NEBIUS Group (NBIS) affiliate files Form 144 to sell shares

NEBIUS GROUP NV reported proposed sales of Class A Ordinary Shares on 05/04/2026 via Citigroup Global Markets.

Rhea-AI Filing Summary

NEBIUS GROUP NV reported proposed sales of Class A Ordinary Shares on 05/04/2026 via Citigroup Global Markets. The filing lists multiple past sales by Elena Bunina on dates in 2026 with specific share counts and gross proceeds for each transaction.

Insights

Securities Compliance Attorney

Routine Form 144 notice of proposed affiliate sales; disclosure-focused, not a trade execution confirmation.

The filing lists proposed and recent dispositions of Class A ordinary shares by an affiliate through a broker. Form 144 notifies the SEC of intended sales when resale conditions apply; it does not itself execute trades.

Timing and settlement details are not included in the excerpt; subsequent transaction reports would confirm actual market sales.

Key Figures

Proposed sale date: 05/04/2026 Sale example 1: 16,442 shares Proceeds example 1: $2,092,047.50 +4 more

7 metrics

Proposed sale date 05/04/2026 Form 144 proposed sale filing date

Sale example 1 16,442 shares Disposition on 03/16/2026 by Elena Bunina

Proceeds example 1 $2,092,047.50 Gross amount reported for 03/16/2026 sale

Sale example 2 35,044 shares Disposition on 02/23/2026 by Elena Bunina

Proceeds example 2 $3,466,842.50 Gross amount reported for 02/23/2026 sale

Additional sale 9,984 shares Disposition on 03/11/2026 by Elena Bunina

Proceeds example 3 $1,098,240.00 Gross amount reported for 03/11/2026 sale

Key Terms

Form 144, Restricted Stock Awards, Class A Ordinary Shares, Compensation

4 terms

Form 144 regulatory

"Form 144 notice of proposed sale by affiliate"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Awards financial

"05/04/2026 | RESTRICTED STOCK AWARDS"

Restricted stock awards are company shares given to employees or executives that cannot be sold or transferred until certain conditions — like staying with the company for a set time or meeting performance targets — are met, like a gift that is locked in a safe until rules are satisfied. Investors care because these awards tie management’s pay to company performance, can increase the number of shares outstanding when they become tradable (dilution), and may signal expected future selling pressure or commitment to long-term growth.

Class A Ordinary Shares financial

"CLASS A ORDINARY SHARES | Citigroup Global Markets"

Class A ordinary shares are a type of ownership stake in a company that typically grants voting rights to shareholders, allowing them to have a say in important company decisions. They often come with priority in receiving dividends or profits, making them attractive to investors seeking influence and potential income. These shares help distinguish different levels of ownership and rights within a company's stock structure.

Compensation financial

"05/04/2026 | COMPENSATION"

FAQ

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

What does NEBIUS GROUP NV's Form 144 indicate for NBIS?

The Form 144 notifies the SEC of proposed sales of Class A ordinary shares by an affiliate. It lists proposed transactions and recent dispositions with share counts and gross amounts, but it does not itself confirm completed market sales or settlement details.

Who is the reporting person on the Form 144 for NBIS?

The filing lists Elena Bunina as the person associated with multiple dispositions. The form shows her name, an address, and specific sale dates and amounts for several 2026 transactions disclosed in the excerpt.

Which broker is listed on the Form 144 for NEBIUS GROUP NV?

The broker shown is Citigroup Global Markets at 390 Greenwich St, New York. The excerpt ties the proposed 05/04/2026 sales to that broker but does not specify execution or settlement outcomes.

What share counts and proceeds are reported in the excerpt?

The excerpt lists multiple 2026 dispositions by Elena Bunina, for example: 16,442 shares for $2,092,047.50 (03/16/2026) and 35,044 shares for $3,466,842.50 (02/23/2026). Several additional dates, share counts, and gross amounts are shown.

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

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Accepted by SEC EDGAR 05/04/2026 - 10:12 AM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002093234
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Nebius Group N.V.
SEC File Number	001-35173
Address of Issuer	SCHIPHOL BOULEVARD 165 SCHIPHOL NETHERLANDS 1118 BG
Phone	31202066970
Name of Person for Whose Account the Securities are To Be Sold	Bunina Elena
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director
Relationship to Issuer	NON EXECUTIVE DIRECTOR

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
CLASS A ORDINARY SHARES	CITIGROUP GLOBAL MARKETS 390 GREENWICH ST New York NY 10013	5882	999940.00	253898194	05/04/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
ORDINARY SHARES	05/04/2026	RESTRICTED STOCK AWARDS	NEBIUS GROUP NV			5882	05/04/2026	COMPENSATION

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
ELENA BUNINA SCHIPHOL BOULEVARD 165 SCHIPHOL P7 1118BG	CLASS A ORDINARY SHARES	03/16/2026	16442	2092047.50
ELENA BUNINA BOULEVARD 165 SCHIPHOL P7 1118BG	CLASS A ORDINARY SHARES	02/23/2026	35044	3466842.50
ELENA BUNINA SCHIPHOL BOULEVARD 165 SCHIPHOL P7 1118BG	CLASS A ORDINARY SHARES	03/11/2026	9984	1098240.00
ELENA BUNINA SCHIPHOL BOULEVARD 165 SCHIPHOL P7 1118BG	CLASS A ORDINARY SHARES	04/10/2026	7143	1000020.00
ELENA BUNINA SCHIPHOL BOULEVARD 165 SCHIPHOL P7 1118BG	CLASS A ORDINARY SHARES	04/13/2026	6667	1000050.00
ELENA BUNINA SCHIPHOL BOULEVARD 165 SCHIPHOL P7 1118BG	CLASS A ORDINARY SHARES	04/14/2026	6250	1007750.00

144: Remarks and Signature

Remarks	Under section 3 d market price is based on indicative market pricing OF 170--Shares being sold are pursuant to A 10B51 PLAN adopted November 24 2025
Date of Notice	05/04/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/24/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	CONFORMED SIGNATURE ON FILE
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)