Significant Ownership of John D. Halpern

Summary
This page shows a list of all the recent SCHEDULE 13D/G filings made by John D. Halpern.

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Significant Ownership of John D. Halpern

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
ERNA Eterna Therapeutics Inc. Common Stock, par value $0.005 per share 9.6% $1,254,084 +$175,402 5,971,830 +16% John D. Halpern 31 Mar 2025
ERNA Ernexa Therapeutics Inc. Common Stock, par value $0.005 per share 5.6% $13,350 66,751 John D. Halpern 10 Feb 2026

Schedules 13D/G Reported by John D. Halpern:

Sym Target Class Ownership Change Current Shares Change Value Reporting name Form Report Period Filing Date
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
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