13D/13G Filings - John D. Halpern

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2025-05-15
9:13 pm
Purchase
2025-03-31 13G Eterna Therapeutics Inc.
ERNA
John D. Halpern 398,122
9.600%
55,683increase
(+16.26%)
Filing
History
2025-02-14
8:36 pm
Purchase
2024-10-29 13G Eterna Therapeutics Inc.
ERNA
John D. Halpern 342,439
9.990%
342,439increase
(New Position)
Filing
History
2024-01-31
07:05 am
Purchase
2023-12-31 13G Eterna Therapeutics Inc.
ERNA
John D. Halpern 36,726
9.990%
6,574increase
(+21.80%)
Filing
History
2023-01-31
4:05 pm
Purchase
2023-01-31 13G Eterna Therapeutics Inc.
ERNA
John D. Halpern 30,152
8.800%
74increase
(+0.25%)
Filing
History
2022-12-05
5:20 pm
Sale
2022-12-02 13G Eterna Therapeutics Inc.
ERNA
John D. Halpern 30,078
8.800%
-286,405decrease
(-90.50%)
Filing
History
2021-05-24
1:03 pm
Purchase
2021-03-25 13G Eterna Therapeutics Inc.
ERNA
John D. Halpern 15,824
11.400%
15,824increase
(New Position)
Filing
History