---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-228012"
form_type: "8-K"
ticker: "VIVS"
cik: "0001497253"
company_name: "VivoSim Labs, INC."
filed_at: "2023-09-05T23:59:59+00:00"
generated_at: "2026-06-10T23:55:05.184280+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Organovo appoints Rosenberg Rich Baker Berman as new auditor effective Aug 31, 2023

## Summary
- Former auditor MHM ceased on Aug 10, 2023 after filing Q1 FY2024 10-Q.
- Audit Committee approved RRBB P.A. as independent registered public accounting firm.
- No prior consultations with RRBB on accounting principles or audit opinions.
- No disagreements or reportable events during fiscal years 2022 and 2023.

## SEC filing metadata
- accession: 0001193125-23-228012
- form_type: 8-K
- ticker: VIVS
- cik: 0001497253
- company_name: VivoSim Labs, INC.
- filed_at: 2023-09-05T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1497253/000119312523228012/0001193125-23-228012-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1497253/000119312523228012/d541334d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-228012
- JSON: https://secwatch.observer/filing/0001193125-23-228012.json
- Plain text: https://secwatch.observer/filing/0001193125-23-228012.txt

## Key facts
- Auditor Changes
  Mayer Hoffman McCann P.C. resigned as auditor of VivoSim Labs, INC..
  - Action: resignation
  - Auditor: Mayer Hoffman McCann P.C.
  source text: Mayer Hoffman McCann P.C. (“MHM”) informed the Company and the Audit Committee (the “Audit Committee”) of the Company’s Board of Directors that it would not stand for re-election as the Company’s independent registered public accounting firm
  evidence_url: https://www.sec.gov/Archives/edgar/data/1497253/000119312523228012/0001193125-23-228012-index.htm
- Auditor Changes
  VivoSim Labs, INC. engaged Rosenberg Rich Baker Berman P.A. as its auditor.
  - Action: engagement
  - Auditor: Rosenberg Rich Baker Berman P.A.
  source text: the Audit Committee approved the appointment of Rosenberg Rich Baker Berman P.A. (“RRBB P.A.”) as the Company’s new independent registered public accounting firm, effective as of August 31, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1497253/000119312523228012/0001193125-23-228012-index.htm

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