---
schema_version: "secwatch.filing_event.v1"
accession: "0001824293-25-000058"
form_type: "8-K"
ticker: "GRI"
cik: "0001824293"
company_name: "GRI Bio, Inc."
filed_at: "2025-04-16T23:59:59+00:00"
generated_at: "2026-05-23T13:40:25.111019+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# GRI Bio dismisses auditor Sadler Gibb, appoints WithumSmith+Brown as new independent accountant.

## Summary
- Audit Committee dismissed Sadler Gibb on April 11, 2025; no disagreements on accounting principles or practices.
- Previously reported material weakness in internal control over warrant accounting; no restatements required.
- Sadler's reports for FY2024 and FY2023 included a going concern explanatory paragraph but no adverse opinion.
- WithumSmith+Brown appointed as independent registered public accounting firm for FY2025.
- Sadler furnished a letter to the SEC, filed as Exhibit 16.1, agreeing with the company's disclosures.

## SEC filing metadata
- accession: 0001824293-25-000058
- form_type: 8-K
- ticker: GRI
- cik: 0001824293
- company_name: GRI Bio, Inc.
- filed_at: 2025-04-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1824293/000182429325000058/0001824293-25-000058-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1824293/000182429325000058/val-20250411.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001824293-25-000058
- JSON: https://secwatch.observer/filing/0001824293-25-000058.json
- Plain text: https://secwatch.observer/filing/0001824293-25-000058.txt

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