Nebius Group (NASDAQ: NBIS) director sells 10,819 Class A shares under plan

Q: What insider transaction did Nebius Group (NBIS) director Elena Bunina report?

Director Elena Bunina reported selling a total of 10,819 Class A Shares of Nebius Group N.V. on May 6, 2026. The transactions were classified as open-market sales of non-derivative Class A Shares.

Q: How many Nebius Group (NBIS) shares did the insider sell in total?

Across both reported transactions, the insider sold 10,819 Class A Shares of Nebius Group N.V. This total comes from 5,263 shares in one sale and 5,556 shares in the second sale, all executed on May 6, 2026.

Q: Were the Nebius Group (NBIS) insider sales made under a Rule 10b5-1 plan?

Yes. A footnote explains the sales were made under a Rule 10b5-1 trading plan adopted by the reporting person on November 24, 2025. Such plans pre-schedule trades, indicating these sales were arranged in advance.

Q: What type of security was involved in the Nebius Group (NBIS) Form 4?

The Form 4 transactions involved Class A Shares of Nebius Group N.V., categorized as non-derivative securities . Both reported trades were open-market sales of these Class A Shares rather than option exercises or other derivative transactions.

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Nebius Group N.V. director Elena Bunina reported selling a total of 10,819 Class A Shares of NBIS in open-market transactions on May 6, 2026. The sales consisted of 5,263 shares at $190.00 per share and 5,556 shares at $180.00 per share. According to a footnote, these transactions were made under a pre-arranged Rule 10b5-1 trading plan adopted by the reporting person on November 24, 2025, indicating the sales were scheduled in advance rather than timed discretionarily.

Insider Trade Summary 10b5-1

Net Seller: 10,819 shares ($2,000,050)

Net Sell 2 txns

Insider Bunina Elena

Role null

Sold 10,819 shs ($2.00M)

Type	Security	Shares	Price	Value
Sale	Class A Shares	5,556	$180.00	$1.00M
Sale	Class A Shares	5,263	$190.00	$1000K

Holdings After Transaction: Class A Shares — 26,929 shares (Direct, null)

Footnotes (1)

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Key Figures

Total shares sold: 10,819 shares First sale tranche: 5,263 shares at $190.00/share Second sale tranche: 5,556 shares at $180.00/share +1 more

4 metrics

Total shares sold 10,819 shares Net Class A Shares sold on May 6, 2026

First sale tranche 5,263 shares at $190.00/share Class A Shares open-market sale on May 6, 2026

Second sale tranche 5,556 shares at $180.00/share Class A Shares open-market sale on May 6, 2026

10b5-1 plan adoption date November 24, 2025 Date reporting person adopted Rule 10b5-1 trading plan

Key Terms

Rule 10b5-1 trading plan, open-market sale, Class A Shares

3 terms

Rule 10b5-1 trading plan regulatory

"The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open-market sale financial

"transaction_action": "open-market sale""

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.

Class A Shares financial

"security_title": "Class A Shares""

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.

Form 4 Insider Transactions: What Each Field Means →

05/08/2026 - 08:31 AM

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

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^*

Bunina Elena

(Last)

(First)

(Middle)

SCHIPHOL BOULEVARD 165

(Street)

SCHIPHOL

1118BG

(City)

(State)

(Zip)

NETHERLANDS

(Country)

2. Issuer Name and Ticker or Trading Symbol
Nebius Group N.V. [ NBIS ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/06/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Shares	05/06/2026		S		5,556⁽¹⁾	D	$180	26,929	D
Class A Shares	05/06/2026		S		5,263⁽¹⁾	D	$190	21,666	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 24, 2025.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Anna Akimova, attorney-in fact for Ms. Bunina	05/08/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Nebius Group (NBIS) director Elena Bunina report?

Director Elena Bunina reported selling a total of 10,819 Class A Shares of Nebius Group N.V. on May 6, 2026. The transactions were classified as open-market sales of non-derivative Class A Shares.

At what prices were the Nebius Group (NBIS) shares sold in this Form 4?

The Form 4 shows two open-market sales of Nebius Group Class A Shares. One trade was for 5,263 shares at $190.00 per share, and another for 5,556 shares at $180.00 per share, both on May 6, 2026.

How many Nebius Group (NBIS) shares did the insider sell in total?

Across both reported transactions, the insider sold 10,819 Class A Shares of Nebius Group N.V. This total comes from 5,263 shares in one sale and 5,556 shares in the second sale, all executed on May 6, 2026.

Were the Nebius Group (NBIS) insider sales made under a Rule 10b5-1 plan?

Yes. A footnote explains the sales were made under a Rule 10b5-1 trading plan adopted by the reporting person on November 24, 2025. Such plans pre-schedule trades, indicating these sales were arranged in advance.

What type of security was involved in the Nebius Group (NBIS) Form 4?

The Form 4 transactions involved Class A Shares of Nebius Group N.V., categorized as non-derivative securities. Both reported trades were open-market sales of these Class A Shares rather than option exercises or other derivative transactions.