# EDGAR Filing Document

**Accession Number:** 0001824293
**File Stem:** 0001628279-25-000547
**Filing Date:** 2025-8
**Character Count:** 2720
**Document Hash:** 950775731cac680c7edd52c99c3af4a6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628279-25-000547.hdr.sgml**: 20260515

**ACCESSION NUMBER**: 0001628279-25-000547

**CONFORMED SUBMISSION TYPE**: DRSLTR

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250815

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GRI Bio, Inc.
- **CENTRAL INDEX KEY:** 0001824293
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 824369909
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DRSLTR

**BUSINESS ADDRESS:**
- **STREET 1:** 2223 AVENIDA DE LA PLAYA
- **STREET 2:** SUITE 208
- **CITY:** LA JOLLA
- **STATE:** CA
- **ZIP:** 92037
- **BUSINESS PHONE:** (619) 400-1171

**MAIL ADDRESS:**
- **STREET 1:** 2223 AVENIDA DE LA PLAYA
- **STREET 2:** SUITE 208
- **CITY:** LA JOLLA
- **STATE:** CA
- **ZIP:** 92037

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GRI BIO, Inc.
- **DATE OF NAME CHANGE:** 20230424

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Vallon Pharmaceuticals, Inc.
- **DATE OF NAME CHANGE:** 20200910

---

| | | |
|:---|:---|:---|
| **Melanie Ruthrauff Levy**<br>+1.858.314.1873<br>MRLevy@mintz.com | &nbsp;&nbsp;&nbsp;&nbsp;![logoa.jpg](logoa.jpg) | 3580 Carmel Mountain Road, Ste 300<br>San Diego, CA 92130<br>mintz.com |

---

August 15, 2025

**CONFIDENTIAL SUBMISSION**

**VIA EDGAR**

U.S. Securities and Exchange Commission

Division of Corporate Finance

100 F Street, NE Washington, DC 20549

**Re:&nbsp;&nbsp;&nbsp;&nbsp;Confidential Submission of GRI Bio, Inc. Draft Registration Statement on Form S-1**

Dear Ladies and Gentlemen:

On behalf of GRI Bio, Inc., a Delaware corporation (the "Company"), we are confidentially submitting a draft Registration Statement on Form S-1 (the "Registration Statement") to the staff of the Securities and Exchange Commission for confidential non-public review pursuant to the enhanced accommodations for issuers submitting draft registration statements announced by the Division of Corporation Finance on March 3, 2025. The Registration Statement submitted herewith relates to the Company's proposed offering of common stock and warrants. The Company will file its registration statement and nonpublic draft submission such that they are publicly available on the EDGAR system at least two business days prior to any requested effective time and date.

If you have any questions with respect to this confidential submission, please call me at

(858) 314-1873.

Very truly yours,

/s/ Melanie Ruthrauff Levy

Melanie Ruthrauff Levy

MRL

BOSTON LOS ANGELES MIAMI NEW YORK SAN DIEGO SAN FRANCISCO TORONTO WASHINGTON

MINTZ, LEVIN, COHN, FERRIS, GLOVSKY AND POPEO, P.C.