---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-031889"
form_type: "8-K"
ticker: "RR"
cik: "0001963685"
company_name: "RICHTECH ROBOTICS INC."
filed_at: "2026-03-19T23:59:59+00:00"
generated_at: "2026-05-15T09:42:58.077937+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Richtech Robotics dismisses auditor Bush & Associates, engages CBIZ; cites material weakness in internal controls

## Summary
- Dismissed Bush & Associates as independent auditor effective March 17, 2026; engaged CBIZ for FY 2026 audit and Q1/Q2 reviews.
- No disagreements with former auditor; however, Bush identified a material weakness in internal controls over financial reporting for FY 2025.
- Material weakness related to controls over complex accounting judgments and transaction processing; disclosed in FY 2025 10-K.
- Management implemented remedial measures including enhanced controls and oversight; no assurance of effectiveness.
- Auditor change approved by Audit Committee and Board; Bush to respond fully to successor's inquiries.

## SEC filing metadata
- accession: 0001213900-26-031889
- form_type: 8-K
- ticker: RR
- cik: 0001963685
- company_name: RICHTECH ROBOTICS INC.
- filed_at: 2026-03-19T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1963685/000121390026031889/0001213900-26-031889-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1963685/000121390026031889/ea0282662-8k_richtech.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-031889
- JSON: https://secwatch.observer/filing/0001213900-26-031889.json
- Plain text: https://secwatch.observer/filing/0001213900-26-031889.txt

## Key facts
- Auditor Changes
  RICHTECH ROBOTICS INC. dismissed Bush & Associates CPA LLC as its auditor.
  - Action: dismissal
  - Auditor: Bush & Associates CPA LLC
  source text: On March 17, 2026 (the “ Dismissal Date ”), Richtech Robotics Inc. (the “ Company ”) terminated Bush & Associates CPA LLC (“ Bush & Associates ”) as its independent registered public accounting firm for the Company. The termination was approved by the Audit Committee (the “ Committee ”) of the Board of Directors (the “ Board ”) and the Board of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1963685/000121390026031889/0001213900-26-031889-index.htm
- Auditor Changes
  RICHTECH ROBOTICS INC. engaged CBIZ CPAs P.C. as its auditor.
  - Action: engagement
  - Auditor: CBIZ CPAs P.C.
  source text: nd ratified by the Committee and the Board, the Company engaged CBIZ CPAs P.C. (“ CBIZ ”) as the Company’s independent public accounting firm to audit the Company’s financial statements for the fiscal year ending September 30, 2026 and to review the
  evidence_url: https://www.sec.gov/Archives/edgar/data/1963685/000121390026031889/0001213900-26-031889-index.htm

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