Ernexa director granted options for 5,944 shares

Ernexa Therapeutics Inc. (ERNA) reported that director Elena Ratner received a grant of stock options covering 5,944 shares of common stock at an exercise price of $4.57 per share.

Rhea-AI Filing Summary

Ernexa Therapeutics Inc. (ERNA) reported that director Elena Ratner received a grant of stock options covering 5,944 shares of common stock at an exercise price of $4.57 per share. Subject to continued service, one-third of the option vests on the first anniversary of the grant date, with the remaining two-thirds vesting in 24 substantially equal monthly installments through August 31, 2036.

Insider Trade Summary

Grant/Award: 5,944 shares

Grant/Award 1 txn

Insider Ratner Elena

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to buy) F1	5,944	$0.00	$0.00

Holdings After Transaction: Stock Option (Right to buy) — 5,944 contracts (Direct)

Footnotes (1)

1. F1. Subject to continued service, one-third of the shares underlying the stock option will vest on the first anniversary of the grant date, and the remaining shares underlying the stock option will vest in 24 substantially equal monthly installments thereafter.

Key Figures

Stock options granted: 5,944 shares Exercise price: $4.57 per share Shares underlying option after transaction: 5,944 shares +2 more

5 metrics

Stock options granted 5,944 shares Stock Option (Right to buy) grant to director Elena Ratner on 2026-08-31

Exercise price $4.57 per share Conversion or exercise price for the 5,944-share stock option grant

Shares underlying option after transaction 5,944 shares Total stock options held from this award following the grant

Expiration date 2036-08-31 Expiration date of the reported stock option grant

Initial vesting tranche One-third of 5,944 shares Vests on first anniversary of grant date, subject to continued service

Key Terms

Stock Option (Right to buy), exercise price, vesting, grant date

4 terms

Stock Option (Right to buy) financial

"security_title: Stock Option (Right to buy)"

exercise price financial

"conversion or exercise price of $4.5700 per share"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

vesting financial

"shares underlying the stock option will vest on the first anniversary"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

grant date financial

"on the first anniversary of the grant date"

The grant date is the day a company formally gives an employee or contractor the right to receive stock-based compensation, such as stock options or restricted shares. It matters to investors because it fixes key terms—like the price, the start of the ownership clock, and when the award will affect the company’s financial statements and share count—so it can influence dilution, reported expenses, and potential future selling pressure.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did ERNA director Elena Ratner report on this Form 4?

Elena Ratner reported a grant of stock options for 5,944 shares of Ernexa Therapeutics Inc. common stock, with an exercise price of $4.57 per share. This is a compensation-related award rather than an open-market purchase or sale.

What is the exercise price of the stock options granted to Elena Ratner at ERNA?

The stock options granted to Elena Ratner have an exercise price of $4.57 per share. She can acquire Ernexa Therapeutics Inc. common stock at this price upon exercise of the options, subject to the vesting schedule and option terms.

How many ERNA shares underlie the stock options granted to Elena Ratner?

The stock option grant to Elena Ratner covers 5,944 shares of Ernexa Therapeutics Inc. common stock. Following this grant, she holds 5,944 stock options of this award, all reported as directly owned.

What is the vesting schedule for Elena Ratner’s ERNA stock option grant?

Subject to continued service, one-third of the shares underlying the stock option will vest on the first anniversary of the grant date. The remaining shares will then vest in 24 substantially equal monthly installments thereafter.

When do Elena Ratner’s ERNA stock options expire?

The reported stock options granted to Elena Ratner are scheduled to expire on August 31, 2036, if not earlier exercised or forfeited according to their terms and her continued service with Ernexa Therapeutics Inc.

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

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Available on EDGAR 09/01/2026 - 09:47 PM EDT Accepted by SEC EDGAR 09/01/2026 - 09:47 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Ratner Elena

(Last) (First) (Middle)

C/O ERNEXA THERAPEUTICS INC.

1035 CAMBRIDGE STREET, SUITE 18A

(Street)

CAMBRIDGE MASSACHUSETTS 02141

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Ernexa Therapeutics Inc. [ ERNA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/31/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to buy)	$4.57	08/31/2026		A		5,944		(1)	08/31/2036	Common Stock	5,944	$0	5,944	D

Explanation of Responses:

1. Subject to continued service, one-third of the shares underlying the stock option will vest on the first anniversary of the grant date, and the remaining shares underlying the stock option will vest in 24 substantially equal monthly installments thereafter.

	/s/ Sanjeev Luther, Attorney-in-Fact	09/01/2026
	** Signature of Reporting Person	Date
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 4 (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 4: SEC 1474 (03-26)