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Ernexa director holds 8K shares, 8K-share warrant

Ernexa Therapeutics Inc. (ERNA) reported the initial equity holdings of director David Polinsky.

(Neutral)
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Ernexa Therapeutics Inc. (ERNA) reported the initial equity holdings of director David Polinsky. He indirectly holds a warrant, through Polo3K, LLC, to purchase 8,000 shares of Common Stock at an exercise price of $17.00 per share, and indirectly holds 8,000 shares of Common Stock.

The warrant is scheduled to expire on February 10, 2031, but will instead expire earlier if triggered by clinical milestones: specifically, on the 180th calendar day following public release of clinical trial data from the first cohort of the Phase 1 study of ERNA-101.

Positive

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Negative

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Insider Polinsky David
Role Director
Type Security Shares Price Value
holding Warrant F1 -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Warrant — 8,000 contracts (Indirect, Through Polo3K, LLC); Common Stock — 8,000 shares (Indirect, Through Polo3K, LLC)
Footnotes (1)
  1. F1. The warrant will expire on the earlier of (i) the five (5)-year anniversary of the original issuance date or (ii) the 180th calendar day following the public release by the Company of clinical trial data from the first cohort of the Phase 1 study of ERNA-101.
Underlying shares for warrant 8,000 shares of Common Stock Underlying security shares for the reported warrant position held indirectly
Warrant exercise price $17.0000 per share Exercise price for the warrant on Ernexa Therapeutics Inc. Common Stock
Warrant scheduled expiration date 2031-02-10 Five-year anniversary of original issuance date, subject to earlier clinical-data trigger
Indirectly held Common Stock 8,000 shares Indirect Common Stock holdings through Polo3K, LLC following the reported holdings
Warrant financial
"The warrant will expire on the earlier of (i) the five (5)-year"
A warrant is a time-limited financial contract that gives its holder the right to buy a company's shares at a set price before a specified date, like a coupon that lets you purchase stock at a fixed discount for a limited time. It matters to investors because warrants offer leveraged exposure to a stock’s upside and can dilute existing shareholders if exercised, so they affect potential gains and the company’s outstanding share count.
underlying security financial
"underlying security shares of 8,000.0000 Common Stock"
Phase 1 study medical
"the first cohort of the Phase 1 study of ERNA-101"
A phase 1 study is the first stage of testing a new drug or medical treatment in people, focused primarily on safety, side effects and the right dose rather than proving effectiveness. Think of it as a short, closely monitored test drive that checks how the body tolerates the treatment and how it behaves inside the body; results matter to investors because positive safety and dosing data are needed before larger, more value-driving trials can begin.
clinical trial data medical
"following the public release by the Company of clinical trial data"
Clinical trial data are the collected results from organized studies that test a medical product, procedure or treatment in people, showing how well it works and what side effects occur. For investors, this information is like a detailed test drive report: strong, clear results increase the chance of regulatory approval and commercial success, while negative or mixed data raise development risk, potential delays and uncertainty about future revenue.

FAQ

Who is the reporting person in Ernexa Therapeutics Inc. (ERNA)'s Form 3?

The reporting person is David Polinsky, who is identified as a director of Ernexa Therapeutics Inc. The Form 3 reports his initial beneficial ownership in the company’s securities, held indirectly through an entity named Polo3K, LLC.

How many ERNA common shares does David Polinsky beneficially own indirectly?

David Polinsky indirectly beneficially owns 8,000 shares of Common Stock of Ernexa Therapeutics Inc., held through Polo3K, LLC. This position is reported as indirect ownership on the Form 3.

What warrant position in ERNA does David Polinsky report on Form 3?

He reports an indirect warrant position, through Polo3K, LLC, covering 8,000 underlying shares of Common Stock of Ernexa Therapeutics Inc. The warrant has an exercise price of $17.00 per share.

What is the exercise price of the warrant reported for ERNA?

The warrant reported by David Polinsky, held indirectly through Polo3K, LLC, has an exercise price of $17.00 per share for 8,000 underlying shares of Common Stock of Ernexa Therapeutics Inc.

When does the ERNA warrant held by Polo3K, LLC expire?

The warrant will expire on the earlier of February 10, 2031 (the five-year anniversary of the original issuance date) or the 180th calendar day following the public release of clinical trial data from the first cohort of the Phase 1 study of ERNA-101.

Is David Polinsky’s ownership in ERNA direct or indirect?

All reported holdings on this Form 3 are indirect. Both the warrant (covering 8,000 underlying shares) and the 8,000 shares of Common Stock are held through Polo3K, LLC, as indicated in the nature of ownership.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Polinsky David

(Last)(First)(Middle)
C/O ERNEXA THERAPEUTICS INC.
1035 CAMBRIDGE STREET, SUITE 18A

(Street)
CAMBRIDGE MASSACHUSETTS 02141

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
08/04/2026
3. Issuer Name and Ticker or Trading Symbol
Ernexa Therapeutics Inc. [ ERNA ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock8,000IThrough Polo3K, LLC
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Warrant02/10/202602/10/2031(1)Common Stock8,000$17IThrough Polo3K, LLC
Explanation of Responses:
1. The warrant will expire on the earlier of (i) the five (5)-year anniversary of the original issuance date or (ii) the 180th calendar day following the public release by the Company of clinical trial data from the first cohort of the Phase 1 study of ERNA-101.
/s/ David Polinsky08/27/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)