Filing Manager
HALPERN JOHN D
Reporting Manager
John D. Halpern
Symbol
ERNA
Shares outstanding
51.4M shares
Disclosed Ownership
5.14M shares
Ownership
9.99%
Form type
SCHEDULE 13G/A
Date filed
2/14/2025, 08:36 PM
Date of event
Oct 29, 2024
Next filing
May 15, 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
John D. Halpern 9.99% 5.14M 0 5.14M /s/ John D. Halpern John D. Halpern
Katherine H. Halpern 9.99% 5.14M 0 5.14M /s/ Katherine H. Halpern Katherine H. Halpern