The Interpublic Group of Companies (IPG) filed a Form 8-K regarding its planned merger with Omnicom Group. Under the merger agreement, Omnicom will acquire IPG, making it a wholly owned subsidiary. Both companies’ boards have approved the deal, and stockholders will vote on it in special meetings scheduled for March 18, 2025.

Following the merger announcement, three lawsuits were filed by stockholders of IPG and Omnicom, alleging that the joint proxy statement lacked adequate disclosures. Additionally, IPG and Omnicom received demand letters from stockholders making similar claims. While both companies deny any wrongdoing, they have agreed to provide supplemental disclosures to prevent delays in the merger process.

The additional disclosures outline details of merger negotiations, financial projections, and the roles of financial advisors PJT Partners and Morgan Stanley. They also discuss governance changes, executive compensation, and stockholder interests in the transaction.

IPG and Omnicom have cautioned investors about risks related to stockholder and regulatory approvals, integration challenges, litigation, economic conditions, and potential market reactions. They maintain that the merger will create long-term value and encourage stockholders to review all proxy materials before voting.

The merger remains subject to approvals, and IPG and Omnicom have stated that no assurances can be made about its completion.