IPG INTERPUBLIC GROUP OF COMPANIES INC Company Mergers 8-K Filing 2025 - Merger Announcement Interpublic Group of Companies, Inc. announced a merger agreement with Omnicom Group Inc. on December 8, 2024, with stockholder meetings scheduled for March 18, 2025, to discuss the merger, amid three lawsuits alleging disclosure deficiencies filed on February 20 and 24, 2025.Get access to all SEC 8-K filings of the INTERPUBLIC GROUP OF COMPANIES INC