NBIS
Nebius Group N.V. · Services · Market cap $40.2B(Price slightly stale)
Insiders sold $164.1M net in the last 90 days ·8 sellers, 1 buyer· 5 of 15 sales under Rule 10b5-1 plans· latest Form 4 filed Oct 21, 2026
Insider Buying
$125K
reported purchases (SEC code P)
Insider Selling
$319.5M
reported sales (SEC code S)
Unique Insiders
11
in the rolling window
Latest filing
Oct 21, 2026
Grimme Arne
Nebius Group N.V. (NBIS) has 44 SEC Form 4 filings (140 transaction rows) in the rolling window, disclosed by 11 distinct insiders. Most recent filing: Oct 21, 2026.
Inside the rolling window, 11 insiders at Nebius Group N.V. reported 5 open-market purchases totaling $125K and 37 open-market sales totaling $319.5M. The most active filer is Chief Revenue Officer Boroditsky Marc with 7 filings. Insiders have net sold $304.4M over the trailing 6 months. The most recent open-market filing is a purchase of 151 shares by Director Grimme Arne, dated Oct 20, 2026, worth $25K.
- Industry:Software - Application
- CEO:Arkady Volozh
- Employees:1,543
- HQ:Schiphol, NL
- IPO:2011-05-24
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Purchase | 151 | $25K | Oct 21 | -7.5% | SEC ↗ | |
| Director | Purchase | 148 | $25K | Oct 21 | -7.5% | SEC ↗ | |
| Director | Purchase | 148 | $25K | Oct 20 | -7.4% | SEC ↗ | |
| Director | Sale | 7,260 | $1.3M | Oct 19 | -6.8% | SEC ↗ | |
Grimme ArneFirst filing | Director | Purchase | 148 | $25K | Oct 16 | — | SEC ↗ |
Grimme ArneFirst filing | Director | Purchase | 148 | $25K | Oct 16 | — | SEC ↗ |
| Chief Revenue Officer | Sale | 7,000 | $1.5M | Oct 13 | — | SEC ↗ | |
Nave OphirFirst filing | COO | Sale | 500,000 | $117.8M | Oct 6 | — | SEC ↗ |
Korolenko AndreyFirst in 3 months | Chief Infrastructure Officer | Sale | 29,090 | $6.8M | Oct 5 | — | SEC ↗ |
Shtan DanilaFirst in 3 months | Chief Technology Officer | Sale | 14,546 | $3.4M | Oct 5 | — | SEC ↗ |
Volozh ArkadiyFirst in 3 months | CEO | Sale | 37,778 | $8.8M | Oct 5 | — | SEC ↗ |
| Director | Sale | 50 | $12K | Oct 1 | — | SEC ↗ | |
| Chief Revenue Officer | Sale | 4,500 | $1.1M | Sep 21 | — | SEC ↗ | |
| Chief Revenue Officer | Sale | 22,386 | $4.4M | Sep 21 | — | SEC ↗ | |
| Director | Sale | 6,364 | $1.3M | Sep 17 | — | SEC ↗ | |
Boroditsky MarcFirst in 4 months | Chief Revenue Officer | Sale | 7,000 | $1.5M | Sep 16 | — | SEC ↗ |
Alonso Sanchez Maria del DadoFirst in 3 months | CFO | Sale | 470 | $92K | Sep 2 | — | SEC ↗ |
Ryan Charles EFirst filing | Director | Sale | 50,000 | $13.3M | Aug 18 | — | SEC ↗ |
| Director | Sale | 5,296 | $1.4M | Aug 18 | — | SEC ↗ | |
| Director | Sale | 5,812 | $1.5M | Aug 5 | — | SEC ↗ | |
| Director | Sale | 6,958 | $1.4M | Jul 17 | — | SEC ↗ | |
Volozh ArkadiyFirst in 3 months | CEO | Sale | 46,627 | $11.0M | Jul 6 | — | SEC ↗ |
| Chief Technology Officer | Sale | 16,937 | $4.0M | Jul 6 | — | SEC ↗ | |
| Chief Infrastructure Officer | Sale | 33,871 | $8.0M | Jul 6 | — | SEC ↗ | |
| Chief Technology Officer | Sale | 15,678 | $3.7M | Jun 5 | — | SEC ↗ |
Earnings: last 7 quarters
Reddit mentions
See all →NBIS is the #2 most-discussed ticker across finance subreddits, with 102 mentions in the last 24 hours, +98 vs the day before, hottest in r/WallStreetBets.
Mention counts are conversation volume, not a quality signal. Not investment advice.
Frequently asked questions
How many SEC Form 4 insider filings does NBIS have?
Nebius Group N.V. (NBIS) has 44 SEC Form 4 filings (140 transaction rows) in the rolling 365-day window, disclosed by 11 distinct insiders. Most recent filing: Oct 21, 2026.
When was the most recent SEC Form 4 filing for NBIS?
The most recent Form 4 filing for NBIS on Tracefour is dated Oct 21, 2026.
Who is the most active insider at NBIS?
The most active SEC Form 4 filer at NBIS in the rolling window is Chief Revenue Officer Boroditsky Marc, with 7 filings.
What is the net insider flow at NBIS over the last 6 months?
Over the trailing 180 days, insiders at NBIS have net sold $304.4M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at NBIS in the current window?
Inside the rolling window, insiders at NBIS bought $125K and sold $319.5M based on SEC Form 4 filings.
Can I get alerts for NBIS insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Nebius Group N.V. (NBIS). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Nebius Group N.V. is in the Services sector.