HRT Financial LP exits Aditxt (ADTX) with 2,833,463-share open-market sale

Rhea-AI Filing Summary

HRT Financial LP, a reported ten percent owner of Aditxt, Inc., completed an open-market sale of 2,833,463 shares of common stock at $0.014 per share on June 11, 2026. After this transaction, the filing shows HRT Financial LP holding no Aditxt shares directly.

Positive

• None.

Negative

• Large shareholder exit: HRT Financial LP, reported as a ten percent owner, sold 2,833,463 Aditxt common shares at $0.014, leaving zero reported direct holdings after the transaction.

Insights

Insider transactions analyst

Large holder sells 2.8M Aditxt shares, reducing position to zero.

The filing shows HRT Financial LP, identified as a ten percent owner, executing an open-market sale of 2,833,463 Aditxt common shares at $0.014 per share. This is a strong-signal transaction because it is an open-market sale rather than a grant, tax withholding, or restructuring.

Following the sale, reported direct holdings fall to 0 shares, indicating a complete exit of this visible position in Aditxt stock. There are no remaining derivative positions listed, so the transaction appears to close out the holder’s exposure as reflected in this filing.

The filing does not reference any Rule 10b5-1 trading plan or pre-arranged structure in the provided excerpt, so the timing appears discretionary based on this information alone. Future company filings may provide additional context on changes in major shareholder ownership.

Insider Trade Summary

Net Seller: 2,833,463 shares ($39,668)

Net Sell 1 txn

Insider HRT FINANCIAL LP

Role null

Sold 2,833,463 shs ($40K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,833,463	$0.014	$40K

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

Footnotes (1)

Key Figures

Shares sold: 2,833,463 shares Sale price: $0.014 per share Post-transaction holdings: 0 shares +2 more

5 metrics

Shares sold 2,833,463 shares Open-market sale on June 11, 2026

Sale price $0.014 per share Price for Aditxt common stock sold

Post-transaction holdings 0 shares Total Aditxt shares held directly after sale

Transaction code S Sale in open market or private transaction

Net share change -2,833,463 shares Net buy/sell direction reported as net-sell

Key Terms

open-market sale, Form 4, ten percent owner, non-derivative

4 terms

open-market sale financial

"classified as an open-market sale of Aditxt 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.

Form 4 regulatory

"reported on a Form 4 insider transaction filing"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

ten percent owner regulatory

"HRT Financial LP is identified as a ten percent owner"

non-derivative financial

"transaction type is listed as non-derivative common stock"

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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^*

HRT FINANCIAL LP

(Last) (First) (Middle)

3 WORLD TRADE CENTER, 175 GREENWICH STRE

76TH FLOOR

(Street)

NEW YORK NEW YORK 10007

(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)
06/08/2026

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
Common Stock	06/11/2026		S		2,833,463	D	$0.014	0	D

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

Explanation of Responses:

	Adam Nunes	06/12/2026
	** 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 HRT Financial LP report for Aditxt (ADTX)?

HRT Financial LP reported an open-market sale of 2,833,463 Aditxt common shares at $0.014 per share. This single transaction on June 11, 2026 reduced its reported direct holdings in Aditxt stock to zero shares according to the Form 4.

At what price were Aditxt (ADTX) shares sold by HRT Financial LP?

The shares were sold at $0.014 per Aditxt common share. This price applies to all 2,833,463 shares reported in the transaction, indicating a sizable open-market sale by a previously reported ten percent owner of the company.

How many Aditxt (ADTX) shares did HRT Financial LP hold after the sale?

After the transaction, the filing shows HRT Financial LP holding zero Aditxt common shares directly. The Form 4’s post-transaction figure is 0 shares, and no remaining derivative positions are listed in the derivative summary section.

Was the HRT Financial LP Aditxt (ADTX) trade an open-market sale?

Yes. The Form 4 classifies the transaction as an open-market sale of common stock. The transaction code is “S,” and the description states it is a sale in open market or private transaction, with 2,833,463 shares sold at $0.014 each.

Does the HRT Financial LP Form 4 mention any trading plan for Aditxt (ADTX)?

The provided Form 4 excerpt does not indicate that the transaction was made under a Rule 10b5-1 trading plan. It simply reports an open-market sale of 2,833,463 shares, with no additional footnote detail about pre-arranged trading arrangements.