ADVENT INTERNATIONAL, L.P. 4

What Happened AI Alpine (Luxembourg) S.a.r.l., a reported 10% owner of INNIO N.V. (INIO), disposed of 103,500,000 INNIO shares on June 5, 2026. The shares were sold at $25.99 per share for aggregate proceeds of $2,689,965,000. This was a sale (disposition) transaction — sales are often routine portfolio or liquidity moves rather than a signal of company fundamentals.

Key Details

• Transaction date and price: June 5, 2026 — 103,500,000 shares sold at $25.99 per share. Total value ≈ $2,689,965,000.
• Transaction type: Open market or private sale (reported as sale, code S).
• Shares owned after transaction: Not specified in this Form 4 filing.
• Footnotes of note:
  • AI Alpine (Luxembourg) is directly controlled by AI Alpine Parent & Cy S.C.A.; Advent International-affiliated funds indirectly hold ~53.8% of AI Alpine Parent and exercise voting/investment control (F1).
  • Abu Dhabi Investment Authority (ADIA) indirectly holds ~45.0% of AI Alpine Parent via Luxinva S.A. and may be deemed to have beneficial ownership under SEC rules (F2).
  • Reporting persons disclaim beneficial ownership except to the extent of any pecuniary interest (F3).
• Filing timeliness: Reported with period and filing date of June 5, 2026 — no late filing indicated.

Context This disclosure involves an institutional 10% owner, not an individual executive. Such sales typically reflect changes in institutional holdings or liquidity needs and do not, by themselves, indicate management sentiment. The filing also notes that certain board members were appointed under a Relationship Agreement (dated June 4, 2026), and the reporting persons may be deemed directors by deputization for Section 16 purposes.