NBIS Nebius Group N.V.

NASDAQ
$154.69

Nebius Group N.V. (NBIS) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal In line Selling ran in line with NBIS's own trailing one-year pace, with 31% of sale value under a prearranged plan.
Cluster activity 1 buyer in the last 30 days 1 buyer in the last 90 days 5 sellers in the last 90 days
Insiders buying
1
11 transactions
Insiders selling
10
123 transactions
Purchases
$330.4K
2,014 shares
Sales
$403.6M
1,924,610 shares
Net activity
-$403.3M
purchases less sales

How much of that selling was preplanned? 31% planned / 69% discretionary

10b5-1 plan sales $124.9M 22 transactions · 618,702 shares
Discretionary sales $278.7M 101 transactions · 1,305,908 shares

Largest single sale: $101.6M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: October 29, 2026 , by Grimme Arne .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Boynton John Wilson IV Director Sell 10b5-1 333 $173.07 $57.6K 403,189 −0.1% of holding
Grimme Arne Director Buy 10b5-1 148 $169.42 $25.1K 7,899
Grimme Arne Director Buy 10b5-1 148 $169.84 $25.1K 7,751
Grimme Arne Director Buy 10b5-1 205 $159.04 $32.6K 7,603
Grimme Arne Director Buy 10b5-1 208 $153.96 $32.0K 7,398
Grimme Arne Director Buy 10b5-1 205 $158.98 $32.6K 7,190
Grimme Arne Director Buy 10b5-1 357 $161.97 $57.8K 6,985
Grimme Arne Director Buy 10b5-1 148 $167.94 $24.9K 6,628
Grimme Arne Director Buy 10b5-1 151 $164.62 $24.9K 6,480
Grimme Arne Director Buy 10b5-1 148 $169.99 $25.2K 6,329
Grimme Arne Director Buy 10b5-1 148 $169.99 $25.2K 6,181
Boynton John Wilson IV 19 fills Director Sell 7,260 $177.63 $1.3M 410,582 −1.7% of holding
Grimme Arne Director Buy 10b5-1 148 $169.99 $25.2K 6,033
Boroditsky Marc Chief Revenue Officer Sell 10b5-1 7,000 $211.23 $1.5M None left
Nave Ophir 12 fills COO Sell 500,000 $235.53 $117.8M 938,465 −34.8% of holding
Boynton John Wilson IV Director Sell 10b5-1 50 $235.01 $11.8K 410,782 −0% of holding
Boynton John Wilson IV 9 fills Director Sell 6,364 $210.36 $1.3M 415,932 −1.5% of holding
Boroditsky Marc 2 fills Chief Revenue Officer Sell 10b5-1 7,000 $209.08 $1.5M None left
Alonso Sanchez Maria del Dado CFO Sell 470 $196.00 $92.1K 12,202 −3.7% of holding
Ryan Charles E 6 fills Director Sell 50,000 $265.53 $13.3M 309,218 −13.9% of holding
Boynton John Wilson IV 12 fills Director Sell 5,296 $270.99 $1.4M 421,040 −1.2% of holding
Boroditsky Marc Chief Revenue Officer Sell 10b5-1 22,386 $197.00 $4.4M None left
Boynton John Wilson IV 11 fills Director Sell 6,958 $197.00 $1.4M 427,898 −1.6% of holding
Volozh Arkadiy CEO Sell 46,627 $235.45 $11.0M 821,662 −5.4% of holding
Korolenko Andrey Chief Infrastructure Officer Sell 33,871 $235.45 $8.0M 551,338 −5.8% of holding
Shtan Danila Chief Technology Officer Sell 16,937 $235.45 $4.0M 274,763 −5.8% of holding
Boynton John Wilson IV 20 fills Director Sell 11,624 $253.29 $2.9M 433,810 −2.6% of holding
Boroditsky Marc Chief Revenue Officer Sell 10b5-1 4,500 $250.00 $1.1M 22,386 −16.7% of holding
Shtan Danila Chief Technology Officer Sell 10b5-1 15,678 $238.96 $3.7M 291,700 −5.1% of holding
Boroditsky Marc Chief Revenue Officer Sell 10,776 $276.20 $3.0M 26,886 −28.6% of holding
Alonso Sanchez Maria del Dado CFO Sell 1,509 $276.20 $416.8K 12,672 −10.6% of holding
Tal Boaz 3 fills General Counsel Sell 10b5-1 5,100 $199.39 $1.0M 83,254 −5.8% of holding
Boroditsky Marc Chief Revenue Officer Sell 10b5-1 4,500 $217.55 $979.0K 37,662 −10.7% of holding
Korolenko Andrey Chief Infrastructure Officer Sell 500,000 $203.24 $101.6M 585,209 −46.1% of holding
Korolenko Andrey Chief Infrastructure Officer Sell 10b5-1 500,000 $203.24 $101.6M 585,209 −46.1% of holding
Bunina Elena 2 fills Director Sell 10b5-1 10,894 $206.87 $2.3M 16,666 −39.5% of holding
Bunina Elena 2 fills Director Sell 10b5-1 10,819 $184.86 $2.0M 26,929 −28.7% of holding
Bunina Elena Director Sell 10b5-1 5,882 $170.00 $999.9K 32,485 −15.3% of holding
Boroditsky Marc Chief Revenue Officer Sell 10b5-1 4,500 $160.10 $720.5K 42,162 −9.6% of holding
Bunina Elena Director Sell 10b5-1 6,250 $161.22 $1.0M 38,367 −14% of holding
Bunina Elena Director Sell 10b5-1 6,667 $150.00 $1.0M 44,617 −13% of holding
Bunina Elena Director Sell 10b5-1 7,143 $140.00 $1.0M 51,284 −12.2% of holding
Korolenko Andrey Chief Infrastructure Officer Sell 31,357 $111.20 $3.5M 585,209 −5.1% of holding
Volozh Arkadiy CEO Sell 33,358 $103.73 $3.5M 868,289 −3.7% of holding
Korolenko Andrey Chief Infrastructure Officer Sell 26,976 $98.78 $2.7M 616,566 −4.2% of holding
Shtan Danila Chief Technology Officer Sell 13,489 $98.78 $1.3M 307,378 −4.2% of holding
Tal Boaz General Counsel Sell 3,036 $98.78 $299.9K 85,854 −3.4% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.