---
schema_version: "secwatch.filing_event.v1"
accession: "0001824293-25-000079"
form_type: "8-K"
ticker: "GRI"
cik: "0001824293"
company_name: "GRI Bio, Inc."
filed_at: "2025-05-23T23:59:59+00:00"
generated_at: "2026-05-20T15:13:47.387968+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# GRI Bio increases ATM offering capacity by $1.76M after selling $4.55M previously

## Summary
- Filed prospectus supplement to increase maximum shares issuable under ATM to $1,758,934.
- Previously sold ~$4,546,137 in shares under May 2024 Sales Agreement with H.C. Wainwright.
- Total potential gross proceeds under the ATM program now approximately $6.3 million.
- Shares to be sold at market prices; proceeds for general corporate purposes.
- Legal opinion on share issuance from Mintz Levin attached as Exhibit 5.1.

## SEC filing metadata
- accession: 0001824293-25-000079
- form_type: 8-K
- ticker: GRI
- cik: 0001824293
- company_name: GRI Bio, Inc.
- filed_at: 2025-05-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1824293/000182429325000079/0001824293-25-000079-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1824293/000182429325000079/val-20250523.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001824293-25-000079
- JSON: https://secwatch.observer/filing/0001824293-25-000079.json
- Plain text: https://secwatch.observer/filing/0001824293-25-000079.txt

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