GRI Bio Inc.

Last updated September 27, 2026

Organization details

Legal name
GRI Bio Inc.
Former names
Vallon Pharmaceuticals, Inc.
Ownership
Public
Status
Active
Sector (GICS)
Health Care
SIC code
2834 — Pharmaceutical Preparations
Jurisdiction of incorporation
Delaware
Headquarters city
La Jolla
Headquarters state / province
California
Headquarters country
United States
Fiscal year end
December
Ticker symbol
GRI
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001824293
EIN
82-4369909

Board of directors

Chief executives

Walter Marc Hertz · Chief Executive Officer
Since April 2023

Director election results

Annual meeting of November 4, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

1 of this board's directors also sit on 1 other board. 1 is in the same sector.

Network of GRI Bio Inc.'s board connections Spruce Biosciences Inc. Spruce Biosciences Inc... Camilla Simpson V Camilla Simpson V GRI Bio Inc.
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$0
0 sales by 0 insiders
Date Insider Transaction Shares Price Value
Apr 21, 2023 Walter Marc Hertz Director, Officer (Chief Executive Officer), 10% owner Grant or award +385,510 — —
Apr 21, 2023 Agro Albert Officer (Chief Medical Officer) Grant or award +172,189 — —
Apr 21, 2023 Chaturvedi Vipin Officer (Chief Scientific Officer) Grant or award +172,189 — —

Organizations in the same sector, closest in location and size first.

Questions about GRI Bio Inc.

Who is the CEO of GRI Bio Inc.?

Walter Marc Hertz has been GRI Bio Inc.'s Chief Executive Officer since April 2023.

How many directors are on GRI Bio Inc.'s board?

GRI Bio Inc.'s board has 5 directors: Camilla Simpson V, David Charles Baker, David Leslie Szekeres, Roelof Rongen and Walter Marc Hertz.

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