Walter Marc Hertz
Chief Executive Officer, Director · GRI Bio, Inc.
Individual
- 2025
- Sep 18, 2025
- 2
Filings (90d)
Other insiders active in the same sector
No other insider has filed at Walter Marc Hertz's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- James E. Flynn - $70.87M in NUVL purchases and sales in the last 12 months
- RA CAPITAL MANAGEMENT, L.P. - $69.43M in VOR purchases and sales in the last 12 months
- Joaquin Duato - $66.84M in JNJ purchases and sales in the last 12 months
- Eric Venker - $65.62M in ROIV purchases and sales in the last 12 months
- EcoR1 Capital, LLC - $65.00M in TRAX purchases and sales in the last 12 months
- Forbion Growth Opportunities Fund III Cooperatief U.A. - $64.80M in BRVE purchases and sales in the last 12 months
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Frequently asked questions
Who is Walter Marc Hertz?
Walter Marc Hertz is a corporate insider, tracked as Chief Executive Officer, Director of GRI Bio, Inc. (GRI). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Walter Marc Hertz last file a Form 4?
The most recent primary Form 4 on record is dated 18 September 2025, one of 2 filings going back to 2025.