HRT Financial LP reports insider stake in Aditxt, Inc. (ADTX) on Form 3

Rhea-AI Filing Summary

HRT Financial LP has filed an initial ownership report for Aditxt, Inc. The Form 3 shows HRT Financial as a ten percent owner, directly holding 133,574 Class A Shares following the reported date. The filing records this ownership position rather than any new share purchase or sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider HRT FINANCIAL LP

Role null

Type	Security	Shares	Price	Value
holding	Class A Shares	--	--	--

Holdings After Transaction: Class A Shares — 133,574 shares (Direct, null)

Footnotes (1)

Key Figures

Class A Shares owned: 133,574 shares Insider status: Ten percent owner Reported transactions: 0 buy / 0 sell

3 metrics

Class A Shares owned 133,574 shares Total shares directly owned following reported date on Form 3

Insider status Ten percent owner HRT Financial LP classification in Aditxt, Inc. Form 3

Reported transactions 0 buy / 0 sell Form 3 transaction summary shows no recorded purchases or sales

Key Terms

Form 3, ten percent owner, beneficial ownership, Class A Shares

4 terms

Form 3 regulatory

"HRT Financial LP has filed an initial ownership report for Aditxt, Inc."

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

ten percent owner regulatory

"The Form 3 shows HRT Financial as a ten percent owner"

beneficial ownership regulatory

"This is an initial beneficial ownership report"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Class A Shares financial

"directly holding 133,574 Class A Shares following the reported date"

Class A shares are one of a company’s distinct types of stock that come with a specific set of rights—commonly different voting power, dividend treatment, or transfer rules—defined in the company’s charter. Investors care because those rights affect control, income and resale value; like holding a seat at a table that has different rules or stronger chips than other seats, owning Class A changes how much influence and return you can expect.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED 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^*

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. Date of Event Requiring Statement (Month/Day/Year)
04/21/2026

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

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)

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

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

X	Form 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)
Class A Shares	133,574	D

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 Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	Adam Nunes	04/23/2026
	** 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 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)

FAQ

What does HRT Financial LP’s Form 3 filing mean for Aditxt (ADTX)?

The Form 3 shows HRT Financial LP as a ten percent owner of Aditxt, Inc., directly holding 133,574 Class A Shares. This is an initial beneficial ownership report, indicating a significant stake but not documenting a new transaction.

How many Aditxt (ADTX) shares does HRT Financial LP report owning?

HRT Financial LP reports direct ownership of 133,574 Class A Shares of Aditxt, Inc. This figure reflects total shares held following the reported date in the Form 3 and represents its disclosed beneficial ownership position in the company.

Does HRT Financial LP’s Form 3 show recent buying or selling of ADTX shares?

The Form 3 functions as an initial ownership statement and does not show any specific buy or sell transaction. It instead reports HRT Financial LP’s existing direct holding of 133,574 Class A Shares in Aditxt, Inc. as a ten percent owner.

What type of security does HRT Financial LP hold in Aditxt (ADTX)?

HRT Financial LP holds Class A Shares of Aditxt, Inc., with a reported total of 133,574 shares owned directly. The Form 3 filing simply categorizes and discloses this equity position as beneficial ownership in the company.

Why is HRT Financial LP classified as a ten percent owner of Aditxt (ADTX)?

In the Form 3, HRT Financial LP is identified as a ten percent owner of Aditxt, Inc. This status reflects that its reported holdings, including 133,574 Class A Shares, meet the regulatory threshold requiring insider ownership disclosure.