# EDGAR Filing Document

**Accession Number:** 0000051644
**File Stem:** 0001193125-25-311425
**Filing Date:** 2025-12
**Character Count:** 4205
**Document Hash:** c4e469bd8bdf4b8daba362918a3dbff9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-311425.hdr.sgml**: 20251208

**ACCESSION NUMBER**: 0001193125-25-311425

**CONFORMED SUBMISSION TYPE**: 15-12G

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251208

**DATE AS OF CHANGE**: 20251208

**EFFECTIVENESS DATE**: 20251208

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** INTERPUBLIC GROUP OF COMPANIES, INC.
- **CENTRAL INDEX KEY:** 0000051644
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-ADVERTISING AGENCIES [7311]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 131024020
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 15-12G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-06686
- **FILM NUMBER:** 251556948

**BUSINESS ADDRESS:**
- **STREET 1:** 909 THIRD AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-704-1200

**MAIL ADDRESS:**
- **STREET 1:** 909 THIRD AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** INTERPUBLIC GROUP OF COMPANIES INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MCCANN ERICKSON INC
- **DATE OF NAME CHANGE:** 19710715

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**FORM 15** 

**CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION** 

**UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934** 

**OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)** 

**OF THE SECURITIES EXCHANGE ACT OF 1934** 

**Commission File Number: 1-6686** 

## THE INTERPUBLIC GROUP OF COMPANIES, INC.\*
**(Exact name of registrant as specified in its charter)** 

**909 Third Avenue** 

**New York, NY 10022** 

**(212) 704-1200** 

**(Address, including zip code, and telephone number, including area code, of registrant's principal executive offices)** 

**Common Stock, par value $0.10 per share** 

**4.650% Senior Notes due 2028** 

**4.750% Senior Notes due 2030** 

**2.400% Senior Notes due 2031** 

**5.375% Senior Notes due 2033** 

**3.375% Senior Notes due 2041** 

**5.400% Senior Notes due 2048** 

**(Title of each class of securities covered by this Form)** 

**None** 

**(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)** 

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:

---

| | |
|:---|:---|
|  Rule 12g-4(a)(1) | ☒ |
|  Rule 12g-4(a)(2) | ☐ |
|  Rule 12h-3(b)(1)(i) | ☒ |
|  Rule 12h-3(b)(1)(ii) | ☐ |
|  Rule 15d-6 | ☐ |
|  Rule 15d-22(b) | ☐ |

---

Approximate number of holders of record as of the certification or notice date:

Common Stock, par value $0.10 per share: One (1) holder

4.650% Senior Notes due 2028: Thirty-nine (39) holders

4.750% Senior Notes due 2030: Twenty-six (26) holders

2.400% Senior Notes due 2031: Twenty-two (22) holders

5.375% Senior Notes due 2033: Twenty-two (22) holders

3.375% Senior Notes due 2041: Twelve (12) holders

5.400% Senior Notes due 2048: Twenty-three (23) holders

Pursuant to the requirements of the Securities Exchange Act of 1934, The Interpublic Group of Companies, Inc. has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.

---

| | | |
|:---|:---|:---|
| Date: December 8, 2025 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | THE INTERPUBLIC GROUP OF COMPANIES, INC. |
|  | By: | /s/ Andrew Bonzani |
|  | Name: | Andrew Bonzani |
|  | Title: | Executive Vice President and General Counsel |

---

\* On December 8, 2024, The Interpublic Group of Companies, Inc., a Delaware corporation ("IPG"), entered into an Agreement and Plan of Merger (the "Merger Agreement") with Omnicom Group Inc., a New York corporation ("Omnicom") and EXT Subsidiary Inc., a Delaware corporation and a direct wholly owned subsidiary of Omnicom ("Merger Sub"). On November 26, 2025, pursuant to the terms and conditions of the Merger Agreement, Merger Sub merged with and into IPG (the "Merger"), with IPG surviving the Merger as a direct wholly owned subsidiary of Omnicom.