HRT Financial exits Aditxt, Inc. (ADTX) position after open-market buy and sell

Rhea-AI Filing Summary

HRT Financial LP, a ten percent owner of Aditxt, Inc., reported mixed trading in the company’s common stock. On June 4, 2026, it made an open-market purchase of 843,622 shares at $0.076 per share. On June 5, 2026, it executed an open-market sale of 735,462 shares at $0.062 per share. After these transactions, HRT Financial LP reported holding 0 shares of Aditxt common stock directly.

Insights

Equity market structure analyst

Large shareholder trades ADTX shares, ending with no direct holdings.

HRT Financial LP, identified as a ten percent owner, reported both buying and selling Aditxt, Inc. common stock on consecutive days. It purchased 843,622 shares at $0.076 on June 4, 2026, then sold 735,462 shares at $0.062 on June 5, 2026.

These are open-market transactions, which generally reflect active trading decisions rather than automatic grants or tax events. Despite a net share purchase across the two trades, the position reported after the sale is 0 shares held directly, indicating the reporting holder no longer has a direct common-stock position as of this filing.

For investors, this shows a former large shareholder actively trading and ultimately closing its direct holdings in Aditxt within this brief window. Actual implications for trading liquidity or sentiment depend on overall market context and other investors’ actions, which are not detailed here.

Insider Trade Summary

Net Buyer: 108,160 shares ($64,115)

Net Buy 2 txns

Insider HRT FINANCIAL LP

Role null

Bought 843,622 shs ($64K)

Sold 735,462 shs ($46K)

Type	Security	Shares	Price	Value
Sale	Common Stock	735,462	$0.062	$46K
Purchase	Common Stock	843,622	$0.076	$64K

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

Footnotes (1)

Key Figures

Open-market purchase: 843,622 shares at $0.076 Open-market sale: 735,462 shares at $0.062 Shares after transactions: 0 shares +1 more

4 metrics

Open-market purchase 843,622 shares at $0.076 Common Stock on June 4, 2026

Open-market sale 735,462 shares at $0.062 Common Stock on June 5, 2026

Shares after transactions 0 shares Direct Aditxt common stock holdings following June 5, 2026 sale

Net shares across trades 1,579,084 gross shares traded Sum of buy and sell share counts in this Form 4

Key Terms

ten percent owner, open-market purchase, open-market sale

3 terms

ten percent owner financial

"HRT Financial LP, a ten percent owner of Aditxt, Inc., reported mixed trading"

open-market purchase financial

"it made an open-market purchase of 843,622 shares at $0.076 per share"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

open-market sale financial

"it executed an open-market sale of 735,462 shares at $0.062 per share"

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^*

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)
06/04/2026

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	06/04/2026		P		843,622	A	$0.076	505,302	D
Common Stock	06/05/2026		S		735,462	D	$0.062	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	06/08/2026
	** 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 transactions did HRT Financial report for Aditxt (ADTX)?

HRT Financial LP reported an open-market purchase of 843,622 Aditxt shares at $0.076 on June 4, 2026, followed by an open-market sale of 735,462 shares at $0.062 on June 5, 2026, in Aditxt common stock.

Did HRT Financial LP increase or decrease its Aditxt (ADTX) holdings?

Across the reported trades, HRT Financial LP ended with 0 direct Aditxt shares. It bought 843,622 shares on June 4, 2026, then sold 735,462 shares on June 5, 2026, and reported no common-stock holdings after the sale.

What prices did HRT Financial trade Aditxt (ADTX) stock at in this Form 4?

HRT Financial LP bought Aditxt common stock at an average price of $0.076 per share on June 4, 2026, and sold shares at an average price of $0.062 per share on June 5, 2026, in open-market transactions.

What is HRT Financial LP’s ownership status in Aditxt (ADTX) after these trades?

Following the June 5, 2026 sale, HRT Financial LP reported holding 0 shares of Aditxt common stock directly. The Form 4 lists this firm as a ten percent owner, but shows no remaining direct common-stock position after the reported transactions.

Were the Aditxt (ADTX) transactions open-market trades or related to options?

Both reported Aditxt transactions are in non-derivative common stock and are classified as open-market purchase and open-market sale. The filing shows no derivative exercises or option-related activity in this set of transactions.