John D. Halpern - Significant Ownership

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

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 Mar 31, 2025

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

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