Case T-507/24: Order of the General Court of 7 April 2025 – Kingspan Group v Commission (Action for annulment – Competition – Article 14(1) of Regulation (EC) No 139/2004 – Procedure to impose penalties on parties to a proposed concentration for providing incomplete, incorrect or misleading information in the course of a European Commission investigation – Decision of the Commission’s Hearing Officer to refuse access to certain documents in the investigation file relating to that proposed concentration – Act not open to challenge – Inadmissibility)