NORFOLK SOUTHERN CORP·transportation-infrastructure·$85.00B TWITTER, INC.·tech·$44.00B AES CORP·industrials·$33.40B AES CORP·industrials·$33.40B cyberark palo alto networks·tech·$25.00B Walgreens Boots Alliance, Inc.·consumer-retail·$23.70B physicians realty trust healthpeak properties inc·real-estate·$21.00B ABBOTT LABORATORIES·healthcare·$20.00B Frontier Group Holdings, Inc.·transportation-infrastructure·$20.00B Magellan Midstream Partners, L.P.·energy-power·$18.80B NextDecade Corp·energy-power·$18.40B nextdecade corporation rio grande lng phase 1 joint venture·private-capital·$18.40B NORFOLK SOUTHERN CORP·transportation-infrastructure·$85.00B TWITTER, INC.·tech·$44.00B AES CORP·industrials·$33.40B AES CORP·industrials·$33.40B cyberark palo alto networks·tech·$25.00B Walgreens Boots Alliance, Inc.·consumer-retail·$23.70B physicians realty trust healthpeak properties inc·real-estate·$21.00B ABBOTT LABORATORIES·healthcare·$20.00B Frontier Group Holdings, Inc.·transportation-infrastructure·$20.00B Magellan Midstream Partners, L.P.·energy-power·$18.80B NextDecade Corp·energy-power·$18.40B nextdecade corporation rio grande lng phase 1 joint venture·private-capital·$18.40B

Sources: SEC EDGAR · PR Newswire · GlobeNewswire

M&A · tech

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OMNICOM GROUP INC. to Acquire INTERPUBLIC GROUP OF COMPANIES, INC.

This deal is an all-stock merger between the Interpublic Group of Companies, Inc., the target, and Omnicom Group Inc. (ticker OMC), the acquirer, both companies in the tech sector per the facts block's sector classification. The transaction is classified under the M&A product group, and no disclosed deal value is stated in the source documents.

Jan 30, 2025·SEC EDGAR (DEFM14A)·closed·all-stock merger·closing-related 8-K (completion of acquisition, deregistration), Interpublic →·investor presentation, Omnicom →·Agreement and Plan of Merger between Omnicom, IPG and EXT Subsidiary Inc. →·joint proxy statement/prospectus with Background of the Merger, fairness opinions, and merger agreement summary (already on file, used for additional detail) →·primary announcement press release, Omnicom →·closing 8-K confirming completion of merger, Omnicom →

The facts block draws on a substantial set of SEC EDGAR filings: a DEFM14A published January 30, 2025; an 8-K published December 9, 2024; two 8-Ks published November 26, 2025; an 8-K with Exhibit 99.2 published December 9, 2024; an unspecified form published January 30, 2025; an 8-K with Exhibit 99.1 published December 9, 2024; and an 8-K with Exhibit 2.1 published December 9, 2024. The deal's current status is closed.

On the financial advisory side, PJT Partners served as financial advisor to Omnicom, the acquirer, and is designated as lead advisor in that role. Morgan Stanley served as financial advisor to Interpublic, the target, and is likewise designated as lead advisor.

Legal counsel was also disclosed for both parties. Willkie Farr & Gallagher LLP served as legal advisor to Interpublic, the target. Latham & Watkins LLP served as legal advisor to Omnicom, the acquirer.

Beyond its classification as an all-stock merger, the facts block does not provide further detail on the exchange ratio or other specific terms of the stock consideration.

Several facts are not disclosed in the source material. The disclosed deal value is not stated anywhere in the facts block despite the breadth of filings cited. No further detail is given on the specific stock exchange ratio or other consideration mechanics beyond the "all-stock" characterization. The facts block also does not specify the date on which the deal closed, only that its status is now closed.