---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-020842"
form_type: "8-K"
ticker: "PPIH"
cik: "0000914122"
company_name: "Perma-Pipe International Holdings, Inc."
filed_at: "2024-06-21T23:59:59+00:00"
generated_at: "2026-06-01T03:10:18.065133+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Perma-Pipe dismisses Grant Thornton, appoints PwC as auditor for FY2025

## Summary
- Dismissed Grant Thornton effective June 17, 2024; appointed PricewaterhouseCoopers LLP for fiscal year ending Jan 31, 2025.
- Audit reports for FY2024 and FY2023 were unqualified; no disagreements or reportable events occurred.
- Material weaknesses in internal control over financial reporting previously disclosed did not cause misstatements.
- Grant Thornton provided a letter agreeing with the disclosures in the Form 8-K.

## SEC filing metadata
- accession: 0001437749-24-020842
- form_type: 8-K
- ticker: PPIH
- cik: 0000914122
- company_name: Perma-Pipe International Holdings, Inc.
- filed_at: 2024-06-21T23:59:59+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/914122/000143774924020842/0001437749-24-020842-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/914122/000143774924020842/ppih20240514c_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-020842
- JSON: https://secwatch.observer/filing/0001437749-24-020842.json
- Plain text: https://secwatch.observer/filing/0001437749-24-020842.txt

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