Hertz Walter Marc
SEC insider (Form 3/4/5 filer). CIK 0001971132. Chief Executive Officer at GRI Bio, Inc. (GRI). 3 reported Form 4/5 transactions since Sep 2024; latest on Sep 18, 2025. Located in LA JOLLA, CA.
Companies Hertz Walter Marc has filed insider reports for
- GRI Bio, Inc. (GRI): Director, Officer, Chief Executive Officer
Hertz Walter Marc
CIK: 0001971132
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)3 (100.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
GRI
GRI Bio, Inc.
DirectorOfficer
Discretionary Trading P&L
Holdings
Transaction History (3 total)
- Sep 18, 2025GRI
GRI Bio, Inc.
AwardDirectStock Option (Right to Buy)
103.1K shares- - Aug 26, 2025GRI
GRI Bio, Inc.
AwardDirectStock Option (Right to Buy)
26.7K shares- - Jan 23, 2025GRI
GRI Bio, Inc.
AwardDirectStock Option (Right to Buy)
129.7K shares at avg. $0.69-
1-3 of 3 transactions