IPG INTERPUBLIC GROUP OF COMPANIES INC Company Mergers 8-K Filing 2025 - Merger Agreement Interpublic Group of Companies, Inc. announced a merger agreement with Omnicom Group Inc. dated December 8, 2024, with stockholder meetings scheduled for March 18, 2025, to discuss the merger details.Get access to all SEC 8-K filings of the INTERPUBLIC GROUP OF COMPANIES INC