---
schema_version: "secwatch.filing_event.v1"
accession: "0000090168-23-000018"
form_type: "8-K"
ticker: "SIF"
cik: "0000090168"
company_name: "SIFCO INDUSTRIES INC"
filed_at: "2023-04-19T23:59:59+00:00"
generated_at: "2026-06-17T00:12:09.015574+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# SIFCO Industries auditor Grant Thornton LLP resigns effective April 13, 2023

## Summary
- Grant Thornton LLP resigned as SIFCO's independent auditor on April 13, 2023, not at the request of the company.
- No disagreements or reportable events occurred during fiscal 2022, 2021, or subsequent periods through resignation.
- GT's audit reports for the past two fiscal years were unqualified and contained no adverse opinions or modifications.
- Audit Committee and Board did not participate in GT's decision to resign.

## SEC filing metadata
- accession: 0000090168-23-000018
- form_type: 8-K
- ticker: SIF
- cik: 0000090168
- company_name: SIFCO INDUSTRIES INC
- filed_at: 2023-04-19T23:59:59+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/90168/000009016823000018/0000090168-23-000018-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/90168/000009016823000018/sif-20230413.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000090168-23-000018
- JSON: https://secwatch.observer/filing/0000090168-23-000018.json
- Plain text: https://secwatch.observer/filing/0000090168-23-000018.txt

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