Nebius Group (NBIS) director Arne Grimme discloses 4,533 Class A Shares

Rhea-AI Filing Summary

Nebius Group N.V. director Arne Grimme filed an initial Form 3 reporting his beneficial ownership in the company. The filing shows direct ownership of 4,533 Class A Shares of Nebius Group N.V., establishing his equity position as a company insider.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Grimme Arne

Role Director

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

Holdings After Transaction: Class A Shares — 4,533 shares (Direct)

Footnotes (1)

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

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1. Name and Address of Reporting Person^*

Grimme Arne

(Last) (First) (Middle)

SCHIPHOL BOULEVARD 165

(Street)

SCHIPHOL 1118BG

(City) (State) (Zip)

NETHERLANDS

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

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

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)

X	Director		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	4,533	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:

Remarks:

Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

	/s/ Arne Grimme	03/18/2026
	** 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 Arne Grimme’s Form 3 filing show for Nebius Group (NBIS)?

The Form 3 shows that director Arne Grimme beneficially owns 4,533 Class A Shares of Nebius Group N.V. This is an initial ownership report, providing transparency about his equity stake as he serves on the company’s board.

How many Nebius Group (NBIS) shares does director Arne Grimme own?

Director Arne Grimme reports direct beneficial ownership of 4,533 Class A Shares of Nebius Group N.V. This total reflects his holdings following the reported position and helps investors understand the scale of his equity interest relative to other insiders.

Is Arne Grimme’s Nebius Group (NBIS) ownership held directly or indirectly?

Arne Grimme’s 4,533 Class A Shares in Nebius Group N.V. are reported as directly owned. Direct ownership means the shares are held in his own name rather than through a trust, partnership, or other indirect entity structure.

What is the purpose of this Form 3 for Nebius Group (NBIS)?

This Form 3 serves as an initial statement of beneficial ownership for director Arne Grimme, disclosing his holding of 4,533 Class A Shares. It enhances transparency by documenting his starting equity position as a reporting insider of Nebius Group N.V.

Does Arne Grimme’s Nebius Group (NBIS) Form 3 indicate any recent trades?

The Form 3 primarily records beneficial ownership of 4,533 Class A Shares by director Arne Grimme. It functions as a baseline holdings report rather than a detailed trade record, focusing on the number of shares he owns following the reported position.