---
schema_version: "secwatch.filing_event.v1"
accession: "0001411690-26-000036"
form_type: "8-K"
ticker: "BNGO"
cik: "0001411690"
company_name: "Bionano Genomics, Inc."
filed_at: "2026-06-05T20:00:16+00:00"
generated_at: "2026-06-05T20:01:52.426858+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Bionano Genomics CMO Alka Chaubey resigns effective July 5, 2026

## Summary
- Alka Chaubey, Ph.D. resigned as Chief Medical Officer on June 2, 2026.
- Her resignation becomes effective July 5, 2026.
- No replacement or reason for departure was disclosed in the filing.

## SEC filing metadata
- accession: 0001411690-26-000036
- form_type: 8-K
- ticker: BNGO
- cik: 0001411690
- company_name: Bionano Genomics, Inc.
- filed_at: 2026-06-05T20:00:16+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1411690/000141169026000036/0001411690-26-000036-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1411690/000141169026000036/bngo-20260602.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001411690-26-000036
- JSON: https://secwatch.observer/filing/0001411690-26-000036.json
- Plain text: https://secwatch.observer/filing/0001411690-26-000036.txt

## Key facts
- Executive change
  Alka Chaubey resigned as Chief Medical Officer at Bionano Genomics, Inc..
  - Action: resigned
  - Role: Chief Medical Officer
  source text: On June 2, 2026, Alka Chaubey, Ph.D. resigned as Chief Medical Officer of Bionano Genomics, Inc. (the “Company”) effective July 5, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1411690/000141169026000036/0001411690-26-000036-index.htm

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