Ophir Nave - 05 Oct 2026 Form 4 Insider Report for Nebius Group N.V. (NBIS)

Reporting relationship: COO, Director
Issuer ticker: NBIS
Reported as of: 05 Oct 2026
Net transaction value: -$117,765,468
SEC form: 4
Accepted by SEC: 06 Oct 2026, 16:17:38 UTC
Prior SEC filing: 03 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Anna Akimova, attorney-in fact for Mr. Nave

Filing notes and source

Key filing fact

Ophir Nave filed Form 4 for Nebius Group N.V. (NBIS) on 06 Oct 2026.

Key facts

This page summarizes Ophir Nave's Form 4 filing for Nebius Group N.V. (NBIS).
12 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 06 Oct 2026, 16:17.

Change

Previous filing in this sequence was filed on 03 Sep 2026.
Current net transaction value: -$117,765,468.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002060551 Primary reporting owner

Nave Ophir

Relationship: COO, Director
Address: BURGERWEESHUISPAD 101, AMSTERDAM, NETHERLANDS
Signature: /s/ Anna Akimova, attorney-in fact for Mr. Nave
Signature date: 06 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NBIS transaction

Class A Shares

Sale

Transaction value: -$3,748,766
Shares: -16,220
Change %: -1.7%
Price: $231.12
Shares after: 938,465
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F1

NBIS transaction

Class A Shares

Sale

Transaction value: -$14,223,368
Shares: -61,210
Change %: -6.5%
Price: $232.37
Shares after: 877,255
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F2

NBIS transaction

Class A Shares

Sale

Transaction value: -$13,157,979
Shares: -56,426
Change %: -6.4%
Price: $233.19
Shares after: 820,829
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F3

NBIS transaction

Class A Shares

Sale

Transaction value: -$11,439,987
Shares: -48,845
Change %: -6%
Price: $234.21
Shares after: 771,984
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F4

NBIS transaction

Class A Shares

Sale

Transaction value: -$25,104,342
Shares: -106,718
Change %: -14%
Price: $235.24
Shares after: 665,266
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F5

NBIS transaction

Class A Shares

Sale

Transaction value: -$17,366,032
Shares: -73,588
Change %: -11%
Price: $235.99
Shares after: 591,678
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F6

NBIS transaction

Class A Shares

Sale

Transaction value: -$4,321,822
Shares: -18,224
Change %: -3.1%
Price: $237.15
Shares after: 573,454
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F7

NBIS transaction

Class A Shares

Sale

Transaction value: -$11,590,594
Shares: -48,655
Change %: -8.5%
Price: $238.22
Shares after: 524,799
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F8

NBIS transaction

Class A Shares

Sale

Transaction value: -$11,497,633
Shares: -48,061
Change %: -9.2%
Price: $239.23
Shares after: 476,738
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F9

NBIS transaction

Class A Shares

Sale

Transaction value: -$3,564,720
Shares: -14,853
Change %: -3.1%
Price: $240.00
Shares after: 461,885
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F10

NBIS transaction

Class A Shares

Sale

Transaction value: -$289,224
Shares: -1,200
Change %: -0.26%
Price: $241.02
Shares after: 460,685
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F11

NBIS transaction

Class A Shares

Sale

Transaction value: -$1,461,000
Shares: -6,000
Change %: -1.3%
Price: $243.50
Shares after: 454,685
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F12

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 12 footnotes

Footnote F1

Reflects the weighted average sale price on October 5, 2026. The shares were sold in multiple transactions at prices ranging from $230.67 to $231.66, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F2

Reflects the weighted average sale price on October 5, 2026. The shares were sold in multiple transactions at prices ranging from $231.68 to $232.67, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F3

Reflects the weighted average sale price on October 5, 2026. The shares were sold in multiple transactions at prices ranging from $232.68 to $233.67, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F4

Reflects the weighted average sale price on October 5, 2026. The shares were sold in multiple transactions at prices ranging from $233.68 to $234.67, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F5

Reflects the weighted average sale price on October 5, 2026. The shares were sold in multiple transactions at prices ranging from $234.68 to $235.67, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F6

Reflects the weighted average sale price on October 5, 2026. The shares were sold in multiple transactions at prices ranging from $235.68 to $236.65, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F7

Reflects the weighted average sale price on October 5, 2026. The shares were sold in multiple transactions at prices ranging from $236.68 to $237.66, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F8

Reflects the weighted average sale price on October 5, 2026. The shares were sold in multiple transactions at prices ranging from $237.68 to $238.65, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F9

Reflects the weighted average sale price on October 5, 2026. The shares were sold in multiple transactions at prices ranging from $238.68 to $239.65, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F10

Reflects the weighted average sale price on October 5, 2026. The shares were sold in multiple transactions at prices ranging from $239.74 to $240.65, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F11

Reflects the weighted average sale price on October 5, 2026. The shares were sold in multiple transactions at prices ranging from $240.99 to $241.04, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F12

Reflects the weighted average sale price on October 5, 2026. The shares were sold in multiple transactions at prices ranging from $243.03 to $243.72, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC remarks

The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 22, 2026. The shares sold represent settled restricted share units constituting approximately 17% of the Reporting Person's granted equity in the Company. No further sales will be made under such trading plan. 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.