Shareholder Vote

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549       FORM 8-K       CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934   Date of Report (Date of earliest event reported): May 6, 2025       OMNICOM GROUP INC. (Exact Name of Registrant as Specified in its Charter)       New York   1-10551   13-1514814 (State or other jurisdiction of incorporation)   (Commission File Number)   (IRS Employer Identification No.)   280 Park Avenue , New York , NY   10017 (Address of principal executive offices)   (Zip Code)   Registrant’s telephone number, including area code: ( 212 )  415-3600   Not Applicable (Former name or former address, if changed since last report)     Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:   ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)   ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)   ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))   ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))   Securities registered pursuant to Section 12(b) of the Act:   Title of each class   Trading Symbol   Name of each exchange on which registered Common Stock, par value $0.15 per share   OMC   New York Stock Exchange 0.800% Senior Notes due 2027   OMC/27   New York Stock Exchange 1.400% Senior Notes due 2031   OMC/31   New York Stock Exchange 3.700% Senior Notes due 2032   OMC/32   New York Stock Exchange 2.250% Senior Notes due 2033   OMC/33   New York Stock Exchange   Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).   Emerging growth company ☐   If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐           Item 5.07. Submission of Matters to a Vote of Security Holders.   (a) Omnicom Group Inc. (the “Company”) held its annual meeting of shareholders (the “Annual Meeting”) on May 6, 2025. At the Annual Meeting, the Company’s shareholders (i) elected 11 individuals to the Board of Directors of the Company (the “Board”), (ii) approved an advisory resolution to approve executive compensation, (iii) ratified the appointment of KPMG LLP as the Company’s independent auditors for the fiscal year ending December 31, 2025, and (iv) voted against a shareholder proposal regarding an independent Board chairman. The proposals are described in more detail in the Company’s definitive proxy statement on Schedule 14A filed with the Securities and Exchange Commission on March 27, 2025 (the “Proxy Statement”).   (b) Proposal 1   The Company’s shareholders elected 11 individuals to the Board as set forth below:   Name   Votes For     Votes Against     Abstentions     Broker Non-Votes   John D. Wren     154,859,470       10,733,487       587,893       13,287,195   Mary C. Choksi     154,605,518       11,442,755       132,577       13,287,195   Leonard S. Coleman, Jr.     143,083,686       22,969,352       127,812       13,287,195   Mark D. Gerstein     165,462,566       585,513       132,771       13,287,195   Ronnie S. Hawkins     162,931,835       3,121,025       127,990       13,287,195   Deborah J. Kissire     153,273,852       12,775,330       131,668       13,287,195   Gracia C. Martore     154,510,644       11,547,235       122,971       13,287,195   Patricia Salas Pineda     163,369,510       2,681,483       129,857       13,287,195   Linda Johnson Rice     147,115,973       18,938,475       126,402       13,287,195   Cassandra Santos     165,456,912       597,814       126,124       13,287,195   Valerie M. Williams     153,295,088       12,760,369       125,393       13,287,195     Proposal 2   The Company’s shareholders approved an advisory resolution on the compensation of the Company’s named executive officers as reported in the Proxy Statement.   Votes For     Votes Against     Abstentions     Broker Non-Votes     148,901,265       17,079,468       200,117       13,287,195     Proposal 3   The Company’s shareholders ratified the appointment of KPMG LLP as the Company’s independent auditors for the fiscal year ending December 31, 2025.   Votes For     Votes Against     Abstentions     166,894,902       12,411,279       161,864     Proposal 4   The Company’s shareholders voted against the shareholder proposal regarding an independent Board chairman as described in the Proxy Statement.   Votes For     Votes Against     Abstentions     Broker Non-Votes     46,852,570       119,091,578       236,702       13,287,195     1     SIGNATURES   Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.     Omnicom Group Inc.     Date: May 9, 2025             By: /s/ Louis F. Januzzi   Name: Louis F. Januzzi   Title: Senior Vice President, General Counsel and Secretary   2