 2026; he has no immediate committee assignment.
- Filing discloses Mr. Dodd's employment was terminated for 'Cause,' with potential severance of 3x base salary plus target bonus and accelerated stock option vesting if disputed.
- Company cites risks including Dodd litigation, going-concern doubt, and the need to regain and maintain Nasdaq continued listing compliance.

## SEC filing metadata
- accession: 0001437749-26-035911
- form_type: 8-K
- ticker: GOVX
- cik: 0000832489
- company_name: GeoVax Labs, Inc.
- filed_at: 2026-11-09T21:32:22+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/832489/000143774926035911/0001437749-26-035911-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/832489/000143774926035911/govx20261109_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-035911
- JSON: https://secwatch.observer/filing/0001437749-26-035911.json
- Plain text: https://secwatch.observer/filing/0001437749-26-035911.txt

## Key facts
- Executive change
  Shahin Behroyan was appointed as director at GeoVax Labs, Inc..
  - Action: appointed
  - Role: director
  source text: Effective November 5, 2026, the Board of Directors appointed Shahin Behroyan as a director of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/832489/000143774926035911/0001437749-26-035911-index.htm
- Executive change
  Tyler O’Brien was appointed as interim Chief Executive Officer at GeoVax Labs, Inc..
  - Action: appointed
  - Role: interim Chief Executive Officer
  source text: Effective November 8, 2026, the Board of Directors appointed Tyler O’Brien as interim Chief Executive Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/832489/000143774926035911/0001437749-26-035911-index.htm
- Executive change
  Tyler O’Brien was appointed as Chairman of the Board at GeoVax Labs, Inc..
  - Action: appointed
  - Role: Chairman of the Board
  source text: Effective November 8, 2026, Mr. O’Brien was also appointed as Chairman of the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/832489/000143774926035911/0001437749-26-035911-index.htm

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