---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-018292"
form_type: "8-K"
ticker: "SLP"
cik: "0001023459"
company_name: "Simulations Plus, Inc."
filed_at: "2025-04-18T23:59:59+00:00"
generated_at: "2026-05-23T10:53:05.637047+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Simulations Plus replaces auditor RSJ with Grant Thornton for FY2025

## Summary
- Dismissed Rose, Snyder & Jacobs (RSJ) as auditor effective April 15, 2025.
- Appointed Grant Thornton LLP as new independent auditor for fiscal year ending August 31, 2025.
- No disagreements or reportable events with RSJ during fiscal 2023, 2024, or subsequent period.
- RSJ's audit report for FY2024 was unqualified with no adverse opinion or modifications.
- Audit committee conducted a competitive process to select Grant Thornton.

## SEC filing metadata
- accession: 0001628280-25-018292
- form_type: 8-K
- ticker: SLP
- cik: 0001023459
- company_name: Simulations Plus, Inc.
- filed_at: 2025-04-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1023459/000162828025018292/0001628280-25-018292-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1023459/000162828025018292/slp-20250415.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-018292
- JSON: https://secwatch.observer/filing/0001628280-25-018292.json
- Plain text: https://secwatch.observer/filing/0001628280-25-018292.txt

## Key facts
- Auditor Changes
  Simulations Plus, Inc. engaged Grant Thornton LLP as its auditor.
  - Action: engagement
  - Auditor: Grant Thornton LLP
  source text: the Audit Committee approved the selection and appointment of Grant Thornton LLP (“Grant Thornton”) to audit the Company’s consolidated financial statements for the fiscal year ending August 31, 2025, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1023459/000162828025018292/0001628280-25-018292-index.htm
- Auditor Changes
  Simulations Plus, Inc. dismissed Rose, Snyder & Jacobs LLC as its auditor.
  - Action: dismissal
  - Auditor: Rose, Snyder & Jacobs LLC
  - Successor: Grant Thornton LLP
  source text: The Audit Committee approved the dismissal of Rose, Snyder & Jacobs LLC (“RSJ”) as the Company’s independent registered public accounting firm and dismissed RSJ on April 15, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1023459/000162828025018292/0001628280-25-018292-index.htm

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