David Leslie Szekeres - Aug 26, 2025 Form 4 Insider Report for GRI Bio, Inc. (GRI)

Role: Director
Signature: /s/ Leanne Kelly, Attorney-in-Fact
Stock symbol: GRI
Transactions as of: Aug 26, 2025
Transactions value $: $0
Form type: 4
Date filed: 8/27/2025, 08:25 AM
Previous filing: Aug 14, 2025
Next filing: Sep 22, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Szekeres David Leslie	Director	C/O GRI BIO, INC., 2223 AVENIDA DE LA PLAYA, SUITE 208, LA JOLLA	/s/ Leanne Kelly, Attorney-in-Fact	2025-08-26	0001602459

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	GRI	Stock Option (Right to Buy)	Award	$0	+10.3K		$0.00	10.3K	Aug 26, 2025	Common Stock	10.3K	$1.41	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Options to purchase 6,933 shares vested in full upon the date of grant and options to purchase 3,343 shares will vest in four substantially equal quarterly installments such that the stock option is fully vested on the first anniversary of the date of grant.