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% $1.25M $175K 5.97M +16.3% John D. Halpern 31 Mar 2025

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.