---
schema_version: "secwatch.filing_event.v1"
accession: "0001023459-25-000047"
form_type: "8-K"
ticker: "SLP"
cik: "0001023459"
company_name: "Simulations Plus, Inc."
filed_at: "2025-07-15T23:59:59+00:00"
generated_at: "2026-05-18T06:25:32.381021+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Simulations Plus dismisses Grant Thornton, reappoints RSJ as auditor citing 10-Q timeline concerns

## Summary
- Dismissed Grant Thornton LLP on July 9, 2025; re-hired Rose, Snyder & Jacobs LLC for FY2025.
- Reason: ensure timely completion of Q2 FY2025 10-Q; segment reporting and SOX 404(a) issues not finalizable in time.
- No reportable events or disagreements with Grant Thornton during engagement April 15–July 9, 2025.
- RSJ previously served as auditor for FY2024, FY2023, and interim through April 15, 2025.

## SEC filing metadata
- accession: 0001023459-25-000047
- form_type: 8-K
- ticker: SLP
- cik: 0001023459
- company_name: Simulations Plus, Inc.
- filed_at: 2025-07-15T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1023459/000102345925000047/0001023459-25-000047-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1023459/000102345925000047/slp-20250709.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001023459-25-000047
- JSON: https://secwatch.observer/filing/0001023459-25-000047.json
- Plain text: https://secwatch.observer/filing/0001023459-25-000047.txt

## Key facts
- Auditor Changes
  Simulations Plus, Inc. dismissed Grant Thornton LLP as its auditor.
  - Action: dismissal
  - Auditor: Grant Thornton LLP
  source text: On July 9, 2025, the Audit Committee of the Board of Directors (the “Audit Committee”) of Simulations Plus, Inc. (the “Company”) approved the dismissal of Grant Thornton LLP (“Grant Thornton”) as the Company’s independent public accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1023459/000102345925000047/0001023459-25-000047-index.htm
- Auditor Changes
  Simulations Plus, Inc. engaged Rose, Snyder & Jacobs LLC as its auditor.
  - Action: engagement
  - Auditor: Rose, Snyder & Jacobs LLC
  source text: On July 9, 2025, the Audit Committee approved the selection and appointment of Rose, Snyder & Jacobs LLC (“RSJ”) to audit the Company’s consolidated financial statements for the fiscal year ending August 31, 2025, including the reviews of interim periods therein.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1023459/000102345925000047/0001023459-25-000047-index.htm

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