AI Earnings Predictions for Omnicom Group Inc. (OMC)

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omc-20260428

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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): April 28, 2026

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 classTrading SymbolName of each exchange on which registered

Common Stock, par value $0.15 per shareOMCNew York Stock Exchange

0.800% Senior Notes due 2027OMC/27New York Stock Exchange

1.400% Senior Notes due 2031OMC/31New York Stock Exchange

3.700% Senior Notes due 2032OMC/32New York Stock Exchange

2.250% Senior Notes due 2033OMC/33New York Stock Exchange

3.850% Senior Notes due 2034OMC/34New 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 2.02. Results of Operations and Financial Condition.

On April 28, 2026, Omnicom Group Inc. ("Omnicom," the "Company," "we," "our" or "us") published an earnings release reporting its financial results for the three months ended March 31, 2026. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure.

On April 28, 2026, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three months ended March 31, 2026. A copy of the presentation is furnished as Exhibit 99.2 to this report and is incorporated by reference herein in its entirety.

The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K contain forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. In addition, from time to time, we or our representatives have made, or may make, forward-looking statements, orally or in writing. These statements, other than statements of historical fact, may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial condition, or otherwise, based on current beliefs of our management as well as assumptions made by, and information currently available to, our management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to v

omc-202602180000029989false00000299892026-02-182026-02-180000029989omc:CommonStock0.15ParValueMember2026-02-182026-02-180000029989omc:A0.800SeniorNotesDue2027Member2026-02-182026-02-180000029989omc:A1.400SeniorNotesDue2031Member2026-02-182026-02-180000029989omc:A3.700SeniorNotesDue2032Member2026-02-182026-02-180000029989omc:A2.250SeniorNotesDue2033Member2026-02-182026-02-18

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): February 18, 2026

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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 3.700% Senior Notes due 2032OMC/32New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On February 18, 2026, Omnicom Group Inc. ("Omnicom," the "Company," "we," "our" or "us") published an earnings release reporting its financial results for the three months and year ended December 31, 2025. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On February 18, 2026, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three months and year ended December 31, 2025. A copy of the presentation is furnished as Exhibit 99.2 to this report and is incorporated by reference herein in its entirety. On February 18, 2026, Omnicom issued a press release announcing that its Board of Directors approved a $5.0 billion share repurchase program and Omnicom entered into $2.5 billion of accelerated share repurchase arrangements. A copy of the press release is furnished as Exhibit 99.3 to this report and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1, 99.2 and 99.3 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K contains forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. In addition, from time to time, we or our representatives have made, or may make, forward-looking statements, orally or in writing. These statements, other than statements of historical fact, may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial condition, or otherwise, based on current beliefs of our management as well as assumptions made by, and information currently available to, our management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,”

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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): October 21, 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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 3.700% Senior Notes due 2032OMC/32New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On October 21, 2025, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and nine months ended September 30, 2025. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On October 21, 2025, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three and nine months ended September 30, 2025. A copy of the presentation is furnished as Exhibit 99.2 to this report and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K contain forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial condition, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could c

omc-202507150000029989false00000299892025-07-152025-07-150000029989omc:CommonStock0.15ParValueMember2025-07-152025-07-150000029989omc:A0.800SeniorNotesDue2027Member2025-07-152025-07-150000029989omc:A1.400SeniorNotesDue2031Member2025-07-152025-07-150000029989omc:A3.700SeniorNotesDue2032Member2025-07-152025-07-150000029989omc:A2.250SeniorNotesDue2033Member2025-07-152025-07-15

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): July 15, 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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 3.700% Senior Notes due 2032OMC/32New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On July 15, 2025, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and six months ended June 30, 2025. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On July 15, 2025, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three and six months ended June 30, 2025. A copy of the presentation is furnished as Exhibit 99.2 to this report and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K contain forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial condition, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could cause actual results t

omc-202504150000029989false00000299892025-04-152025-04-150000029989omc:CommonStock0.15ParValueMember2025-04-152025-04-150000029989omc:A0.800SeniorNotesDue2027Member2025-04-152025-04-150000029989omc:A1.400SeniorNotesDue2031Member2025-04-152025-04-150000029989omc:A3.700SeniorNotesDue2032Member2025-04-152025-04-150000029989omc:A2.250SeniorNotesDue2033Member2025-04-152025-04-15

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): April 15, 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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 3.700% Senior Notes due 2032OMC/32New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On April 15, 2025, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three months ended March 31, 2025. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On April 15, 2025, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three months ended March 31, 2025. A copy of the presentation is furnished as Exhibit 99.2 to this report and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K contain forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial condition, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could cause actual results to differ ma

omc-202502040000029989false00000299892025-02-042025-02-040000029989omc:CommonStock0.15ParValueMember2025-02-042025-02-040000029989omc:A0.800SeniorNotesDue2027Member2025-02-042025-02-040000029989omc:A1.400SeniorNotesDue2031Member2025-02-042025-02-040000029989omc:A3.700SeniorNotesDue2032Member2025-02-042025-02-040000029989omc:A2.250SeniorNotesDue2033Member2025-02-042025-02-04

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): February 4, 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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 3.700% Senior Notes due 2032OMC/32New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On February 4, 2025, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and twelve months ended December 31, 2024. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On February 4, 2025, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three and twelve months ended December 31, 2024. A copy of the presentation is furnished as Exhibit 99.2 to this report and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K contain forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial position, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could c

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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): October 15, 2024

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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 3.700% Senior Notes due 2032OMC/32New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On October 15, 2024, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and nine months ended September 30, 2024. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On October 15, 2024, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three and nine months ended September 30, 2024. A copy of the presentation is furnished as Exhibit 99.2 to this report and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K contain forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial position, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could cau

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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): July 16, 2024

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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 3.700% Senior Notes due 2032OMC/32New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On July 16, 2024, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and six months ended June 30, 2024. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On July 16, 2024, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three and six months ended June 30, 2024. A copy of the presentation is furnished as Exhibit 99.2 and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K contain forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial position, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could cause actual results to differ material

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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): April 16, 2024

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 (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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 3.700% Senior Notes due 2032OMC/32New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On April 16, 2024, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three months ended March 31, 2024. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On April 16, 2024, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three months ended March 31, 2024. A copy of the presentation is furnished as Exhibit 99.2 and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing. Additionally, the submission of the information set forth in this Item 7.01 is not deemed an admission as to the materiality of any information that is required to be disclosed solely by Regulation FD.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K contain forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial position, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking state

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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): February 6, 2024

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 (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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On February 6, 2024, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and twelve months ended December 31, 2023. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On February 6, 2024, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three and twelve months ended December 31, 2023. A copy of the presentation is furnished as Exhibit 99.2 and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing. Additionally, the submission of the information set forth in this Item 7.01 is not deemed an admission as to the materiality of any information that is required to be disclosed solely by Regulation FD.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K constitute contain forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial position, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many

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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): October 17, 2023

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 (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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On October 17, 2023, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and nine months ended September 30, 2023. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On October 17, 2023, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three and nine months ended September 30, 2023. A copy of the presentation is furnished as Exhibit 99.2 and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing. Additionally, the submission of the information set forth in this Item 7.01 is not deemed an admission as to the materiality of any information that is required to be disclosed solely by Regulation FD.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K constitute forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial position, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which a

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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): July 18, 2023

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 (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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On July 18, 2023, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and six months ended June 30, 2023. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On July 18, 2023, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three and six months ended June 30, 2023. A copy of the presentation is furnished as Exhibit 99.2 and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing. Additionally, the submission of the information set forth in this Item 7.01 is not deemed an admission as to the materiality of any information that is required to be disclosed solely by Regulation FD.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K constitute forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial position, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Compan

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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): April 18, 2023

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 (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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On April 18, 2023, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three months ended March 31, 2023. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On April 18, 2023, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three months ended March 31, 2023. A copy of the presentation is furnished as Exhibit 99.2 and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing. Additionally, the submission of the information set forth in this Item 7.01 is not deemed an admission as to the materiality of any information that is required to be disclosed solely by Regulation FD.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K constitute forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial position, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control

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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): February 7, 2023

`

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 (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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On February 7, 2023, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and twelve months ended December 31, 2022. A copy of the earnings release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein in its entirety.

Item 7.01. Regulation FD Disclosure. On February 7, 2023, Omnicom hosted an earnings call and posted on its website a related investor presentation in connection with publishing its financial results for the three and twelve months ended December 31, 2022. A copy of the presentation is furnished as Exhibit 99.2 and is incorporated by reference herein in its entirety. The information under Items 2.02 and 7.01 above (including Exhibits 99.1 and 99.2 hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing. Additionally, the submission of the information set forth in this Item 7.01 is not deemed an admission as to the materiality of any information that is required to be disclosed solely by Regulation FD.

Forward-Looking Statements.

Certain statements in the exhibits to this Current Report on Form 8-K constitute forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial position, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of wh

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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): October 18, 2022

`

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 (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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On October 18, 2022, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and nine months ended September 30, 2022. A copy of the earnings release is attached as Exhibit 99.1 hereto and is incorporated by reference herein. Following the publication of the earnings release, Omnicom hosted an earnings call in which its financial results were discussed. The investor presentation materials used for the call are attached as Exhibit 99.2 hereto and are incorporated by reference herein. On October 18, 2022, Omnicom posted the materials attached as Exhibits 99.1 and 99.2 on its website (www.omnicomgroup.com). Certain statements in the exhibits to this Current Report on Form 8-K constitute forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial position, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could cause actual results to differ materially from those in the forward-looking statements include: adverse economic conditions, including those caused by the the war in Ukraine; the impact of the COVID-19 pandemic; severe and sustained inflation in countries that comprise our major markets; rising interest rates; supply chain issues affecting the distribution of our clients’ products; international, national or local economic conditions that could adversely affect the Company or its clients; losses on media purchases and production costs incurred on behalf of clients;

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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): July 19, 2022

`

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 (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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On July 19, 2022, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and six months ended June 30, 2022. A copy of the earnings release is attached as Exhibit 99.1 hereto and is incorporated by reference herein. Following the publication of the earnings release, Omnicom hosted an earnings call in which its financial results were discussed. The investor presentation materials used for the call are attached as Exhibit 99.2 hereto and are incorporated by reference herein. On July 19, 2022, Omnicom posted the materials attached as Exhibits 99.1 and 99.2 on its website (www.omnicomgroup.com). Certain statements in the exhibits to this Current Report on Form 8-K constitute forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial position, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could cause actual results to differ materially from those in the forward-looking statements include: the impact of the war in Ukraine; adverse economic conditions, including those caused by the impact of the COVID-19 pandemic, severe and sustained inflation in countries that comprise our major markets, supply chain issues affecting the distribution of our clients’ products; international, national or local economic conditions that could adversely affect the Company or its clients; losses on media purchases and production costs incurred on behalf of clients; reductions in client spendi

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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): April 19, 2022

`

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 (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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On April 19, 2022, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three months ended March 31, 2022. A copy of the earnings release is attached as Exhibit 99.1 hereto and is incorporated by reference herein. Following the publication of the earnings release, Omnicom hosted an earnings call in which its financial results were discussed. The investor presentation materials used for the call are attached as Exhibit 99.2 hereto and are incorporated by reference herein. On April 19, 2022, Omnicom posted the materials attached as Exhibits 99.1 and 99.2 on its website (www.omnicomgroup.com). Certain statements in the exhibits to this Current Report on Form 8-K constitute forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial position or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could cause actual results to differ materially from those in the forward-looking statements include: adverse economic conditions, including those caused by the impact of the war in Ukraine and the COVID-19 pandemic, severe and sustained inflation in countries that comprise our major markets, supply chain issues affecting the distribution of our clients’ products; international, national or local economic conditions that could adversely affect the Company or its clients; losses on media purchases and production costs incurred on behalf of clients; reductions in client spending, a slowdown i

omc-202202080000029989false00000299892022-02-082022-02-080000029989omc:CommonStock0.15ParValueMember2022-02-082022-02-080000029989omc:A0800SeniorNotesDueJuly82027Member2022-02-082022-02-080000029989omc:A1.400SeniorNotesdueJuly82031Member2022-02-082022-02-080000029989omc:A2250SeniorNotesDueNovember222033Member2022-02-082022-02-08

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): February 8, 2022

`

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 (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 classTrading SymbolName of each exchange on which registered Common Stock, par value $0.15 per shareOMCNew York Stock Exchange 0.800% Senior Notes due 2027OMC/27New York Stock Exchange 1.400% Senior Notes due 2031OMC/31New York Stock Exchange 2.250% Senior Notes due 2033OMC/33New 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 2.02. Results of Operations and Financial Condition. On February 8, 2022, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and twelve months ended December 31, 2021. A copy of the earnings release is attached as Exhibit 99.1 hereto and is incorporated by reference herein. Following the publication of the earnings release, Omnicom hosted an earnings call in which its financial results were discussed. The investor presentation materials used for the call are attached as Exhibit 99.2 hereto and are incorporated by reference herein. On February 8, 2022, Omnicom posted the materials attached as Exhibits 99.1 and 99.2 on its website (www.omnicomgroup.com). Certain statements in the exhibits to this Current Report on Form 8-K constitute forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial condition, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could cause actual results to differ materially from those in the forward-looking statements include: adverse economic conditions, including those caused by the impact of the COVID-19 pandemic, severe and sustained inflation in countries that comprise our major markets, supply chain issues affecting the distribution of our clients’ products; international, national or local economic conditions that could adversely affect the Company or its clients; losses on media purchases and production costs incurred on behalf of clients; reductions in client spending, a slowdown in client paymen

OMNICOM GROUP INC.

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2021-10-19 2021-10-19

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): October 19, 2021

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 (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 2.02. Results of Operations and Financial Condition.

On October 19, 2021, Omnicom Group Inc. (“Omnicom” or the “Company”) published an earnings release reporting its financial results for the three and nine months ended September 30, 2021. A copy of the earnings release is attached as Exhibit 99.1 hereto and is incorporated by reference herein. Following the publication of the earnings release, Omnicom hosted an earnings call in which its financial results were discussed. The investor presentation materials used for the call are attached as Exhibit 99.2 hereto and are incorporated by reference herein.

On October 19, 2021, Omnicom posted the materials attached as Exhibits 99.1 and 99.2 on its website (www.omnicomgroup.com).

Certain statements in the exhibits to this Current Report on Form 8-K constitute forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial condition, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could cause actual results to differ materially from those in the forward-looking statements include: international, national or local economic conditions that could adversely affect the Company or its clients, including those caused by the outbreak of COVID-19; losses on media purchases and production costs incurred on behalf of clients; reductions in client spending, a slowdown in client payments and a deterioration in the credit markets; the ability to attract new clients and retain existing clients in the manner anticipated; changes in client advertising, marketing and corporate communications requirements; failure to manage potential conflic