Key facts
- John D. Halpern filed SCHEDULE 13G/A for Eterna Therapeutics Inc. Common Stock, par value $0.005 per share (ERNA).
- Disclosed ownership: 9.6%.
- Date of event: 31 Mar 2025.
John D. Halpern - 31 Mar 2025 SCHEDULE 13G/A Report for Eterna Therapeutics Inc. Common Stock, par value $0.005 per share (ERNA)
- Filing Manager
- John D. Halpern
- Reporting Manager
- John D. Halpern
- Symbol
- ERNA
- Shares outstanding
- 62,206,563 shares
- Disclosed Ownership
- 5,971,830 shares
- Ownership
- 9.6%
- Form type
- SCHEDULE 13G/A
- Filing time
- 15 May 2025, 21:13:43 UTC
- Date of event
- 31 Mar 2025
- Previous filing
- 14 Feb 2025
- SEC
- View on sec.gov
Key filing fact
John D. Halpern disclosed 9.6% ownership in Eterna Therapeutics Inc. Common Stock, par value $0.005 per share (ERNA) on 31 Mar 2025.
Change
- Previous schedule filing date: 14 Feb 2025.
- Current filing was accepted on 15 May 2025, 21:13.
Research use
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Reporting managers (2)
Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| John D. Halpern | 9.6% | 5,971,830 | 0 | 5,971,830 | /s/ John D. Halpern | John D. Halpern | |
| Katherine H. Halpern | 9.6% | 5,971,830 | 0 | 5,971,830 | /s/ Katherin H. Halpern | Katherine H. Halpern |
CIK / CUSIP context first