Major Aditxt (ADTX) shareholders exit 100,000-share position in open-market sale

Rhea-AI Filing Summary

Aditxt, Inc. disclosed that major shareholders Sandie Gong and spouse Devon Xin Xu reported an open-market sale of 100,000 shares of Common Stock on June 9, 2026 at a weighted average price of $0.0688 per share.

The sale, executed in multiple trades between $0.068 and $0.074, reduced the reported direct holdings for this account to zero shares. The securities were held in a brokerage account of Sandie Gong, with Xu holding trading authorization and being deemed a beneficial owner of the same shares.

Positive

• None.

Negative

• Significant shareholder sale: A brokerage account associated with ten percent owners Sandie Gong and Devon Xin Xu sold 100,000 Aditxt common shares in the open market, reducing its reported holdings in this security to zero.

Insights

Equity ownership and governance analyst

A 10% holder exited a 100,000‑share position in Aditxt.

The filing shows an open-market sale of 100,000 Aditxt common shares at a weighted average of $0.0688 on June 9, 2026. The account was held by Sandie Gong, with spouse Devon Xin Xu having trading authorization and being deemed a beneficial owner.

Both reporting persons are identified as ten percent owners, and the transaction brought this brokerage account’s reported holdings to zero shares. This indicates a full exit from this specific position, although the filing does not address any other potential holdings or broader ownership structure beyond this account.

The trades occurred over a price range from $0.068 to $0.074. No remaining derivative positions are listed, and there is no reference to a Rule 10b5‑1 trading plan, so the economic significance depends on how this stake compares with Aditxt’s total outstanding shares, which is not detailed in this excerpt.

Insider Trade Summary

Net Seller: 100,000 shares ($6,880)

Net Sell 1 txn

Insider Gong Sandie, Xu Devon Xin

Role null | null

Sold 100,000 shs ($7K)

Type	Security	Shares	Price	Value
Sale	Common Stock	100,000	$0.0688	$7K

Holdings After Transaction: Common Stock — 0 shares (Direct, null)

Footnotes (1)

1. The price reported represents the weighted average sale price. The reported shares were sold in multiple transactions at prices ranging from $.068 to $.074. The Reporting Persons undertake to provide, upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. The reported securities were held directly in a brokerage account of Sandie Gong. Devon Xu is the spouse of Sandie Gong and holds trading authorization over the brokerage account in which the reported securities were held, and accordingly may be deemed to have beneficially owned the reported securities.

Key Figures

Shares sold: 100,000 shares Weighted average sale price: $0.0688 per share Price range: $0.068–$0.074 per share +2 more

5 metrics

Shares sold 100,000 shares Open-market sale of Aditxt Common Stock on June 9, 2026

Weighted average sale price $0.0688 per share Average price across reported June 9, 2026 transactions

Price range $0.068–$0.074 per share Range of prices for the multiple sale transactions

Shares after transaction 0 shares Total shares directly held in the reported brokerage account after sale

Net buy/sell direction Net sell of 100,000 shares Form 4 transactionSummary for June 9, 2026

Key Terms

weighted average sale price, beneficially owned, ten percent owner, open-market sale

4 terms

weighted average sale price financial

"The price reported represents the weighted average sale price."

beneficially owned regulatory

"accordingly may be deemed to have beneficially owned the reported securities."

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

ten percent owner regulatory

"Both reporting persons are identified as ten percent owners."

open-market sale financial

"reported an open-market sale of 100,000 shares of Common Stock"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

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Form 4 Insider Transactions: What Each Field Means →

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

X

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^*

Gong Sandie

(Last) (First) (Middle)

398 SACKETT ST

UNIT 2

(Street)

BROOKLYN NEW YORK 11231

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Aditxt, Inc. [ ADTX ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/09/2026

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

	Form filed by One Reporting Person
X	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
Common Stock	06/09/2026		S		100,000	D	$0.0688(1)	0(2)	D(2)

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

1. Name and Address of Reporting Person^*

Gong Sandie

(Last) (First) (Middle)

398 SACKETT ST

UNIT 2

(Street)

BROOKLYN NEW YORK 11231

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Xu Devon Xin

(Last) (First) (Middle)

398 SACKETT ST

UNIT 2

(Street)

BROOKLYN NEW YORK 11231

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. The price reported represents the weighted average sale price. The reported shares were sold in multiple transactions at prices ranging from $.068 to $.074. The Reporting Persons undertake to provide, upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

2. The reported securities were held directly in a brokerage account of Sandie Gong. Devon Xu is the spouse of Sandie Gong and holds trading authorization over the brokerage account in which the reported securities were held, and accordingly may be deemed to have beneficially owned the reported securities.

Remarks:

The Reporting Persons acquired the securities reported on the Reporting Persons' Form 3 on June 9, 2026 and disposed of all such securities on the same trading day in the transaction reported herein. As of the date of this filing, the Reporting Persons beneficially own no securities of the Issuer and are no longer subject to Section 16 of the Securities Exchange Act of 1934 with respect to the Issuer.

	/s/ Sandie Gong	06/10/2026
	/s/ Devon Xin Xu	06/10/2026
	** 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)

FAQ

What insider transaction did Aditxt (ADTX) report in this Form 4?

Aditxt reported an open-market sale of 100,000 shares of Common Stock on June 9, 2026, at a weighted average price of $0.0688 per share, by a brokerage account associated with ten percent owners Sandie Gong and Devon Xin Xu.

Who sold Aditxt (ADTX) shares and how were the holdings structured?

The reported securities were held directly in a brokerage account of Sandie Gong. Her spouse, Devon Xin Xu, holds trading authorization over that account and may be deemed to have beneficially owned the same Aditxt shares under SEC beneficial ownership rules.

How many Aditxt (ADTX) shares were sold and at what price range?

The filing shows 100,000 Aditxt Common Stock shares sold in multiple transactions at prices ranging from $0.068 to $0.074 per share, with a weighted average sale price of approximately $0.0688 per share across all reported trades.

What was the share balance after the reported Aditxt (ADTX) insider sale?

Following the June 9, 2026 transaction, the brokerage account’s reported direct holdings of Aditxt Common Stock were reduced to zero shares, indicating a complete exit from this specific reported equity position for that account in the company.

Are Sandie Gong and Devon Xin Xu major shareholders of Aditxt (ADTX)?

Both reporting persons in the Form 4 are identified as ten percent owners of Aditxt. The filing ties this specific 100,000‑share position to a brokerage account of Sandie Gong, with Xu having trading authorization and being deemed a beneficial owner of those shares.

Was the Aditxt (ADTX) insider sale done under a Rule 10b5-1 plan?

The provided Form 4 excerpt does not mention any Rule 10b5‑1 trading plan. The footnotes focus on the weighted average sale price, the transaction price range, and the brokerage account and beneficial ownership relationship between Sandie Gong and Devon Xin Xu.