Company Analysis

Ernexa Therapeutics Inc. (ERNA)

Nasdaq: ERNA · Pharmaceutical Preparations · Cambridge, MA · filing with the SEC since 1994
Grade3.0
◀ Past 1.2● Present 1.7▶ Future 5.1
2 est.

Who owns Ernexa Therapeutics Inc.

As filed with the SEC
Holders of 5% or more
5
Charles Cherington holds 34.7% of Common Stock, par value $0.005 per share, as its SCHEDULE 13D/A filed Feb 17, 2026 says.
Directors and officers
9
report now, of 41 people on the record since 2008. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 5 named at left.
Holders of 5% or moreshare of the class, as filed
Charles Cherington
SCHEDULE 13D/A · filed Feb 17, 2026 · Common Stock, par value $0.005 per share · 37.9% in Jun 11, 2025
34.7%
Freebird Partners LP
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock, par value $0.005 per share · 9.9% in Dec 19, 2025
9.9%
Shameek Konar
SCHEDULE 13G/A · filed May 13, 2026 · Common Stock, par value $0.005 per share · 7.12% in Dec 16, 2025
9.7%
Bleichroeder LP
6.86%
John D. Halpern
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock, par value $0.005 per share · 9.6% in May 15, 2025
5.6%
Nicholas Jason Singer
SCHEDULE 13G/A · filed Feb 14, 2025 · Common stock, par value $0.005 per share · reported falling below 5%
under 5%
Iaf, LLC
SCHEDULE 13G/A · filed Aug 18, 2025 · Common Stock, par value $0.005 per share · reported falling below 5%, from 5.2% in May 14, 2025
under 5%
Clear Street LLC
SCHEDULE 13G/A · filed May 20, 2026 · Common Stock · reported falling below 5%, from 12.8% in May 14, 2026
under 5%
What ERNA reports owning in othersstakes of 5% or more, and other ties

1 subsidiary in 1 country, from the list filed with the 10-K filed Mar 14, 2024.

Insider tradesForm 4
0sales
1purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$2.0Mbought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
161719202122242526
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window1 of 48 on the roster
PersonRole as filedSalesSoldOn a planBuysBought
Cherington Charlesdirector0$001$2.0M
SI Assistanton ERNA · research, not advice