Nebius Group (NBIS) officer sells 31,357 shares under 10b5-1 plan

Rhea-AI Filing Summary

Nebius Group N.V. Chief Infrastructure Officer Andrey Korolenko sold 31,357 Class A Shares in an open-market transaction. The sale took place on April 6, 2026 at an average price of $111.2002 per share.

After the transaction, Korolenko directly held 585,209 Class A Shares. The filing notes that these sales were executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 2, 2025, indicating they were scheduled in advance rather than timed discretionarily.

Insider Trade Summary

Net Seller: 31,357 shares ($3,486,905)

Net Sell 1 txn

Insider Korolenko Andrey

Role Chief Infrastructure Officer

Sold 31,357 shs ($3.49M)

Type	Security	Shares	Price	Value
Sale	Class A Shares	31,357	$111.2002	$3.49M

Holdings After Transaction: Class A Shares — 585,209 shares (Direct)

Footnotes (1)

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Key Figures

Shares sold: 31,357 shares Average sale price: $111.2002 per share Shares owned after sale: 585,209 shares +2 more

5 metrics

Shares sold 31,357 shares Open-market sale of Class A Shares on April 6, 2026

Average sale price $111.2002 per share Price for Class A Shares sold on April 6, 2026

Shares owned after sale 585,209 shares Direct holdings following the reported transaction

Rule 10b5-1 plan adoption date December 2, 2025 Plan governing the reported sales

Transaction type Open-market sale Form 4 transaction code S for Class A Shares

Key Terms

Rule 10b5-1 trading plan, open-market sale, Class A Shares, Form 4

4 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 regulatory

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

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.

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

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^*

Korolenko Andrey

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/06/2026

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)
			Code	V	Amount	(A) or (D)	Price
Class A Shares	04/06/2026		S		31,357(1)	D	$111.2002	585,209	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:

1. The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

	/s/ Anna Akimova, attorney-in fact for Mr. Korolenko	04/08/2026
	** 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 transaction did Nebius Group (NBIS) report on this Form 4?

Nebius Group reported that Chief Infrastructure Officer Andrey Korolenko sold 31,357 Class A Shares. The sale was an open-market transaction at an average price of $111.2002 per share, reflecting a planned disposition rather than an initial share purchase.

How many Nebius Group (NBIS) shares did the insider sell and at what price?

Andrey Korolenko sold 31,357 Class A Shares of Nebius Group at an average price of $111.2002 per share. This represents a single open-market sale transaction disclosed in the Form 4 filing for the stated transaction date.

How many Nebius Group (NBIS) shares does the insider hold after this sale?

Following the reported sale, Andrey Korolenko directly holds 585,209 Class A Shares of Nebius Group. This post-transaction balance in the Form 4 helps investors gauge the scale of the sale relative to his remaining ownership stake.

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

Yes, the Form 4 footnote states the sales were made pursuant to a Rule 10b5-1 trading plan. The plan was adopted on December 2, 2025, indicating the transaction was pre-scheduled rather than timed in response to short-term market developments.

What role does the reporting person hold at Nebius Group (NBIS)?

The reporting person, Andrey Korolenko, is identified as the Chief Infrastructure Officer of Nebius Group N.V. This executive role means the disclosed share sale reflects trading activity by a senior company officer, which is why it must be reported on Form 4.