Director Arne Grimme of Nebius Group N.V. filed a Form 4 on October 26, 2026, reporting three open-market purchases of Class A Shares between October 22 and October 26, 2026, executed under a Rule 10b5-1 trading plan.

Key Highlights

  • Reporting person: Arne Grimme, serving as a Director of Nebius Group N.V. (NASDAQ:NBIS)
  • Three purchases: 357 shares at $161.97 on October 22, 205 shares at $158.98 on October 23, and 208 shares at $153.96 on October 26, 2026
  • Total shares acquired: 770 Class A Shares across the three transactions
  • Beneficial ownership after transactions: 7,398 Class A Shares held directly, according to the filing
  • 10b5-1 plan: All purchases were made pursuant to a Rule 10b5-1 trading plan adopted by Grimme on June 15, 2026
  • Foreign private issuer exemption: The filing notes that transactions are exempt from Sections 16(b) and 16(c) of the Act due to the issuer's status as a foreign private issuer under Rule 3a12-3(b)

Grimme's Three-Day Purchase Activity in Nebius Class A Shares

According to the filing, Arne Grimme, a Director of Nebius Group N.V. (NASDAQ:NBIS), reported three separate acquisitions of Class A Shares during a five-day window. On October 22, 2026, Grimme purchased 357 shares at a price of $161.97 each, bringing his direct beneficial ownership to 6,985 shares. The following day, October 23, 2026, he acquired an additional 205 shares at $158.98 per share, increasing his holdings to 7,190 shares.

On October 26, 2026, the date the form was filed, Grimme purchased a further 208 shares at $153.96 per share. Following that transaction, his direct beneficial ownership stood at 7,398 Class A Shares, as reported in the filing. All three transactions are coded as purchases (transaction code "P") and are classified as directly held.

The filing states that all purchases were made pursuant to a Rule 10b5-1 trading plan adopted by Grimme on June 15, 2026. The form also notes that, because Nebius Group N.V. qualifies as a foreign private issuer under Rule 3a12-3(b) of the Securities Exchange Act, Grimme's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. The form was signed by Nathalie van Wiggen as attorney-in-fact for Mr. Grimme and filed on October 26, 2026.

What Was Disclosed

Director Arne Grimme disclosed three Rule 10b5-1 plan purchases of Nebius Group N.V. Class A Shares totaling 770 shares between October 22 and October 26, 2026, at prices ranging from $153.96 to $161.97, bringing his direct holdings to 7,398 shares.