Company Update

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): March 25, 2020   OMNICOM GROUP INC. (Exact Name of Registrant as Specified in its Charter)     New York (State or other jurisdiction of incorporation) 1-10551 (Commission File Number) 13-1514814 (IRS Employer Identification No.)   437 Madison Avenue , New York , NY (Address of principal executive offices) 10022 (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 ( see General Instruction A.2. below): ¨ 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   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 8.01. Other Events. On March 25, 2020, Omnicom Group Inc. issued a press release announcing an update related to coronavirus disease 2019 (COVID-19). A copy of the press release is attached as Exhibit 99.1 and incorporated by reference herein. Item 9.01. Financial Statements and Exhibits. (d) Exhibits . Exhibit Number Description 99.1 Press release dated March 25, 2020.   104 The cover page from this Current Report on Form 8-K, formatted in Inline XBRL. 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.   By: /s/ Michael J. O’Brien     Name: Michael J. O’Brien     Title: Executive Vice President, General Counsel and Secretary   Date: March 25, 2020